μ-Oxido-bis­{chlorido[tris­(2-pyridylmeth­yl)­amine]iron(III)} bis­(hexa­fluorido­phos­phate)

Liu, Y.; Dou, J.; Li, D.; Zhang, X.

doi:10.1107/S1600536807049665

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Retracted: μ-Oxido-bis{chlorido[tris(2-pyridylmethyl)amine]iron(III)} bis(hexafluoridophosphate)

Y. Liu, J. Dou, D. Li and X. Zhang

The dinuclear Fe^III complex in the title compound, [Fe₂Cl₂O(C₁₈H₁₈N₄)₂](PF₆)₂, lies on a center of inversion. The Fe^III atom is chelated by a tetradentate tris(2-pyridylmethyl)amine ligand via four N atoms and further coordinated by one chloride ion and one bridging oxide O atom, giving a distorted octahedral coordination geometry.

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Supporting information

	Crystallographic Information File (CIF) https://doi.org/10.1107/S1600536807049665/is2216sup1.cif Contains datablocks global, I
	Structure factor file (CIF format) https://doi.org/10.1107/S1600536807049665/is2216Isup2.hkl Contains datablock I

CCDC reference: 1271179

checkCIF report

Key indicators

Single-crystal X-ray study
T = 293 K
Mean (C-C) = 0.004 Å
R factor = 0.029
wR factor = 0.107
Data-to-parameter ratio = 13.6

checkCIF/PLATON results

No syntax errors found



Alert level C
PLAT152_ALERT_1_C Supplied and Calc Volume s.u. Inconsistent .....          ?
PLAT154_ALERT_1_C The su's on the Cell Angles are Equal  (x 10000)       3000 Deg.
PLAT232_ALERT_2_C Hirshfeld Test Diff (M-X)  Fe1    -   Cl1     ..       5.19 su
PLAT244_ALERT_4_C Low   'Solvent' Ueq as Compared to Neighbors for         P1

Alert level G
PLAT199_ALERT_1_G Check the Reported _cell_measurement_temperature        293 K
PLAT200_ALERT_1_G Check the Reported _diffrn_ambient_temperature .        293 K
PLAT794_ALERT_5_G Check Predicted Bond Valency for Fe1         (3)       2.97

   0 ALERT level A = In general: serious problem
   0 ALERT level B = Potentially serious problem
   4 ALERT level C = Check and explain
   3 ALERT level G = General alerts; check

   4 ALERT type 1 CIF construction/syntax error, inconsistent or missing data
   1 ALERT type 2 Indicator that the structure model may be wrong or deficient
   0 ALERT type 3 Indicator that the structure quality may be low
   1 ALERT type 4 Improvement, methodology, query or suggestion
   1 ALERT type 5 Informative message, check

Comment top

In recent years, N-heterocycle ligands have been widely used as polydentate ligands which show various metal chelation reactions (Scapin et al., 1997; Okabe & Oya, 2000; Serre et al., 2005). In this paper, we report the structure of the title compound, (I).

As shown in Fig. 1, the Fe^III atom is chelated by the tetradentate ligand of tris(2-pyridylmethyl)amine via four N atoms, and further bonded by one chloride ion and one bridging oxygen atom. Along the axial site, two Fe^III atoms are linked into dimer via one oxygen atom (Fig. 2).

Related literature top

For related literature, see: Scapin et al. (1997); Okabe & Oya (2000); Serre et al. (2005).

Experimental top

A mixture of iron(III) trichloride (1 mmol) and tris(2-pyridylmethyl)amine (1 mmol) in 20 ml me thanol was refluxed for 2 h. The cooled solution was filterated and the filtrate was evaporated naturally at room temperature. Two days later, brown blocks of (I) were obtained with a yield of 10%. Anal. Calc. for C₃₆H₃₆Cl₂F₁₂Fe₂N₈OP₂: C 40.41, H 3.37, N 10.48%; Found: C 40.37, H 3.39, N 10.43%.

