Potassium thiocyanate argentates: K₃[Ag(SCN)₄], K₄[Ag₂(SCN)₆] and K[Ag(SCN)₂]

The anions of the title compounds contain [Ag(SCN)₄] units, with the S atoms coordinating to Ag⁺ in a tetrahedral arrangement. Whereas in the isolated anions of tripotassium tetra­thio­cyanatoargentate(I), K₃[Ag(SCN)₄], (I), all SCN⁻ groups are bonded as terminal ligands, in tetrapotassium di-μ-thio­cyanato-S:S-bis­[dithio­cyanato­argentate(I)], K₄[Ag₂(SCN)₆], (II), two AgS₄ tetrahedra share one common edge. In poly[potassium [argentate(I)-di-μ-thio­cyanato-S:S]], K[Ag(SCN)₂], (III), edge- and vertex-sharing of AgS₄ tetrahedra results in infinite [Ag(SCN)₂]⁻ layers.

S1. Comment

The compounds K[Ag(SCN)₂] and K₂[Ag(SCN)₃] are reported to form stable phases in the system AgSCN/KSCN/H₂O, whereas K₃[Ag(SCN)₄] is metastable and decomposes in saturated solution into K_2[Ag(SCN)₃] and KSCN (Merriam, 1902; Foote, 1903; Occleshaw, 1932). Although these compounds were known at the beginning of the last century, only the unit-cell parameters of K[Ag(SCN)₂] have been reported to date (Chateau et al., 1962). We isolated the title compounds, K₃[Ag(SCN)₄], (I), K₄[Ag₂(SCN)₆], (II), and K[Ag(SCN)₂], (III), during the optimization of the synthesis of heteronuclear thiocyanato complexes (Krautscheid et al., 1998; Krautscheid & Gerber, 1999) and report their crystal structures herein. \sch

All three complexes contain Ag⁺ in a distorted tetrahedral environment of four S atoms from the SCN^- ligands. Whereas the tetrathiocyanatoargentate anions in (I) are mononuclear, the binuclear anions in (II) can be regarded as two [Ag(SCN)₄] units sharing two common SCN^- ligands. The asymmetric unit of (II) contains a half of each of two crystallographically independent centrosymmetric [Ag₂(SCN)₆]^4- anions, which differ in the orientation of two terminal SCN^- ligands.

In (III), such [Ag₂(SCN)₆] units are linked by common SCN^- groups to form a two-dimensional polymeric network perpendicular to [100]. The existence of two different SCN^- ligands coordinating to Ag⁺ through the S atoms - 1,1-µ₂ bridging in the [Ag₂(SCN)₂] ring and between these rings - is in accordance with vibrational spectroscopic investigations, in which doublet splitting of the ν₁ bands (2086 and 2099 cm^-1) was observed (Tramer, 1962).

In contrast with (III), the SCN^- anions in (NH₄)[Ag(SCN)₂] can be described as terminal S-coordinating and 1,1,1-µ₃-bridging, respectively, also leading to a two-dimensional polymeric structure and distorted tetrahedral coordination of the Ag⁺ cations (Lindqvist & Strandberg, 1957; Hall et al., 1983). In the crystal structure of Cs₂[Ag(SCN)₃], dinuclear [Ag₂(SCN)₆]^4- anions similar to those in (II) are found, whereas [Ag(SCN)₄] tetrahedra are connected by common vertices to polymeric [Ag(SCN)₂(µ₂-SCN)_2/2]^2- anions in Rb₂[Ag(SCN)₃] (Thiele & Kehr, 1984).

As expected, Ag—S bond lengths in compounds (I), (II) and (III) are longer for bridging SCN^- ligands than for terminal ligands and increase with the negative charge of the thiocyanato argentate anions. Average Ag—S bond lengths are 2.586 (1) Å in (I) and 2.558 (1) Å in (II) for terminal ligands, and 2.691 (1) Å in (II) and 2.620 (1) Å in (III) for 1,1-µ₂-bridging SCN^-. Query s.u.s. The Ag—S—Ag angle for S1 in (III) connecting two Ag₂S₂ rings [111.30 (2)°] is significantly higher than the values for the bridging ligands in the Ag₂S₂ rings of (II) and (III) [83.69 (3)–87.30 (2)°].

In (I), (II) and (III), all K⁺ ions are surrounded by seven N and S atoms, in distance ranges of 2.732 (4)–3.194 (2) Å (K···N) and 3.230 (1)–3.628 (2) Å (K···S), respectively. Query range limits for K···N - values in original Comment don't match those in CIF tables. The only exception is K3 in compound (I), with two neighbouring N and six S atoms.

S2. Experimental

Crystals of (I) and (III) were grown by condensation of methanol into a concentrated aqueous solution of AgSCN and KSCN in molar ratios of 1:4.5 and 1:2, respectively. Crystals of (II) could be obtained in low yield as a side product during crystallization of (III).

Computing details

Data collection: STADI4 (Stoe & Cie, 1996) for (I), (III); IPDS (Stoe & Cie, 1995) for (II). Cell refinement: STADI4 for (I), (III); IPDS for (II). Data reduction: X-RED (Stoe & Cie, 1996) for (I), (III); IPDS and X-RED (Stoe & Cie, 1996) for (II). For all compounds, program(s) used to solve structure: SHELXS97 (Sheldrick, 1990); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: DIAMOND (Brandenburg, 1998).

Figures

	Fig. 1. The structure of the [Ag(SCN)4]^3- anion in (I) with 70% probability displacement ellipsoids.
	Fig. 2. The structure of the two crystallographically independent [Ag2(SCN)6]^4- anions in (II) with 70% probability displacement ellipsoids [symmetry codes: (i) 1 - x, 1 - y, 1 - z; (ii) 1 - x, 1 - y, -z]. Query symops.
	Fig. 3. Fragment of the two-dimensional polymeric structure of the [Ag(SCN)2]^- anion in (III) with 70% probability displacement ellipsoids [symmetry codes: (ii) 1 - x, 1 - y, -z; (iii) x, 1/2 - y, z - 1/2]. Query symops.

(I) Tripotassium tetrathiocyanatosilver(I)

Crystal data

K3[Ag(SCN)4]	F(000) = 880
Mr = 457.49	Dx = 2.180 Mg m^−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71069 Å
a = 14.343 (2) Å	Cell parameters from 27 reflections
b = 12.778 (3) Å	θ = 5–10°
c = 7.798 (2) Å	µ = 2.92 mm^−1
β = 102.772 (18)°	T = 293 K
V = 1393.7 (6) Å^3	Prism, colourless
Z = 4	0.33 × 0.15 × 0.12 mm

Data collection

Stoe STADI4 diffractometer	1944 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.033
Graphite monochromator	θmax = 25.0°, θmin = 2.2°
ω scans	h = −17→17
Absorption correction: numerical (X-RED; Stoe & Cie, 1996)	k = −15→15
Tmin = 0.604, Tmax = 0.688	l = −9→5
7208 measured reflections	3 standard reflections every 120 min
2446 independent reflections	intensity decay: 2%

Refinement

Refinement on F^2	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F^2 > 2σ(F^2)] = 0.027	w = 1/[σ^2(Fo^2) + (0.0255P)^2 + 0.1891P] where P = (Fo^2 + 2Fc^2)/3
wR(F^2) = 0.059	(Δ/σ)max < 0.001
S = 1.10	Δρmax = 0.58 e Å^−3
2446 reflections	Δρmin = −0.50 e Å^−3
146 parameters	Extinction correction: SHELXL97 (Sheldrick, 1997), Fc^*=kFc[1+0.001xFc^2λ^3/sin(2θ)]^-1/4
0 restraints	Extinction coefficient: 0.0073 (3)

Special details

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F² against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F², conventional R-factors R are based on F, with F set to zero for negative F². The threshold expression of F² > σ(F²) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F² are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Ų)

	x	y	z	Uiso*/Ueq
K1	0.52147 (6)	0.25639 (6)	0.08867 (11)	0.0394 (2)
K2	0.29970 (6)	0.99135 (6)	0.65026 (13)	0.0455 (2)
K3	0.02629 (6)	0.25232 (6)	0.53450 (11)	0.0405 (2)
Ag1	0.22135 (2)	0.48664 (2)	0.63152 (4)	0.04209 (12)
S1	0.22156 (6)	0.32755 (7)	0.83529 (13)	0.0358 (2)
S2	0.12731 (6)	0.42869 (7)	0.32255 (13)	0.0340 (2)
S3	0.38787 (6)	0.55557 (7)	0.61685 (14)	0.0399 (3)
S4	0.14461 (7)	0.63293 (7)	0.78579 (15)	0.0420 (3)
C1	0.3110 (2)	0.2535 (3)	0.8050 (5)	0.0327 (8)
C2	0.0572 (2)	0.5316 (3)	0.2637 (5)	0.0316 (8)
C3	0.4604 (2)	0.4718 (3)	0.7415 (5)	0.0311 (8)
C4	0.2240 (2)	0.7273 (3)	0.7866 (5)	0.0355 (9)
N1	0.3722 (2)	0.1994 (2)	0.7845 (5)	0.0436 (8)
N2	0.0086 (2)	0.6026 (3)	0.2217 (5)	0.0492 (9)
N3	0.5123 (2)	0.4143 (2)	0.8290 (4)	0.0406 (8)
N4	0.2795 (2)	0.7923 (3)	0.7881 (5)	0.0553 (10)

Atomic displacement parameters (Ų)