Structure description top

For related literature, see: Scapin et al. (1997); Okabe & Oya (2000); Serre et al. (2005).

Computing details top

Data collection: APEX2 (Bruker, 2004); cell refinement: SAINT-Plus (Bruker, 2001); data reduction: SAINT-Plus (Bruker, 2001); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: SHELXTL (Bruker, 2001); software used to prepare material for publication: SHELXTL (Bruker, 2001).

Figures top

	Fig. 1. The asymmetric unit of the title compound, drawn with 30% probability displacement ellipsoids for the non-hydrogen atoms.
	Fig. 2. The dinuclear Fe^III complex of the title compound. H atoms have been omitted.

µ-Oxido-bis{chlorido[tris(2-pyridylmethyl)amine]iron(III)} bis(hexafluoridophosphate) top

Crystal data top

[Fe₂Cl₂O(C₁₈H₁₈N₄)₂](PF₆)₂	Z = 1
M_r = 1069.27	F(000) = 540
Triclinic, P1	D_x = 1.695 Mg m⁻³
Hall symbol: -P 1	Mo Kα radiation, λ = 0.71073 Å
a = 8.5480 (17) Å	Cell parameters from 3903 reflections
b = 11.280 (2) Å	θ = 3.0–25.5°
c = 12.829 (3) Å	µ = 0.99 mm⁻¹
α = 115.49 (3)°	T = 293 K
β = 107.44 (3)°	Block, brown
γ = 91.52 (3)°	0.43 × 0.28 × 0.22 mm
V = 1047.7 (4) Å³

Data collection top

Bruker APEXII CCD area-detector diffractometer	3903 independent reflections
Radiation source: fine-focus sealed tube	3622 reflections with I > 2σ(I)
Graphite monochromator	R_int = 0.021
φ and ω scans	θ_max = 25.5°, θ_min = 3.0°
Absorption correction: multi-scan (SADABS; Bruker, 2001)	h = −8→10
T_min = 0.675, T_max = 0.811	k = −13→13
8741 measured reflections	l = −15→15

Refinement top

Refinement on F²	Primary atom site location: structure-invariant direct methods
Least-squares matrix: full	Secondary atom site location: difference Fourier map
R[F² > 2σ(F²)] = 0.029	Hydrogen site location: inferred from neighbouring sites
wR(F²) = 0.107	H-atom parameters constrained
S = 1.00	w = 1/[σ²(F_o²) + (0.0834P)² + 0.2007P] where P = (F_o² + 2F_c²)/3
3903 reflections	(Δ/σ)_max < 0.001
287 parameters	Δρ_max = 0.35 e Å⁻³
0 restraints	Δρ_min = −0.26 e Å⁻³

Crystal data top

[Fe₂Cl₂O(C₁₈H₁₈N₄)₂](PF₆)₂	γ = 91.52 (3)°
M_r = 1069.27	V = 1047.7 (4) Å³
Triclinic, P1	Z = 1
a = 8.5480 (17) Å	Mo Kα radiation
b = 11.280 (2) Å	µ = 0.99 mm⁻¹
c = 12.829 (3) Å	T = 293 K
α = 115.49 (3)°	0.43 × 0.28 × 0.22 mm
β = 107.44 (3)°

Data collection top

Bruker APEXII CCD area-detector diffractometer	3903 independent reflections
Absorption correction: multi-scan (SADABS; Bruker, 2001)	3622 reflections with I > 2σ(I)
T_min = 0.675, T_max = 0.811	R_int = 0.021
8741 measured reflections

Refinement top

R[F² > 2σ(F²)] = 0.029	0 restraints
wR(F²) = 0.107	H-atom parameters constrained
S = 1.00	Δρ_max = 0.35 e Å⁻³
3903 reflections	Δρ_min = −0.26 e Å⁻³
287 parameters

Special details top

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 (Å²) top

	x	y	z	U_iso*/U_eq
Fe1	1.03741 (3)	0.34679 (3)	0.39270 (2)	0.03262 (13)
C1	0.9133 (4)	0.5294 (2)	0.1545 (2)	0.0555 (6)
H1	0.8141	0.5476	0.1144	0.067*
C2	1.0635 (4)	0.5737 (3)	0.1516 (2)	0.0667 (8)
H2	1.0659	0.6246	0.1109	0.080*
C3	0.7462 (3)	0.1753 (2)	0.1448 (2)	0.0520 (6)
H3A	0.7443	0.2011	0.0815	0.062*
H3B	0.6367	0.1253	0.1211	0.062*
C4	1.2074 (4)	0.5439 (3)	0.2073 (3)	0.0668 (7)
H4	1.3081	0.5725	0.2041	0.080*
C5	1.2014 (3)	0.4705 (3)	0.2686 (2)	0.0558 (6)
H5	1.2994	0.4493	0.3069	0.067*
C6	0.9542 (4)	−0.1238 (2)	0.0605 (2)	0.0563 (6)
H6	0.9321	−0.2120	0.0001	0.068*
C7	1.1346 (3)	0.0609 (2)	0.2407 (2)	0.0483 (5)
H7	1.2380	0.0967	0.3031	0.058*
C8	0.8350 (3)	−0.0449 (2)	0.0586 (2)	0.0479 (5)
H8	0.7308	−0.0793	−0.0031	0.057*
C9	1.1065 (3)	−0.0703 (2)	0.1529 (2)	0.0559 (6)
H9	1.1894	−0.1217	0.1563	0.067*
C10	0.6720 (3)	0.2875 (2)	0.3311 (2)	0.0448 (5)
H10A	0.5634	0.2354	0.2732	0.054*
H10B	0.6561	0.3761	0.3820	0.054*
C11	0.7289 (3)	0.1177 (3)	0.5343 (2)	0.0550 (6)
H11	0.6661	0.0789	0.5631	0.066*
C12	0.9878 (3)	0.1900 (2)	0.53063 (19)	0.0408 (4)
H12	1.1033	0.1989	0.5572	0.049*
C13	0.9147 (3)	0.4569 (2)	0.21892 (17)	0.0419 (5)
C14	0.8988 (3)	0.1304 (2)	0.5744 (2)	0.0490 (5)
H14	0.9529	0.0995	0.6297	0.059*
C15	0.6513 (3)	0.1628 (2)	0.4510 (2)	0.0507 (5)
H15	0.5357	0.1526	0.4218	0.061*
C16	0.7606 (3)	0.4151 (2)	0.23721 (19)	0.0426 (5)
H16A	0.7431	0.4888	0.3056	0.051*
H16B	0.6645	0.3919	0.1640	0.051*
C17	0.7467 (2)	0.22294 (19)	0.41166 (19)	0.0376 (4)
C18	0.8712 (3)	0.0858 (2)	0.14890 (18)	0.0376 (4)
Cl1	1.31395 (6)	0.35084 (6)	0.48437 (5)	0.05048 (18)
F1	0.5830 (3)	0.6609 (2)	0.1918 (2)	0.1015 (7)
F2	0.6042 (3)	0.7201 (2)	0.04869 (17)	0.0865 (6)
F3	0.4872 (2)	0.8487 (2)	0.27954 (15)	0.0822 (5)
F4	0.7327 (2)	0.8614 (2)	0.24929 (18)	0.0928 (7)
F5	0.5110 (2)	0.90780 (17)	0.13816 (17)	0.0758 (5)
F6	0.36000 (19)	0.71100 (16)	0.08030 (14)	0.0660 (4)
N1	1.0560 (2)	0.42830 (18)	0.27430 (16)	0.0430 (4)
N2	0.7779 (2)	0.29828 (16)	0.26251 (15)	0.0373 (4)
N3	1.0195 (2)	0.13923 (16)	0.23996 (15)	0.0388 (4)
N4	0.9131 (2)	0.23558 (16)	0.45116 (15)	0.0359 (4)
O1	1.0000	0.5000	0.5000	0.0375 (4)
P1	0.54888 (7)	0.78429 (6)	0.16556 (5)	0.04801 (18)