	U^11	U^22	U^33	U^12	U^13	U^23
K1	0.0431 (5)	0.0421 (5)	0.0316 (5)	0.0007 (4)	0.0053 (4)	0.0056 (4)
K2	0.0423 (5)	0.0350 (5)	0.0596 (6)	0.0058 (4)	0.0122 (4)	0.0046 (4)
K3	0.0529 (5)	0.0379 (4)	0.0296 (5)	−0.0038 (4)	0.0068 (4)	−0.0008 (4)
Ag1	0.03926 (18)	0.03603 (17)	0.0483 (2)	−0.00027 (12)	0.00383 (14)	0.00173 (14)
S1	0.0380 (5)	0.0295 (4)	0.0396 (6)	0.0011 (4)	0.0078 (4)	0.0029 (4)
S2	0.0332 (5)	0.0262 (4)	0.0402 (6)	0.0027 (4)	0.0033 (4)	−0.0008 (4)
S3	0.0301 (5)	0.0347 (5)	0.0520 (7)	−0.0022 (4)	0.0029 (5)	0.0078 (5)
S4	0.0333 (5)	0.0343 (5)	0.0600 (7)	−0.0020 (4)	0.0140 (5)	−0.0056 (5)
C1	0.0318 (19)	0.0291 (18)	0.034 (2)	−0.0057 (15)	0.0006 (16)	0.0051 (16)
C2	0.0344 (19)	0.0296 (18)	0.030 (2)	−0.0017 (16)	0.0062 (17)	−0.0019 (16)
C3	0.0323 (18)	0.0282 (17)	0.034 (2)	−0.0058 (15)	0.0101 (17)	−0.0072 (17)
C4	0.0322 (19)	0.0297 (18)	0.041 (2)	0.0034 (16)	0.0008 (17)	−0.0043 (17)
N1	0.0373 (18)	0.0379 (18)	0.052 (2)	0.0003 (15)	0.0028 (16)	−0.0020 (16)
N2	0.056 (2)	0.0412 (19)	0.050 (2)	0.0131 (17)	0.0111 (18)	0.0044 (18)
N3	0.0403 (17)	0.0377 (17)	0.045 (2)	0.0027 (15)	0.0119 (16)	0.0037 (16)
N4	0.048 (2)	0.0383 (19)	0.077 (3)	−0.0072 (16)	0.006 (2)	0.0024 (19)

Geometric parameters (Å, º)