Atomic displacement parameters (Å²) top

	U¹¹	U²²	U³³	U¹²	U¹³	U²³
Fe1	0.02598 (19)	0.03690 (19)	0.03504 (19)	0.00687 (11)	0.00891 (12)	0.01758 (13)
C1	0.0802 (18)	0.0457 (12)	0.0422 (12)	0.0145 (11)	0.0187 (11)	0.0230 (10)
C2	0.105 (2)	0.0507 (13)	0.0512 (14)	0.0005 (14)	0.0321 (14)	0.0270 (11)
C3	0.0475 (13)	0.0445 (11)	0.0411 (11)	0.0094 (10)	−0.0014 (9)	0.0106 (9)
C4	0.081 (2)	0.0650 (16)	0.0624 (15)	−0.0025 (14)	0.0340 (14)	0.0309 (13)
C5	0.0541 (14)	0.0630 (15)	0.0572 (14)	0.0042 (11)	0.0247 (11)	0.0303 (12)
C6	0.0718 (17)	0.0396 (11)	0.0564 (13)	0.0117 (10)	0.0302 (12)	0.0155 (10)
C7	0.0428 (12)	0.0498 (12)	0.0541 (13)	0.0145 (9)	0.0183 (10)	0.0241 (10)
C8	0.0520 (13)	0.0426 (11)	0.0436 (11)	0.0015 (9)	0.0160 (9)	0.0159 (9)
C9	0.0580 (15)	0.0516 (13)	0.0672 (15)	0.0246 (11)	0.0326 (12)	0.0273 (11)
C10	0.0268 (9)	0.0536 (12)	0.0556 (12)	0.0086 (8)	0.0088 (8)	0.0301 (10)
C11	0.0557 (14)	0.0597 (14)	0.0606 (14)	0.0039 (11)	0.0261 (11)	0.0336 (12)
C12	0.0378 (11)	0.0424 (10)	0.0424 (10)	0.0088 (8)	0.0112 (8)	0.0212 (8)
C13	0.0544 (13)	0.0383 (10)	0.0302 (9)	0.0091 (9)	0.0141 (8)	0.0136 (8)
C14	0.0553 (14)	0.0507 (12)	0.0479 (12)	0.0100 (10)	0.0176 (10)	0.0289 (10)
C15	0.0356 (12)	0.0546 (13)	0.0648 (14)	0.0052 (9)	0.0182 (10)	0.0294 (11)
C16	0.0445 (11)	0.0442 (11)	0.0380 (10)	0.0153 (9)	0.0083 (8)	0.0214 (9)
C17	0.0293 (9)	0.0367 (9)	0.0429 (10)	0.0050 (7)	0.0115 (8)	0.0157 (8)
C18	0.0387 (10)	0.0392 (10)	0.0361 (9)	0.0050 (8)	0.0134 (8)	0.0181 (8)
Cl1	0.0289 (3)	0.0560 (3)	0.0553 (3)	0.0120 (2)	0.0086 (2)	0.0194 (3)
F1	0.0956 (15)	0.1158 (16)	0.158 (2)	0.0535 (13)	0.0633 (15)	0.1043 (16)
F2	0.0924 (13)	0.0893 (12)	0.0793 (11)	0.0075 (10)	0.0537 (10)	0.0245 (10)
F3	0.0766 (12)	0.1077 (14)	0.0562 (9)	0.0051 (10)	0.0312 (8)	0.0274 (9)
F4	0.0410 (9)	0.1444 (19)	0.0804 (12)	−0.0076 (10)	0.0008 (8)	0.0552 (12)
F5	0.0739 (11)	0.0658 (10)	0.0922 (12)	0.0048 (8)	0.0181 (9)	0.0476 (9)
F6	0.0484 (8)	0.0654 (9)	0.0676 (9)	−0.0062 (7)	0.0112 (7)	0.0228 (7)
N1	0.0468 (10)	0.0444 (9)	0.0411 (9)	0.0069 (8)	0.0173 (7)	0.0214 (7)
N2	0.0316 (8)	0.0391 (8)	0.0376 (8)	0.0087 (7)	0.0065 (6)	0.0178 (7)
N3	0.0356 (9)	0.0411 (9)	0.0406 (9)	0.0097 (7)	0.0135 (7)	0.0191 (7)
N4	0.0304 (8)	0.0377 (8)	0.0397 (8)	0.0072 (6)	0.0109 (7)	0.0187 (7)
O1	0.0333 (10)	0.0385 (10)	0.0382 (10)	0.0076 (8)	0.0095 (8)	0.0172 (8)
P1	0.0379 (3)	0.0613 (4)	0.0485 (3)	0.0062 (3)	0.0134 (2)	0.0296 (3)