K1—N3^i	2.841 (3)	Ag1—S1	2.5798 (11)
K1—N4^ii	2.872 (4)	Ag1—S2	2.5953 (12)
K1—N3^iii	2.897 (3)	Ag1—S4	2.5958 (11)
K1—N1^i	2.915 (3)	Ag1—K2^viii	3.9616 (16)
K1—N1^iii	2.946 (3)	Ag1—K2^ix	4.1580 (15)
K1—C1^i	3.325 (4)	S1—C1	1.653 (4)
K1—C3^iii	3.339 (4)	S1—K2^viii	3.3803 (15)
K1—S3^ii	3.3789 (14)	S1—K3^v	3.6362 (14)
K1—S3^iv	3.4300 (14)	S2—C2	1.657 (4)
K1—K1^iii	3.9023 (11)	S2—K2^ix	3.2297 (14)
K1—K1^v	3.9023 (11)	S2—K3^iii	3.3249 (14)
K1—K2^ii	4.2937 (14)	S3—C3	1.651 (4)
K2—N4	2.801 (4)	S3—K1^ii	3.3789 (14)
K2—N3^vi	2.842 (3)	S3—K1^x	3.4300 (14)
K2—N1^vii	2.961 (3)	S3—K2^ix	3.6280 (18)
K2—S2^viii	3.2297 (14)	S4—C4	1.657 (4)
K2—C3^vi	3.365 (3)	S4—K3^xii	3.4189 (15)
K2—S1^ix	3.3803 (15)	S4—K3^xiv	3.4377 (14)
K2—S4^ix	3.5710 (16)	S4—K2^viii	3.5710 (16)
K2—S3^viii	3.6280 (18)	C1—N1	1.154 (4)
K2—Ag1^ix	3.9616 (16)	C1—K1^xv	3.325 (4)
K2—Ag1^viii	4.1580 (15)	C2—N2	1.147 (4)
K2—K1^ii	4.2937 (14)	C2—K3^xii	3.517 (4)
K2—K1^x	4.6017 (14)	C3—N3	1.155 (4)
K3—N2^xi	2.732 (4)	C3—K1^v	3.339 (4)
K3—N2^xii	2.779 (4)	C3—K2^xvi	3.365 (3)
K3—S2	3.3119 (13)	C4—N4	1.148 (4)
K3—S2^v	3.3249 (14)	N1—K1^xv	2.915 (3)
K3—S1	3.3712 (15)	N1—K1^v	2.946 (3)
K3—S4^xii	3.4189 (15)	N1—K2^xvii	2.961 (3)
K3—S4^xiii	3.4377 (14)	N2—K3^xviii	2.732 (4)
K3—C2^xii	3.517 (4)	N2—K3^xii	2.779 (4)
K3—S1^iii	3.6362 (14)	N3—K1^xv	2.841 (3)
K3—K3^iii	3.8994 (11)	N3—K2^xvi	2.842 (3)
K3—K3^v	3.8994 (12)	N3—K1^v	2.897 (3)
K3—Ag1	4.0532 (11)	N4—K1^ii	2.872 (4)
Ag1—S3	2.5717 (10)
N3^i—K1—N4^ii	106.17 (10)	S2^v—K3—S4^xii	157.94 (4)
N3^i—K1—N3^iii	173.74 (12)	S1—K3—S4^xii	137.49 (4)
N4^ii—K1—N3^iii	78.72 (10)	N2^xi—K3—S4^xiii	87.46 (8)
N3^i—K1—N1^i	71.78 (9)	N2^xii—K3—S4^xiii	76.41 (8)
N4^ii—K1—N1^i	135.68 (11)	S2—K3—S4^xiii	159.30 (4)
N3^iii—K1—N1^i	102.01 (10)	S2^v—K3—S4^xiii	70.09 (3)
N3^i—K1—N1^iii	107.99 (9)	S1—K3—S4^xiii	113.61 (4)
N4^ii—K1—N1^iii	130.59 (11)	S4^xii—K3—S4^xiii	91.57 (4)
N3^iii—K1—N1^iii	70.54 (9)	N2^xi—K3—C2^xii	148.43 (10)
N1^i—K1—N1^iii	88.97 (9)	N2^xii—K3—C2^xii	16.14 (9)
N3^i—K1—C1^i	68.99 (9)	S2—K3—C2^xii	85.35 (6)
N4^ii—K1—C1^i	155.41 (11)	S2^v—K3—C2^xii	112.61 (7)
N3^iii—K1—C1^i	104.92 (9)	S1—K3—C2^xii	77.14 (6)
N1^i—K1—C1^i	19.96 (8)	S4^xii—K3—C2^xii	74.35 (6)
N1^iii—K1—C1^i	71.94 (10)	S4^xiii—K3—C2^xii	79.75 (6)
N3^i—K1—C3^iii	154.17 (10)	N2^xi—K3—S1^iii	61.61 (8)
N4^ii—K1—C3^iii	90.63 (9)	N2^xii—K3—S1^iii	138.72 (8)
N3^iii—K1—C3^iii	19.75 (8)	S2—K3—S1^iii	60.96 (3)
N1^i—K1—C3^iii	82.48 (9)	S2^v—K3—S1^iii	80.30 (3)
N1^iii—K1—C3^iii	72.80 (9)	S1—K3—S1^iii	77.14 (3)
C1^i—K1—C3^iii	87.52 (9)	S4^xii—K3—S1^iii	107.69 (4)
N3^i—K1—S3^ii	85.97 (7)	S4^xiii—K3—S1^iii	137.35 (3)
N4^ii—K1—S3^ii	73.85 (8)	C2^xii—K3—S1^iii	141.46 (6)
N3^iii—K1—S3^ii	99.29 (8)	N2^xi—K3—K3^iii	45.44 (7)
N1^i—K1—S3^ii	146.48 (7)	N2^xii—K3—K3^iii	137.22 (8)
N1^iii—K1—S3^ii	74.11 (7)	S2—K3—K3^iii	54.17 (3)
C1^i—K1—S3^ii	128.07 (7)	S2^v—K3—K3^iii	124.65 (4)
C3^iii—K1—S3^ii	118.05 (7)	S1—K3—K3^iii	121.09 (3)
N3^i—K1—S3^iv	99.26 (7)	S4^xii—K3—K3^iii	55.57 (3)
N4^ii—K1—S3^iv	62.80 (8)	S4^xiii—K3—K3^iii	123.95 (3)
N3^iii—K1—S3^iv	79.35 (7)	C2^xii—K3—K3^iii	122.32 (7)
N1^i—K1—S3^iv	73.69 (7)	S1^iii—K3—K3^iii	53.01 (3)
N1^iii—K1—S3^iv	141.20 (7)	N2^xi—K3—K3^v	132.87 (8)
C1^i—K1—S3^iv	93.60 (7)	N2^xii—K3—K3^v	44.47 (7)
C3^iii—K1—S3^iv	70.72 (7)	S2—K3—K3^v	127.30 (4)
S3^ii—K1—S3^iv	136.13 (4)	S2^v—K3—K3^v	53.86 (3)
N3^i—K1—K1^iii	47.76 (7)	S1—K3—K3^v	59.49 (3)
N4^ii—K1—K1^iii	96.07 (9)	S4^xii—K3—K3^v	125.34 (3)
N3^iii—K1—K1^iii	128.66 (8)	S4^xiii—K3—K3^v	55.11 (3)
N1^i—K1—K1^iii	48.61 (7)	C2^xii—K3—K3^v	59.28 (6)
N1^iii—K1—K1^iii	133.34 (7)	S1^iii—K3—K3^v	126.38 (3)
C1^i—K1—K1^iii	62.30 (7)	K3^iii—K3—K3^v	178.26 (5)
C3^iii—K1—K1^iii	112.21 (7)	N2^xi—K3—Ag1	131.38 (8)
S3^ii—K1—K1^iii	128.59 (4)	N2^xii—K3—Ag1	66.45 (8)
S3^iv—K1—K1^iii	54.42 (3)	S2—K3—Ag1	39.68 (2)
N3^i—K1—K1^v	137.03 (8)	S2^v—K3—Ag1	102.01 (3)
N4^ii—K1—K1^v	82.88 (9)	S1—K3—Ag1	39.33 (2)
N3^iii—K1—K1^v	46.54 (7)	S4^xii—K3—Ag1	99.98 (3)
N1^i—K1—K1^v	129.82 (7)	S4^xiii—K3—Ag1	140.96 (3)
N1^iii—K1—K1^v	47.91 (7)	C2^xii—K3—Ag1	68.02 (6)
C1^i—K1—K1^v	117.64 (7)	S1^iii—K3—Ag1	73.86 (2)
C3^iii—K1—K1^v	63.19 (7)	K3^iii—K3—Ag1	92.59 (3)
S3^ii—K1—K1^v	55.65 (3)	K3^v—K3—Ag1	88.69 (2)
S3^iv—K1—K1^v	121.28 (4)	S3—Ag1—S1	115.00 (3)
K1^iii—K1—K1^v	175.20 (5)	S3—Ag1—S2	110.71 (4)
N3^i—K1—K2^ii	142.21 (7)	S1—Ag1—S2	106.06 (4)
N4^ii—K1—K2^ii	40.20 (7)	S3—Ag1—S4	105.49 (3)
N3^iii—K1—K2^ii	41.08 (6)	S1—Ag1—S4	102.99 (4)
N1^i—K1—K2^ii	117.14 (7)	S2—Ag1—S4	116.68 (3)
N1^iii—K1—K2^ii	108.78 (7)	S3—Ag1—K2^viii	87.97 (3)
C1^i—K1—K2^ii	131.80 (6)	S1—Ag1—K2^viii	57.70 (3)
C3^iii—K1—K2^ii	50.45 (6)	S2—Ag1—K2^viii	160.06 (3)
S3^ii—K1—K2^ii	95.87 (3)	S4—Ag1—K2^viii	61.92 (3)
S3^iv—K1—K2^ii	54.66 (3)	S3—Ag1—K3	148.67 (3)
K1^iii—K1—K2^ii	108.11 (3)	S1—Ag1—K3	55.92 (3)
K1^v—K1—K2^ii	68.12 (3)	S2—Ag1—K3	54.57 (3)
N4—K2—N3^vi	80.84 (10)	S4—Ag1—K3	105.82 (3)
N4—K2—N1^vii	137.56 (11)	K2^viii—Ag1—K3	105.74 (2)
N3^vi—K2—N1^vii	92.10 (9)	S3—Ag1—K2^ix	59.85 (3)
N4—K2—S2^viii	88.51 (8)	S1—Ag1—K2^ix	130.20 (3)
N3^vi—K2—S2^viii	152.88 (8)	S2—Ag1—K2^ix	50.96 (3)
N1^vii—K2—S2^viii	79.05 (7)	S4—Ag1—K2^ix	126.61 (3)
N4—K2—C3^vi	91.32 (9)	K2^viii—Ag1—K2^ix	147.62 (3)
N3^vi—K2—C3^vi	19.16 (8)	K3—Ag1—K2^ix	101.22 (2)
N1^vii—K2—C3^vi	73.66 (9)	C1—S1—Ag1	104.97 (13)
S2^viii—K2—C3^vi	138.88 (7)	C1—S1—K3	106.80 (13)
N4—K2—S1^ix	148.71 (8)	Ag1—S1—K3	84.75 (3)
N3^vi—K2—S1^ix	115.89 (7)	C1—S1—K2^viii	110.66 (13)
N1^vii—K2—S1^ix	71.10 (7)	Ag1—S1—K2^viii	82.13 (4)
S2^viii—K2—S1^ix	85.66 (3)	K3—S1—K2^viii	142.35 (4)
C3^vi—K2—S1^ix	112.92 (6)	C1—S1—K3^v	126.58 (12)
N4—K2—S4^ix	78.60 (8)	Ag1—S1—K3^v	126.03 (3)
N3^vi—K2—S4^ix	107.91 (7)	K3—S1—K3^v	67.50 (3)
N1^vii—K2—S4^ix	142.09 (7)	K2^viii—S1—K3^v	92.56 (3)
S2^viii—K2—S4^ix	94.15 (3)	C2—S2—Ag1	100.95 (13)
C3^vi—K2—S4^ix	126.08 (7)	C2—S2—K2^ix	96.15 (13)
S1^ix—K2—S4^ix	71.22 (3)	Ag1—S2—K2^ix	90.42 (4)
N4—K2—S3^viii	60.52 (8)	C2—S2—K3	111.88 (13)
N3^vi—K2—S3^viii	76.68 (7)	Ag1—S2—K3	85.74 (3)
N1^vii—K2—S3^viii	77.09 (7)	K2^ix—S2—K3	151.94 (4)
S2^viii—K2—S3^viii	76.37 (3)	C2—S2—K3^iii	102.57 (13)
C3^vi—K2—S3^viii	68.03 (7)	Ag1—S2—K3^iii	152.26 (4)
S1^ix—K2—S3^viii	145.88 (4)	K2^ix—S2—K3^iii	101.44 (4)
S4^ix—K2—S3^viii	137.94 (4)	K3—S2—K3^iii	71.96 (3)
N4—K2—Ag1^ix	115.22 (9)	C3—S3—Ag1	102.86 (12)
N3^vi—K2—Ag1^ix	97.71 (7)	C3—S3—K1^ii	87.89 (12)
N1^vii—K2—Ag1^ix	107.18 (7)	Ag1—S3—K1^ii	115.78 (4)
S2^viii—K2—Ag1^ix	109.38 (3)	C3—S3—K1^x	120.35 (12)
C3^vi—K2—Ag1^ix	107.75 (7)	Ag1—S3—K1^x	136.78 (4)
S1^ix—K2—Ag1^ix	40.17 (2)	K1^ii—S3—K1^x	69.93 (3)
S4^ix—K2—Ag1^ix	39.89 (2)	C3—S3—K2^ix	121.18 (13)
S3^viii—K2—Ag1^ix	173.23 (3)	Ag1—S3—K2^ix	82.34 (3)
N4—K2—Ag1^viii	69.13 (8)	K1^ii—S3—K2^ix	142.70 (4)
N3^vi—K2—Ag1^viii	114.48 (7)	K1^x—S3—K2^ix	74.88 (3)
N1^vii—K2—Ag1^viii	76.35 (7)	C4—S4—Ag1	99.45 (13)
S2^viii—K2—Ag1^viii	38.62 (2)	C4—S4—K3^xii	94.13 (13)
C3^vi—K2—Ag1^viii	104.12 (7)	Ag1—S4—K3^xii	106.22 (4)
S1^ix—K2—Ag1^viii	119.81 (3)	C4—S4—K3^xiv	103.12 (13)
S4^ix—K2—Ag1^viii	120.22 (3)	Ag1—S4—K3^xiv	157.23 (4)
S3^viii—K2—Ag1^viii	37.81 (2)	K3^xii—S4—K3^xiv	69.32 (3)
Ag1^ix—K2—Ag1^viii	147.62 (3)	C4—S4—K2^viii	90.78 (13)
N4—K2—K1^ii	41.43 (7)	Ag1—S4—K2^viii	78.19 (3)
N3^vi—K2—K1^ii	42.07 (7)	K3^xii—S4—K2^viii	172.73 (4)
N1^vii—K2—K1^ii	111.62 (7)	K3^xiv—S4—K2^viii	104.34 (4)
S2^viii—K2—K1^ii	117.91 (4)	N1—C1—S1	178.2 (3)
C3^vi—K2—K1^ii	49.90 (6)	N1—C1—K1^xv	59.6 (2)
S1^ix—K2—K1^ii	156.43 (3)	S1—C1—K1^xv	121.17 (17)
S4^ix—K2—K1^ii	104.55 (3)	N2—C2—S2	179.5 (4)
S3^viii—K2—K1^ii	50.46 (2)	N2—C2—K3^xii	42.3 (2)
Ag1^ix—K2—K1^ii	122.77 (3)	S2—C2—K3^xii	138.13 (18)
Ag1^viii—K2—K1^ii	82.78 (3)	N3—C3—S3	179.0 (3)
N4—K2—K1^x	71.16 (8)	N3—C3—K1^v	58.0 (2)
N3^vi—K2—K1^x	35.92 (7)	S3—C3—K1^v	122.47 (17)
N1^vii—K2—K1^x	123.06 (7)	N3—C3—K2^xvi	53.9 (2)
S2^viii—K2—K1^x	157.12 (3)	S3—C3—K2^xvi	125.16 (16)
C3^vi—K2—K1^x	54.74 (7)	K1^v—C3—K2^xvi	79.65 (8)
S1^ix—K2—K1^x	106.11 (4)	N4—C4—S4	179.5 (3)
S4^ix—K2—K1^x	72.09 (3)	C1—N1—K1^xv	100.5 (3)
S3^viii—K2—K1^x	101.32 (3)	C1—N1—K1^v	128.2 (3)
Ag1^ix—K2—K1^x	71.98 (2)	K1^xv—N1—K1^v	83.48 (8)
Ag1^viii—K2—K1^x	134.07 (3)	C1—N1—K2^xvii	111.6 (3)
K1^ii—K2—K1^x	51.900 (19)	K1^xv—N1—K2^xvii	130.48 (12)
N2^xi—K3—N2^xii	159.44 (15)	K1^v—N1—K2^xvii	103.14 (11)
N2^xi—K3—S2	98.11 (8)	C2—N2—K3^xviii	139.8 (3)
N2^xii—K3—S2	92.98 (8)	C2—N2—K3^xii	121.5 (3)
N2^xi—K3—S2^v	89.36 (8)	K3^xviii—N2—K3^xii	90.09 (10)
N2^xii—K3—S2^v	96.86 (8)	C3—N3—K1^xv	142.7 (3)
S2—K3—S2^v	129.58 (4)	C3—N3—K2^xvi	107.0 (3)
N2^xi—K3—S1	134.28 (8)	K1^xv—N3—K2^xvi	108.16 (11)
N2^xii—K3—S1	65.24 (8)	C3—N3—K1^v	102.2 (3)
S2—K3—S1	76.43 (3)	K1^xv—N3—K1^v	85.69 (9)
S2^v—K3—S1	63.73 (3)	K2^xvi—N3—K1^v	96.86 (10)
N2^xi—K3—S4^xii	77.31 (8)	C4—N4—K2	141.6 (3)
N2^xii—K3—S4^xii	90.30 (8)	C4—N4—K1^ii	118.8 (3)
S2—K3—S4^xii	70.47 (3)	K2—N4—K1^ii	98.37 (10)

Symmetry codes: (i) x, y, z−1; (ii) −x+1, −y+1, −z+1; (iii) x, −y+1/2, z−1/2; (iv) −x+1, y−1/2, −z+1/2; (v) x, −y+1/2, z+1/2; (vi) −x+1, y+1/2, −z+3/2; (vii) x, y+1, z; (viii) x, −y+3/2, z+1/2; (ix) x, −y+3/2, z−1/2; (x) −x+1, y+1/2, −z+1/2; (xi) −x, y−1/2, −z+1/2; (xii) −x, −y+1, −z+1; (xiii) −x, y−1/2, −z+3/2; (xiv) −x, y+1/2, −z+3/2; (xv) x, y, z+1; (xvi) −x+1, y−1/2, −z+3/2; (xvii) x, y−1, z; (xviii) −x, y+1/2, −z+1/2.

(II) Tetrapotassium di-µ-thiocyanato-S:S-bis[dicyanatosilver(I)]

Crystal data

K4[Ag2(SCN)6]	F(000) = 1376
Mr = 720.62	Dx = 2.358 Mg m^−3
Monoclinic, P21/n	Ag Kα radiation, λ = 0.56087 Å
a = 9.8701 (6) Å	Cell parameters from 8000 reflections
b = 20.0893 (8) Å	θ = 1.8–22.4°
c = 10.6229 (7) Å	µ = 1.75 mm^−1
β = 105.494 (8)°	T = 213 K
V = 2029.8 (2) Å^3	Block, colourless
Z = 4	0.22 × 0.18 × 0.15 mm

Data collection

Stoe IPDS diffractometer	5096 independent reflections
Radiation source: fine-focus sealed tube	4557 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.036
ϕ scans	θmax = 22.4°, θmin = 1.8°
Absorption correction: numerical (X-RED; Stoe & Cie, 1996)	h = −13→13
Tmin = 0.741, Tmax = 0.803	k = −25→25
31846 measured reflections	l = −14→14

Refinement

Refinement on F^2	0 restraints
Least-squares matrix: full	Primary atom site location: structure-invariant direct methods
R[F^2 > 2σ(F^2)] = 0.035	Secondary atom site location: difference Fourier map
wR(F^2) = 0.085	w = 1/[σ^2(Fo^2) + (0.0448P)^2 + 4.099P] where P = (Fo^2 + 2Fc^2)/3
S = 1.05	(Δ/σ)max = 0.001
5096 reflections	Δρmax = 2.23 e Å^−3
217 parameters	Δρmin = −2.08 e Å^−3

Special details

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F² against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F², conventional R-factors R are based on F, with F set to zero for negative F². The threshold expression of F² > σ(F²) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F² are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Ų)

	x	y	z	Uiso*/Ueq
K1	0.13190 (7)	0.60708 (3)	0.62305 (6)	0.02546 (13)
K2	0.51006 (7)	0.21988 (4)	0.21167 (7)	0.02876 (14)
K3	0.75220 (7)	0.23545 (3)	0.95759 (7)	0.02783 (14)
K4	0.85906 (7)	0.59757 (4)	0.89041 (7)	0.02892 (14)
Ag1	0.58284 (3)	0.428060 (14)	0.60020 (3)	0.03622 (8)
S1	0.66614 (7)	0.51358 (4)	0.43846 (7)	0.02382 (14)
C1	0.7669 (3)	0.56453 (15)	0.5472 (3)	0.0234 (5)
N1	0.8372 (3)	0.60092 (14)	0.6211 (3)	0.0297 (5)
S2	0.70469 (8)	0.44528 (4)	0.83548 (8)	0.03078 (17)
C2	0.8261 (3)	0.38695 (15)	0.8771 (3)	0.0225 (5)
N2	0.9125 (3)	0.34654 (14)	0.9108 (3)	0.0289 (5)
S3	0.57750 (8)	0.32303 (4)	0.46711 (7)	0.02736 (15)
C3	0.6573 (3)	0.27183 (16)	0.5871 (3)	0.0261 (6)
N3	0.7138 (3)	0.23620 (16)	0.6701 (3)	0.0373 (6)
Ag2	0.62324 (3)	0.548132 (15)	0.12169 (3)	0.03656 (8)
S4	0.51337 (8)	0.56962 (4)	−0.13225 (8)	0.02797 (16)
C4	0.3950 (3)	0.62834 (15)	−0.1324 (3)	0.0232 (5)
N4	0.3118 (3)	0.66933 (14)	−0.1376 (3)	0.0309 (6)
S5	0.66536 (10)	0.66004 (4)	0.24597 (8)	0.03531 (18)
C5	0.5972 (3)	0.71854 (15)	0.1382 (3)	0.0238 (5)
N5	0.5489 (3)	0.75981 (15)	0.0638 (3)	0.0321 (6)
S6	0.87835 (7)	0.50193 (4)	0.14962 (7)	0.02334 (14)
C6	0.9600 (3)	0.54842 (15)	0.2770 (3)	0.0230 (5)
N6	1.0152 (3)	0.58136 (16)	0.3641 (3)	0.0326 (6)

Atomic displacement parameters (Ų)

	U^11	U^22	U^33	U^12	U^13	U^23
K1	0.0274 (3)	0.0242 (3)	0.0222 (3)	0.0011 (2)	0.0023 (2)	0.0003 (2)
K2	0.0347 (3)	0.0268 (4)	0.0260 (3)	−0.0021 (2)	0.0101 (3)	−0.0003 (2)
K3	0.0299 (3)	0.0247 (3)	0.0310 (3)	−0.0035 (2)	0.0118 (3)	−0.0022 (2)
K4	0.0323 (3)	0.0262 (4)	0.0270 (3)	−0.0009 (2)	0.0056 (3)	0.0023 (2)
Ag1	0.04157 (16)	0.02605 (15)	0.03345 (14)	0.00583 (10)	−0.00316 (11)	−0.00420 (10)
S1	0.0245 (3)	0.0203 (4)	0.0257 (3)	0.0012 (2)	0.0050 (3)	−0.0003 (2)
C1	0.0236 (13)	0.0205 (15)	0.0264 (13)	0.0032 (10)	0.0074 (11)	0.0048 (10)
N1	0.0317 (13)	0.0265 (15)	0.0293 (13)	−0.0005 (10)	0.0054 (10)	−0.0023 (10)
S2	0.0295 (4)	0.0310 (4)	0.0284 (4)	0.0076 (3)	0.0018 (3)	−0.0078 (3)
C2	0.0254 (13)	0.0200 (14)	0.0221 (12)	−0.0051 (10)	0.0064 (10)	−0.0036 (10)
N2	0.0319 (13)	0.0231 (14)	0.0311 (13)	0.0000 (10)	0.0074 (11)	0.0014 (10)
S3	0.0344 (4)	0.0214 (4)	0.0248 (3)	−0.0014 (3)	0.0054 (3)	−0.0024 (3)
C3	0.0279 (14)	0.0219 (15)	0.0282 (14)	−0.0045 (11)	0.0071 (11)	−0.0049 (11)
N3	0.0439 (16)	0.0283 (16)	0.0356 (15)	−0.0018 (12)	0.0036 (12)	0.0010 (11)
Ag2	0.03317 (14)	0.02880 (16)	0.04352 (16)	0.00076 (10)	0.00298 (11)	−0.00352 (10)
S4	0.0237 (3)	0.0265 (4)	0.0327 (4)	0.0009 (3)	0.0058 (3)	−0.0039 (3)
C4	0.0255 (13)	0.0209 (15)	0.0207 (12)	−0.0049 (10)	0.0016 (10)	−0.0025 (10)
N4	0.0363 (14)	0.0232 (14)	0.0305 (13)	0.0037 (11)	0.0043 (11)	−0.0025 (10)
S5	0.0473 (5)	0.0216 (4)	0.0293 (4)	0.0016 (3)	−0.0031 (3)	0.0018 (3)
C5	0.0242 (13)	0.0202 (15)	0.0251 (13)	−0.0028 (10)	0.0035 (10)	−0.0034 (10)
N5	0.0337 (14)	0.0270 (15)	0.0317 (14)	−0.0004 (11)	0.0018 (11)	0.0019 (11)
S6	0.0253 (3)	0.0216 (4)	0.0220 (3)	0.0000 (2)	0.0042 (3)	−0.0023 (2)
C6	0.0264 (13)	0.0213 (15)	0.0202 (12)	0.0025 (10)	0.0042 (10)	0.0023 (10)
N6	0.0358 (14)	0.0323 (16)	0.0264 (13)	−0.0004 (11)	0.0025 (11)	−0.0032 (11)