Geometric parameters (Å, º) top

Fe1—O1	1.7969 (7)	C10—N2	1.474 (3)
Fe1—N4	2.1173 (18)	C10—C17	1.511 (3)
Fe1—N1	2.1254 (19)	C10—H10A	0.9700
Fe1—N2	2.2223 (19)	C10—H10B	0.9700
Fe1—N3	2.2798 (19)	C11—C14	1.368 (4)
Fe1—Cl1	2.2923 (9)	C11—C15	1.379 (4)
C1—C2	1.382 (4)	C11—H11	0.9300
C1—C13	1.388 (3)	C12—N4	1.338 (3)
C1—H1	0.9300	C12—C14	1.378 (3)
C2—C4	1.356 (5)	C12—H12	0.9300
C2—H2	0.9300	C13—N1	1.331 (3)
C3—N2	1.487 (3)	C13—C16	1.503 (3)
C3—C18	1.494 (3)	C14—H14	0.9300
C3—H3A	0.9700	C15—C17	1.376 (3)
C3—H3B	0.9700	C15—H15	0.9300
C4—C5	1.374 (4)	C16—N2	1.488 (3)
C4—H4	0.9300	C16—H16A	0.9700
C5—N1	1.352 (3)	C16—H16B	0.9700
C5—H5	0.9300	C17—N4	1.340 (3)
C6—C9	1.372 (4)	C18—N3	1.343 (3)
C6—C8	1.372 (4)	F1—P1	1.581 (2)
C6—H6	0.9300	F2—P1	1.5824 (18)
C7—N3	1.340 (3)	F3—P1	1.5847 (18)
C7—C9	1.379 (3)	F4—P1	1.5782 (19)
C7—H7	0.9300	F5—P1	1.5959 (17)
C8—C18	1.380 (3)	F6—P1	1.6059 (17)
C8—H8	0.9300	O1—Fe1ⁱ	1.7969 (7)
C9—H9	0.9300