Geometric parameters (Å, º)

K1—N6^i	2.733 (3)	S1—C1	1.660 (3)
K1—N5^ii	2.818 (3)	S1—Ag1^iv	2.6538 (8)
K1—N1^i	2.906 (3)	S1—K1^iv	3.3125 (10)
K1—N4^iii	2.961 (3)	C1—N1	1.158 (4)
K1—C4^iii	3.173 (3)	C1—K3^xiv	3.438 (3)
K1—S6^iv	3.2816 (10)	N1—K3^xiv	2.896 (3)
K1—S1^iv	3.3125 (10)	N1—K1^xvi	2.906 (3)
K1—C6^iv	3.496 (3)	S2—C2	1.650 (3)
K1—C5^ii	3.528 (3)	C2—N2	1.163 (4)
K1—S3^iv	3.5473 (10)	C2—K4^xiii	3.428 (3)
K1—K2^v	4.1328 (10)	N2—K4^xiii	2.874 (3)
K1—Ag1^iv	4.1974 (8)	N2—K2^xii	2.875 (3)
K2—N5^vi	2.856 (3)	S3—C3	1.664 (3)
K2—N2^vii	2.875 (3)	S3—K3^vii	3.3950 (11)
K2—N6^viii	2.889 (3)	S3—K1^iv	3.5473 (10)
K2—N3^vii	2.972 (3)	C3—N3	1.156 (5)
K2—N4^vi	3.066 (3)	C3—K2^xii	3.382 (3)
K2—S3	3.3369 (10)	C3—K4^xi	3.516 (3)
K2—S5^viii	3.3378 (12)	N3—K4^xi	2.905 (3)
K2—C4^vi	3.363 (3)	N3—K2^xii	2.972 (3)
K2—C3^vii	3.382 (3)	Ag2—S5	2.5839 (9)
K2—C6^viii	3.457 (3)	Ag2—S6	2.6250 (8)
K2—K3^ix	4.0670 (9)	Ag2—S4	2.6601 (9)
K2—K1^x	4.1328 (10)	Ag2—S4^vi	2.7400 (9)
K3—N2	2.855 (3)	Ag2—K4^ix	3.9364 (8)
K3—N4^iv	2.892 (3)	S4—C4	1.660 (3)
K3—N1^xi	2.896 (3)	S4—Ag2^vi	2.7400 (9)
K3—N5^iv	2.921 (3)	S4—K4^ix	3.4024 (10)
K3—N3	2.976 (3)	C4—N4	1.153 (4)
K3—C2	3.296 (3)	C4—K1^ix	3.173 (3)
K3—S5^xi	3.3919 (11)	C4—K2^vi	3.363 (3)
K3—S3^xii	3.3950 (11)	N4—K3^iv	2.892 (3)
K3—C1^xi	3.438 (3)	N4—K1^ix	2.961 (3)
K3—C5^iv	3.451 (3)	N4—K2^vi	3.066 (3)
K3—K2^iii	4.0670 (9)	S5—C5	1.653 (3)
K3—K2^xii	4.2024 (9)	S5—K2^xvii	3.3378 (12)
K4—N1	2.812 (3)	S5—K3^xiv	3.3919 (11)
K4—N2^xiii	2.874 (3)	C5—N5	1.157 (4)
K4—N3^xiv	2.905 (3)	C5—K3^iv	3.451 (3)
K4—S6^iii	3.3211 (10)	C5—K1^xviii	3.528 (3)
K4—S6^xv	3.3886 (10)	N5—K1^xviii	2.818 (3)
K4—S2	3.3981 (12)	N5—K2^vi	2.856 (3)
K4—S4^iii	3.4024 (11)	N5—K3^iv	2.921 (3)
K4—C2^xiii	3.428 (3)	S6—C6	1.664 (3)
K4—C3^xiv	3.516 (3)	S6—K1^iv	3.2816 (10)
K4—Ag2^iii	3.9364 (8)	S6—K4^ix	3.3211 (10)
K4—K1^xvi	4.4091 (10)	S6—K4^xv	3.3886 (10)
K4—K3^xiv	4.5139 (10)	C6—N6	1.150 (4)
Ag1—S2	2.4914 (9)	C6—K2^xvii	3.457 (3)
Ag1—S3	2.5327 (8)	C6—K1^iv	3.496 (3)
Ag1—S1	2.7083 (8)	N6—K1^xvi	2.733 (3)
Ag1—S1^iv	2.6538 (8)	N6—K2^xvii	2.889 (3)
Ag1—K1^iv	4.1974 (8)
N6^i—K1—N5^ii	86.29 (9)	C5^iv—K3—K2^xii	118.88 (5)
N6^i—K1—N1^i	80.38 (8)	K2^iii—K3—K2^xii	171.82 (2)
N5^ii—K1—N1^i	78.94 (8)	N1—K4—N2^xiii	124.77 (8)
N6^i—K1—N4^iii	159.85 (9)	N1—K4—N3^xiv	78.75 (9)
N5^ii—K1—N4^iii	82.12 (8)	N2^xiii—K4—N3^xiv	83.53 (9)
N1^i—K1—N4^iii	113.20 (8)	N1—K4—S6^iii	146.03 (7)
N6^i—K1—C4^iii	151.90 (8)	N2^xiii—K4—S6^iii	75.92 (6)
N5^ii—K1—C4^iii	100.40 (8)	N3^xiv—K4—S6^iii	133.94 (7)
N1^i—K1—C4^iii	127.61 (8)	N1—K4—S6^xv	74.92 (6)
N4^iii—K1—C4^iii	21.31 (8)	N2^xiii—K4—S6^xv	81.17 (6)
N6^i—K1—S6^iv	121.81 (7)	N3^xiv—K4—S6^xv	133.66 (7)
N5^ii—K1—S6^iv	137.18 (6)	S6^iii—K4—S6^xv	83.48 (2)
N1^i—K1—S6^iv	75.49 (6)	N1—K4—S2	86.44 (6)
N4^iii—K1—S6^iv	77.26 (6)	N2^xiii—K4—S2	134.88 (6)
C4^iii—K1—S6^iv	70.53 (6)	N3^xiv—K4—S2	138.76 (7)
N6^i—K1—S1^iv	77.12 (7)	S6^iii—K4—S2	62.95 (2)
N5^ii—K1—S1^iv	143.56 (7)	S6^xv—K4—S2	76.72 (2)
N1^i—K1—S1^iv	128.42 (6)	N1—K4—S4^iii	97.42 (6)
N4^iii—K1—S1^iv	102.94 (6)	N2^xiii—K4—S4^iii	133.74 (6)
C4^iii—K1—S1^iv	81.73 (6)	N3^xiv—K4—S4^iii	87.60 (7)
S6^iv—K1—S1^iv	78.19 (2)	S6^iii—K4—S4^iii	78.32 (2)
N6^i—K1—C6^iv	93.62 (8)	S6^xv—K4—S4^iii	132.84 (3)
N5^ii—K1—C6^iv	146.33 (8)	S2—K4—S4^iii	56.23 (2)
N1^i—K1—C6^iv	67.91 (8)	N1—K4—C2^xiii	122.64 (8)
N4^iii—K1—C6^iv	105.15 (8)	N2^xiii—K4—C2^xiii	18.74 (8)
C4^iii—K1—C6^iv	95.36 (7)	N3^xiv—K4—C2^xiii	101.28 (8)
S6^iv—K1—C6^iv	28.20 (5)	S6^iii—K4—C2^xiii	67.35 (5)
S1^iv—K1—C6^iv	67.95 (5)	S6^xv—K4—C2^xiii	64.37 (5)
N6^i—K1—C5^ii	102.35 (8)	S2—K4—C2^xiii	118.94 (6)
N5^ii—K1—C5^ii	16.67 (8)	S4^iii—K4—C2^xiii	139.88 (5)
N1^i—K1—C5^ii	86.19 (8)	N1—K4—C3^xiv	93.02 (8)
N4^iii—K1—C5^ii	65.46 (7)	N2^xiii—K4—C3^xiv	66.57 (8)
C4^iii—K1—C5^ii	84.09 (8)	N3^xiv—K4—C3^xiv	17.67 (8)
S6^iv—K1—C5^ii	127.35 (5)	S6^iii—K4—C3^xiv	120.88 (6)
S1^iv—K1—C5^ii	143.76 (5)	S6^xv—K4—C3^xiv	130.29 (6)
C6^iv—K1—C5^ii	146.86 (7)	S2—K4—C3^xiv	151.83 (6)
N6^i—K1—S3^iv	87.52 (7)	S4^iii—K4—C3^xiv	96.06 (5)
N5^ii—K1—S3^iv	76.80 (6)	C2^xiii—K4—C3^xiv	84.84 (7)
N1^i—K1—S3^iv	153.49 (6)	N1—K4—Ag2^iii	138.04 (6)
N4^iii—K1—S3^iv	73.85 (6)	N2^xiii—K4—Ag2^iii	96.80 (6)
C4^iii—K1—S3^iv	67.91 (5)	N3^xiv—K4—Ag2^iii	103.13 (7)
S6^iv—K1—S3^iv	130.46 (3)	S6^iii—K4—Ag2^iii	41.327 (15)
S1^iv—K1—S3^iv	70.36 (2)	S6^xv—K4—Ag2^iii	121.94 (2)
C6^iv—K1—S3^iv	136.86 (5)	S2—K4—Ag2^iii	64.358 (19)
C5^ii—K1—S3^iv	73.41 (5)	S4^iii—K4—Ag2^iii	41.715 (17)
N6^i—K1—K2^v	44.17 (7)	C2^xiii—K4—Ag2^iii	98.42 (5)
N5^ii—K1—K2^v	43.61 (6)	C3^xiv—K4—Ag2^iii	99.40 (5)
N1^i—K1—K2^v	84.75 (6)	N1—K4—K1^xvi	40.32 (6)
N4^iii—K1—K2^v	119.66 (6)	N2^xiii—K4—K1^xvi	87.84 (6)
C4^iii—K1—K2^v	130.23 (6)	N3^xiv—K4—K1^xvi	88.50 (7)
S6^iv—K1—K2^v	158.29 (3)	S6^iii—K4—K1^xvi	130.51 (2)
S1^iv—K1—K2^v	108.37 (2)	S6^xv—K4—K1^xvi	47.587 (18)
C6^iv—K1—K2^v	134.06 (5)	S2—K4—K1^xvi	104.56 (2)
C5^ii—K1—K2^v	58.67 (5)	S4^iii—K4—K1^xvi	137.31 (3)
S3^iv—K1—K2^v	70.33 (2)	C2^xiii—K4—K1^xvi	82.43 (5)
N6^i—K1—Ag1^iv	64.23 (6)	C3^xiv—K4—K1^xvi	92.73 (5)
N5^ii—K1—Ag1^iv	103.42 (6)	Ag2^iii—K4—K1^xvi	167.87 (2)
N1^i—K1—Ag1^iv	144.10 (6)	N1—K4—K3^xiv	38.40 (6)
N4^iii—K1—Ag1^iv	102.53 (6)	N2^xiii—K4—K3^xiv	109.49 (6)
C4^iii—K1—Ag1^iv	87.68 (5)	N3^xiv—K4—K3^xiv	40.44 (6)
S6^iv—K1—Ag1^iv	117.44 (2)	S6^iii—K4—K3^xiv	168.97 (3)
S1^iv—K1—Ag1^iv	40.147 (15)	S6^xv—K4—K3^xiv	106.63 (2)
C6^iv—K1—Ag1^iv	106.79 (5)	S2—K4—K3^xiv	114.33 (2)
C5^ii—K1—Ag1^iv	106.30 (5)	S4^iii—K4—K3^xiv	91.34 (2)
S3^iv—K1—Ag1^iv	36.985 (15)	C2^xiii—K4—K3^xiv	120.65 (5)
K2^v—K1—Ag1^iv	74.366 (15)	C3^xiv—K4—K3^xiv	55.87 (5)
N5^vi—K2—N2^vii	143.43 (9)	Ag2^iii—K4—K3^xiv	127.66 (2)
N5^vi—K2—N6^viii	82.73 (8)	K1^xvi—K4—K3^xiv	60.180 (15)
N2^vii—K2—N6^viii	74.75 (8)	S2—Ag1—S3	127.46 (3)
N5^vi—K2—N3^vii	83.22 (8)	S3—Ag1—S1^iv	113.66 (3)
N2^vii—K2—N3^vii	74.79 (8)	S2—Ag1—S1	113.66 (3)
N6^viii—K2—N3^vii	103.66 (9)	S2—Ag1—S1^iv	105.83 (3)
N5^vi—K2—N4^vi	66.89 (8)	S3—Ag1—S1	97.99 (3)
N2^vii—K2—N4^vi	148.54 (8)	S1^iv—Ag1—S1	92.70 (2)
N6^viii—K2—N4^vi	129.84 (8)	S2—Ag1—K1^iv	111.92 (2)
N3^vii—K2—N4^vi	110.79 (8)	S3—Ag1—K1^iv	57.42 (2)
N5^vi—K2—S3	133.33 (7)	S1^iv—Ag1—K1^iv	136.06 (2)
N2^vii—K2—S3	73.94 (6)	S1—Ag1—K1^iv	52.054 (19)
N6^viii—K2—S3	143.93 (6)	C1—S1—Ag1	100.18 (10)
N3^vii—K2—S3	84.90 (6)	C1—S1—Ag1^iv	101.13 (10)
N4^vi—K2—S3	75.78 (6)	Ag1^iv—S1—Ag1	87.30 (2)
N5^vi—K2—S5^viii	96.62 (6)	C1—S1—K1^iv	107.95 (10)
N2^vii—K2—S5^viii	103.39 (6)	Ag1^iv—S1—K1^iv	150.92 (3)
N6^viii—K2—S5^viii	72.49 (6)	Ag1—S1—K1^iv	87.80 (2)
N3^vii—K2—S5^viii	176.12 (7)	N1—C1—S1	178.7 (3)
N4^vi—K2—S5^viii	72.58 (6)	N1—C1—K3^xiv	53.14 (19)
S3—K2—S5^viii	97.95 (3)	S1—C1—K3^xiv	125.82 (14)
N5^vi—K2—C4^vi	66.93 (8)	C1—N1—K4	122.9 (2)
N2^vii—K2—C4^vi	140.85 (8)	C1—N1—K3^xiv	108.2 (2)
N6^viii—K2—C4^vi	144.37 (8)	K4—N1—K3^xiv	104.51 (9)
N3^vii—K2—C4^vi	91.29 (8)	C1—N1—K1^xvi	116.7 (2)
N4^vi—K2—C4^vi	19.98 (7)	K4—N1—K1^xvi	100.90 (9)
S3—K2—C4^vi	68.42 (5)	K3^xiv—N1—K1^xvi	100.94 (9)
S5^viii—K2—C4^vi	92.21 (6)	C2—S2—Ag1	106.95 (10)
N5^vi—K2—C3^vii	71.66 (8)	C2—S2—K4	109.46 (11)
N2^vii—K2—C3^vii	78.38 (8)	Ag1—S2—K4	111.80 (3)
N6^viii—K2—C3^vii	86.28 (8)	N2—C2—S2	177.7 (3)
N3^vii—K2—C3^vii	19.63 (8)	N2—C2—K3	58.00 (19)
N4^vi—K2—C3^vii	117.69 (8)	S2—C2—K3	122.01 (13)
S3—K2—C3^vii	104.38 (6)	N2—C2—K4^xiii	52.59 (18)
S5^viii—K2—C3^vii	157.09 (6)	S2—C2—K4^xiii	125.62 (13)
C4^vi—K2—C3^vii	100.61 (7)	K3—C2—K4^xiii	96.76 (8)
N5^vi—K2—C6^viii	99.80 (8)	C2—N2—K3	101.8 (2)
N2^vii—K2—C6^viii	63.54 (7)	C2—N2—K4^xiii	108.7 (2)
N6^viii—K2—C6^viii	18.20 (7)	K3—N2—K4^xiii	122.67 (10)
N3^vii—K2—C6^viii	111.88 (8)	C2—N2—K2^xii	117.4 (2)
N4^vi—K2—C6^viii	133.06 (7)	K3—N2—K2^xii	94.33 (9)
S3—K2—C6^viii	126.43 (5)	K4^xiii—N2—K2^xii	111.76 (9)
S5^viii—K2—C6^viii	64.29 (5)	C3—S3—Ag1	98.75 (11)
C4^vi—K2—C6^viii	152.29 (7)	C3—S3—K2	100.96 (11)
C3^vii—K2—C6^viii	97.60 (7)	Ag1—S3—K2	160.25 (3)
N5^vi—K2—K3^ix	45.91 (6)	C3—S3—K3^vii	93.41 (11)
N2^vii—K2—K3^ix	153.56 (6)	Ag1—S3—K3^vii	100.57 (3)
N6^viii—K2—K3^ix	84.93 (6)	K2—S3—K3^vii	77.25 (2)
N3^vii—K2—K3^ix	127.42 (7)	C3—S3—K1^iv	101.54 (11)
N4^vi—K2—K3^ix	45.18 (5)	Ag1—S3—K1^iv	85.60 (3)
S3—K2—K3^ix	117.84 (3)	K2—S3—K1^iv	91.51 (2)
S5^viii—K2—K3^ix	53.43 (2)	K3^vii—S3—K1^iv	162.83 (3)
C4^vi—K2—K3^ix	60.76 (5)	N3—C3—S3	179.4 (3)
C3^vii—K2—K3^ix	117.56 (6)	N3—C3—K2^xii	59.7 (2)
C6^viii—K2—K3^ix	92.28 (5)	S3—C3—K2^xii	119.78 (14)
N5^vi—K2—K1^x	42.89 (6)	N3—C3—K4^xi	49.7 (2)
N2^vii—K2—K1^x	105.97 (6)	S3—C3—K4^xi	130.29 (14)
N6^viii—K2—K1^x	41.23 (6)	K2^xii—C3—K4^xi	94.80 (8)
N3^vii—K2—K1^x	86.61 (6)	C3—N3—K4^xi	112.6 (2)
N4^vi—K2—K1^x	105.26 (5)	C3—N3—K2^xii	100.6 (2)
S3—K2—K1^x	171.21 (3)	K4^xi—N3—K2^xii	119.55 (11)
S5^viii—K2—K1^x	90.64 (2)	C3—N3—K3	133.5 (3)
C4^vi—K2—K1^x	109.57 (5)	K4^xi—N3—K3	100.27 (10)
C3^vii—K2—K1^x	67.26 (6)	K2^xii—N3—K3	89.91 (9)
C6^viii—K2—K1^x	59.32 (5)	S5—Ag2—S6	103.38 (3)
K3^ix—K2—K1^x	66.139 (17)	S5—Ag2—S4	110.08 (3)
N2—K3—N4^iv	80.07 (8)	S6—Ag2—S4	106.91 (3)
N2—K3—N1^xi	145.03 (8)	S5—Ag2—S4^vi	138.07 (3)
N4^iv—K3—N1^xi	134.79 (8)	S6—Ag2—S4^vi	99.08 (2)
N2—K3—N5^iv	124.11 (8)	S4—Ag2—S4^vi	96.31 (3)
N4^iv—K3—N5^iv	68.42 (8)	S5—Ag2—K4^ix	93.33 (3)
N1^xi—K3—N5^iv	77.45 (8)	S6—Ag2—K4^ix	56.67 (2)
N2—K3—N3	75.03 (8)	S4—Ag2—K4^ix	58.33 (2)
N4^iv—K3—N3	133.25 (9)	S4^vi—Ag2—K4^ix	128.53 (2)
N1^xi—K3—N3	76.30 (8)	C4—S4—Ag2	102.26 (10)
N5^iv—K3—N3	94.14 (9)	C4—S4—Ag2^vi	105.03 (10)
N2—K3—C2	20.20 (8)	Ag2—S4—Ag2^vi	83.69 (3)
N4^iv—K3—C2	70.33 (8)	C4—S4—K4^ix	125.12 (11)
N1^xi—K3—C2	149.15 (8)	Ag2—S4—K4^ix	79.96 (2)
N5^iv—K3—C2	103.94 (8)	Ag2^vi—S4—K4^ix	129.40 (3)
N3—K3—C2	72.86 (8)	N4—C4—S4	177.4 (3)
N2—K3—S5^xi	120.28 (6)	N4—C4—K1^ix	68.94 (19)
N4^iv—K3—S5^xi	73.86 (6)	S4—C4—K1^ix	109.09 (13)
N1^xi—K3—S5^xi	80.22 (6)	N4—C4—K2^vi	65.3 (2)
N5^iv—K3—S5^xi	94.21 (6)	S4—C4—K2^vi	113.65 (13)
N3—K3—S5^xi	152.67 (7)	K1^ix—C4—K2^vi	97.98 (8)
C2—K3—S5^xi	129.69 (6)	C4—N4—K3^iv	136.0 (2)
N2—K3—S3^xii	73.26 (6)	C4—N4—K1^ix	89.8 (2)
N4^iv—K3—S3^xii	125.54 (6)	K3^iv—N4—K1^ix	131.31 (10)
N1^xi—K3—S3^xii	84.18 (6)	C4—N4—K2^vi	94.7 (2)
N5^iv—K3—S3^xii	161.45 (7)	K3^iv—N4—K2^vi	86.05 (8)
N3—K3—S3^xii	83.82 (7)	K1^ix—N4—K2^vi	109.87 (9)
C2—K3—S3^xii	93.10 (5)	C5—S5—Ag2	106.54 (11)
S5^xi—K3—S3^xii	80.06 (3)	C5—S5—K2^xvii	92.03 (11)
N2—K3—C1^xi	143.97 (8)	Ag2—S5—K2^xvii	113.57 (4)
N4^iv—K3—C1^xi	130.50 (8)	C5—S5—K3^xiv	106.12 (11)
N1^xi—K3—C1^xi	18.66 (8)	Ag2—S5—K3^xiv	145.99 (3)
N5^iv—K3—C1^xi	88.90 (8)	K2^xvii—S5—K3^xiv	74.36 (2)
N3—K3—C1^xi	89.92 (8)	N5—C5—S5	179.3 (3)
C2—K3—C1^xi	158.99 (7)	N5—C5—K3^iv	53.82 (19)
S5^xi—K3—C1^xi	64.29 (5)	S5—C5—K3^iv	125.75 (14)
S3^xii—K3—C1^xi	72.70 (5)	N5—C5—K1^xviii	44.31 (19)
N2—K3—C5^iv	107.22 (8)	S5—C5—K1^xviii	135.34 (14)
N4^iv—K3—C5^iv	68.91 (7)	K3^iv—C5—K1^xviii	79.75 (7)
N1^xi—K3—C5^iv	87.78 (8)	C5—N5—K1^xviii	119.0 (2)
N5^iv—K3—C5^iv	18.65 (8)	C5—N5—K2^vi	137.4 (2)
N3—K3—C5^iv	81.53 (8)	K1^xviii—N5—K2^vi	93.49 (9)
C2—K3—C5^iv	87.09 (7)	C5—N5—K3^iv	107.5 (2)
S5^xi—K3—C5^iv	111.50 (6)	K1^xviii—N5—K3^iv	102.43 (10)
S3^xii—K3—C5^iv	164.61 (5)	K2^vi—N5—K3^iv	89.48 (8)
C1^xi—K3—C5^iv	102.51 (7)	C6—S6—Ag2	97.75 (10)
N2—K3—K2^iii	128.83 (6)	C6—S6—K1^iv	83.08 (10)
N4^iv—K3—K2^iii	48.77 (6)	Ag2—S6—K1^iv	95.85 (2)
N1^xi—K3—K2^iii	86.09 (6)	C6—S6—K4^ix	104.93 (10)
N5^iv—K3—K2^iii	44.60 (6)	Ag2—S6—K4^ix	82.01 (2)
N3—K3—K2^iii	138.19 (7)	K1^iv—S6—K4^ix	171.90 (3)
C2—K3—K2^iii	116.96 (5)	C6—S6—K4^xv	102.29 (10)
S5^xi—K3—K2^iii	52.21 (2)	Ag2—S6—K4^xv	159.57 (3)
S3^xii—K3—K2^iii	132.25 (3)	K1^iv—S6—K4^xv	82.74 (2)
C1^xi—K3—K2^iii	83.88 (5)	K4^ix—S6—K4^xv	96.52 (2)
C5^iv—K3—K2^iii	59.88 (5)	N6—C6—S6	179.0 (3)
N2—K3—K2^xii	43.02 (6)	N6—C6—K2^xvii	51.7 (2)
N4^iv—K3—K2^xii	123.07 (6)	S6—C6—K2^xvii	127.29 (13)
N1^xi—K3—K2^xii	102.03 (6)	N6—C6—K1^iv	112.1 (2)
N5^iv—K3—K2^xii	135.83 (6)	S6—C6—K1^iv	68.72 (10)
N3—K3—K2^xii	45.01 (6)	K2^xvii—C6—K1^iv	155.04 (9)
C2—K3—K2^xii	55.15 (5)	C6—N6—K1^xvi	154.2 (3)
S5^xi—K3—K2^xii	129.61 (3)	C6—N6—K2^xvii	110.1 (2)
S3^xii—K3—K2^xii	50.756 (19)	K1^xvi—N6—K2^xvii	94.60 (9)
C1^xi—K3—K2^xii	104.12 (5)

Symmetry codes: (i) x−1, y, z; (ii) x−1/2, −y+3/2, z+1/2; (iii) x, y, z+1; (iv) −x+1, −y+1, −z+1; (v) −x+1/2, y+1/2, −z+1/2; (vi) −x+1, −y+1, −z; (vii) x−1/2, −y+1/2, z−1/2; (viii) −x+3/2, y−1/2, −z+1/2; (ix) x, y, z−1; (x) −x+1/2, y−1/2, −z+1/2; (xi) −x+3/2, y−1/2, −z+3/2; (xii) x+1/2, −y+1/2, z+1/2; (xiii) −x+2, −y+1, −z+2; (xiv) −x+3/2, y+1/2, −z+3/2; (xv) −x+2, −y+1, −z+1; (xvi) x+1, y, z; (xvii) −x+3/2, y+1/2, −z+1/2; (xviii) x+1/2, −y+3/2, z−1/2.

(III) Potassium [silver(I)-di-µ-thiocyanato-S:S]

Crystal data

K[Ag(SCN)2]	F(000) = 992
Mr = 263.13	Dx = 2.703 Mg m^−3
Orthorhombic, Pbca	Mo Kα radiation, λ = 0.71069 Å
Hall symbol: -P 2ac 2ab	Cell parameters from 50 reflections
a = 17.9382 (14) Å	θ = 10–12.5°
b = 10.7801 (8) Å	µ = 4.29 mm^−1
c = 6.6879 (6) Å	T = 213 K
V = 1293.28 (18) Å^3	Triangular fragment of a plate, colourless
Z = 8	0.35 × 0.25 × 0.12 mm

Data collection

Stoe STADI4 diffractometer	1458 reflections with I > 2σ(I)
Radiation source: fine-focus sealed tube	Rint = 0.022
Graphite monochromator	θmax = 28.0°, θmin = 1.5°
ω scans	h = 0→23
Absorption correction: numerical (X-RED; Stoe & Cie, 1996)	k = −14→14
Tmin = 0.315, Tmax = 0.627	l = −8→8
4667 measured reflections	2 standard reflections every 120 min
1561 independent reflections	intensity decay: none

Refinement

Refinement on F^2	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F^2 > 2σ(F^2)] = 0.020	w = 1/[σ^2(Fo^2) + (0.0161P)^2 + 1.391P] where P = (Fo^2 + 2Fc^2)/3
wR(F^2) = 0.046	(Δ/σ)max = 0.003
S = 1.13	Δρmax = 0.96 e Å^−3
1561 reflections	Δρmin = −0.57 e Å^−3
74 parameters	Extinction correction: SHELXL97 (Sheldrick, 1997), Fc^*=kFc[1+0.001xFc^2λ^3/sin(2θ)]^-1/4
0 restraints	Extinction coefficient: 0.0193 (4)

Special details

Geometry. All e.s.d.'s (except the e.s.d. in the dihedral angle between two l.s. planes) are estimated using the full covariance matrix. The cell e.s.d.'s are taken into account individually in the estimation of e.s.d.'s in distances, angles and torsion angles; correlations between e.s.d.'s in cell parameters are only used when they are defined by crystal symmetry. An approximate (isotropic) treatment of cell e.s.d.'s is used for estimating e.s.d.'s involving l.s. planes.

Refinement. Refinement of F² against ALL reflections. The weighted R-factor wR and goodness of fit S are based on F², conventional R-factors R are based on F, with F set to zero for negative F². The threshold expression of F² > σ(F²) is used only for calculating R-factors(gt) etc. and is not relevant to the choice of reflections for refinement. R-factors based on F² are statistically about twice as large as those based on F, and R- factors based on ALL data will be even larger.

Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (Ų)

	x	y	z	Uiso*/Ueq
K	0.73048 (3)	0.87369 (4)	0.14962 (7)	0.02603 (12)
Ag	0.502185 (9)	0.373394 (18)	0.17302 (3)	0.03114 (9)
S1	0.53232 (3)	0.34921 (5)	0.54781 (8)	0.02320 (12)
C1	0.62483 (12)	0.34788 (19)	0.5243 (3)	0.0230 (4)
N1	0.68910 (12)	0.3514 (2)	0.5103 (3)	0.0347 (5)
S2	0.60890 (3)	0.50945 (4)	−0.01708 (7)	0.02115 (12)
C2	0.63177 (11)	0.60326 (19)	0.1715 (3)	0.0208 (4)
N2	0.64928 (12)	0.6663 (2)	0.3036 (3)	0.0323 (4)

Atomic displacement parameters (Ų)

	U^11	U^22	U^33	U^12	U^13	U^23
K	0.0267 (2)	0.0306 (2)	0.0208 (2)	−0.00223 (17)	−0.00096 (18)	0.00045 (16)
Ag	0.02897 (12)	0.03269 (12)	0.03175 (13)	0.00046 (6)	−0.00933 (7)	0.00370 (7)
S1	0.0232 (2)	0.0241 (2)	0.0223 (2)	0.00463 (19)	−0.0007 (2)	−0.00023 (19)
C1	0.0283 (10)	0.0233 (9)	0.0174 (9)	0.0010 (8)	−0.0013 (8)	0.0015 (8)
N1	0.0287 (10)	0.0452 (11)	0.0303 (10)	0.0007 (9)	0.0017 (9)	0.0045 (9)
S2	0.0203 (2)	0.0230 (2)	0.0201 (2)	−0.00031 (17)	−0.00082 (18)	−0.00133 (18)
C2	0.0159 (8)	0.0256 (9)	0.0209 (10)	−0.0023 (7)	−0.0011 (7)	0.0045 (8)
N2	0.0341 (10)	0.0394 (10)	0.0234 (9)	−0.0107 (9)	−0.0047 (8)	−0.0011 (8)

Geometric parameters (Å, º)

K—N2^i	2.768 (2)	Ag—S2	2.7262 (5)
K—N1^ii	2.821 (2)	S1—C1	1.667 (2)
K—N2	2.860 (2)	S1—Ag^viii	2.5984 (6)
K—N1^iii	2.973 (2)	C1—N1	1.157 (3)
K—N1^i	3.194 (2)	N1—K^ix	2.821 (2)
K—S2^iv	3.3633 (7)	N1—K^x	2.973 (2)
K—C2	3.414 (2)	N1—K^iv	3.194 (2)
K—S2^ii	3.4186 (7)	S2—C2	1.668 (2)
K—C2^ii	3.500 (2)	S2—Ag^vi	2.5794 (5)
K—K^i	4.2771 (6)	S2—K^i	3.3633 (7)
K—K^iv	4.2771 (6)	S2—K^ix	3.4186 (7)
K—K^v	4.3691 (7)	C2—N2	1.158 (3)
Ag—S1	2.5774 (6)	C2—K^ix	3.500 (2)
Ag—S2^vi	2.5794 (5)	N2—K^iv	2.768 (2)
Ag—S1^vii	2.5984 (6)
N2^i—K—N1^ii	166.09 (7)	C2—K—K^iv	55.53 (3)
N2^i—K—N2	84.91 (6)	S2^ii—K—K^iv	121.460 (11)
N1^ii—K—N2	83.46 (6)	C2^ii—K—K^iv	114.09 (3)
N2^i—K—N1^iii	82.31 (6)	K^i—K—K^iv	102.86 (2)
N1^ii—K—N1^iii	87.15 (6)	N2^i—K—K^v	145.21 (5)
N2—K—N1^iii	73.86 (6)	N1^ii—K—K^v	46.90 (5)
N2^i—K—N1^i	77.18 (6)	N2—K—K^v	107.06 (4)
N1^ii—K—N1^i	116.58 (5)	N1^iii—K—K^v	132.14 (4)
N2—K—N1^i	135.40 (6)	N1^i—K—K^v	71.47 (4)
N1^iii—K—N1^i	141.13 (7)	S2^iv—K—K^v	50.449 (12)
N2^i—K—S2^iv	105.74 (5)	C2—K—K^v	125.63 (4)
N1^ii—K—S2^iv	78.28 (5)	S2^ii—K—K^v	81.236 (17)
N2—K—S2^iv	73.98 (5)	C2^ii—K—K^v	54.13 (3)
N1^iii—K—S2^iv	145.92 (5)	K^i—K—K^v	170.756 (13)
N1^i—K—S2^iv	72.25 (4)	K^iv—K—K^v	77.892 (6)
N2^i—K—C2	68.29 (6)	S1—Ag—S2^vi	127.211 (17)
N1^ii—K—C2	98.96 (6)	S1—Ag—S1^vii	100.157 (14)
N2—K—C2	18.72 (5)	S2^vi—Ag—S1^vii	118.855 (17)
N1^iii—K—C2	64.42 (5)	S1—Ag—S2	111.142 (17)
N1^i—K—C2	133.18 (5)	S2^vi—Ag—S2	95.192 (17)
S2^iv—K—C2	87.43 (4)	S1^vii—Ag—S2	101.565 (17)
N2^i—K—S2^ii	103.73 (5)	C1—S1—Ag	96.76 (8)
N1^ii—K—S2^ii	83.36 (5)	C1—S1—Ag^viii	103.28 (7)
N2—K—S2^ii	151.80 (5)	Ag—S1—Ag^viii	111.30 (2)
N1^iii—K—S2^ii	80.68 (4)	N1—C1—S1	177.5 (2)
N1^i—K—S2^ii	72.75 (4)	C1—N1—K^ix	125.55 (17)
S2^iv—K—S2^ii	127.035 (17)	C1—N1—K^x	115.57 (17)
C2—K—S2^ii	144.75 (4)	K^ix—N1—K^x	95.13 (6)
N2^i—K—C2^ii	121.09 (6)	C1—N1—K^iv	103.77 (16)
N1^ii—K—C2^ii	70.34 (5)	K^ix—N1—K^iv	92.95 (6)
N2—K—C2^ii	153.79 (5)	K^x—N1—K^iv	123.57 (7)
N1^iii—K—C2^ii	104.33 (5)	C2—S2—Ag^vi	101.47 (7)
N1^i—K—C2^ii	61.33 (5)	C2—S2—Ag	98.41 (7)
S2^iv—K—C2^ii	99.51 (4)	Ag^vi—S2—Ag	84.808 (17)
C2—K—C2^ii	165.48 (5)	C2—S2—K^i	96.58 (7)
S2^ii—K—C2^ii	27.87 (3)	Ag^vi—S2—K^i	92.842 (17)
N2^i—K—K^i	41.35 (4)	Ag—S2—K^i	165.00 (2)
N1^ii—K—K^i	127.97 (5)	C2—S2—K^ix	78.79 (7)
N2—K—K^i	78.11 (4)	Ag^vi—S2—K^ix	173.02 (2)
N1^iii—K—K^i	41.06 (4)	Ag—S2—K^ix	102.087 (17)
N1^i—K—K^i	110.51 (4)	K^i—S2—K^ix	80.211 (15)
S2^iv—K—K^i	138.738 (13)	N2—C2—S2	178.1 (2)
C2—K—K^i	60.07 (4)	N2—C2—K	52.48 (13)
S2^ii—K—K^i	90.685 (11)	S2—C2—K	127.80 (9)
C2^ii—K—K^i	118.26 (3)	N2—C2—K^ix	104.79 (16)
N2^i—K—K^iv	123.82 (5)	S2—C2—K^ix	73.34 (7)
N1^ii—K—K^iv	43.81 (4)	K—C2—K^ix	103.64 (5)
N2—K—K^iv	39.75 (4)	C2—N2—K^iv	133.57 (18)
N1^iii—K—K^iv	74.71 (4)	C2—N2—K	108.80 (15)
N1^i—K—K^iv	143.77 (4)	K^iv—N2—K	98.89 (6)
S2^iv—K—K^iv	73.463 (11)

Symmetry codes: (i) x, −y+3/2, z−1/2; (ii) −x+3/2, y+1/2, z; (iii) −x+3/2, −y+1, z−1/2; (iv) x, −y+3/2, z+1/2; (v) −x+3/2, −y+2, z+1/2; (vi) −x+1, −y+1, −z; (vii) x, −y+1/2, z−1/2; (viii) x, −y+1/2, z+1/2; (ix) −x+3/2, y−1/2, z; (x) −x+3/2, −y+1, z+1/2.