O1—Fe1—N4	90.93 (5)	N4—C12—H12	119.0
O1—Fe1—N1	92.68 (5)	C14—C12—H12	119.0
N4—Fe1—N1	154.66 (7)	N1—C13—C1	121.1 (2)
O1—Fe1—N2	91.68 (6)	N1—C13—C16	116.61 (18)
N4—Fe1—N2	78.42 (7)	C1—C13—C16	122.2 (2)
N1—Fe1—N2	76.41 (7)	C11—C14—C12	118.3 (2)
O1—Fe1—N3	166.76 (5)	C11—C14—H14	120.8
N4—Fe1—N3	82.06 (7)	C12—C14—H14	120.8
N1—Fe1—N3	89.03 (7)	C17—C15—C11	119.2 (2)
N2—Fe1—N3	75.96 (7)	C17—C15—H15	120.4
O1—Fe1—Cl1	103.05 (5)	C11—C15—H15	120.4
N4—Fe1—Cl1	103.64 (5)	N2—C16—C13	110.29 (17)
N1—Fe1—Cl1	99.94 (6)	N2—C16—H16A	109.6
N2—Fe1—Cl1	165.03 (5)	C13—C16—H16A	109.6
N3—Fe1—Cl1	89.56 (6)	N2—C16—H16B	109.6
C2—C1—C13	118.2 (3)	C13—C16—H16B	109.6
C2—C1—H1	120.9	H16A—C16—H16B	108.1
C13—C1—H1	120.9	N4—C17—C15	120.9 (2)
C1—C2—C4	120.7 (2)	N4—C17—C10	116.74 (18)
C1—C2—H2	119.6	C15—C17—C10	122.17 (19)
C4—C2—H2	119.6	N3—C18—C8	122.3 (2)
N2—C3—C18	114.64 (17)	N3—C18—C3	117.46 (18)
N2—C3—H3A	108.6	C8—C18—C3	120.20 (19)
C18—C3—H3A	108.6	C13—N1—C5	119.9 (2)
N2—C3—H3B	108.6	C13—N1—Fe1	114.83 (15)
C18—C3—H3B	108.6	C5—N1—Fe1	124.38 (17)
H3A—C3—H3B	107.6	C10—N2—C3	112.59 (18)
C5—C4—C2	118.7 (3)	C10—N2—C16	112.68 (16)
C5—C4—H4	120.7	C3—N2—C16	109.10 (17)
C2—C4—H4	120.7	C10—N2—Fe1	104.81 (12)
N1—C5—C4	121.4 (3)	C3—N2—Fe1	113.27 (13)
N1—C5—H5	119.3	C16—N2—Fe1	104.09 (12)
C4—C5—H5	119.3	C7—N3—C18	117.61 (18)
C9—C6—C8	118.9 (2)	C7—N3—Fe1	126.10 (15)
C9—C6—H6	120.5	C18—N3—Fe1	115.74 (14)
C8—C6—H6	120.5	C12—N4—C17	119.66 (18)
N3—C7—C9	123.0 (2)	C12—N4—Fe1	125.24 (14)
N3—C7—H7	118.5	C17—N4—Fe1	114.81 (14)
C9—C7—H7	118.5	Fe1—O1—Fe1ⁱ	180.000 (17)
C18—C8—C6	119.4 (2)	F3—P1—F1	90.06 (13)
C18—C8—H8	120.3	F3—P1—F4	91.04 (11)
C6—C8—H8	120.3	F1—P1—F4	91.70 (14)
C6—C9—C7	118.8 (2)	F3—P1—F2	177.94 (12)
C6—C9—H9	120.6	F1—P1—F2	91.05 (12)
C7—C9—H9	120.6	F4—P1—F2	90.66 (12)
N2—C10—C17	112.31 (17)	F3—P1—F5	89.67 (11)
N2—C10—H10A	109.1	F1—P1—F5	178.99 (11)
C17—C10—H10A	109.1	F4—P1—F5	89.27 (12)
N2—C10—H10B	109.1	F2—P1—F5	89.19 (12)
C17—C10—H10B	109.1	F3—P1—F6	88.48 (10)
H10A—C10—H10B	107.9	F1—P1—F6	90.43 (12)
C14—C11—C15	119.8 (2)	F4—P1—F6	177.81 (12)
C14—C11—H11	120.1	F2—P1—F6	89.78 (10)
C15—C11—H11	120.1	F5—P1—F6	88.59 (10)
N4—C12—C14	122.0 (2)

Symmetry code: (i) −x+2, −y+1, −z+1.

Experimental details

Crystal data
Chemical formula	[Fe₂Cl₂O(C₁₈H₁₈N₄)₂](PF₆)₂
M_r	1069.27
Crystal system, space group	Triclinic, P1
Temperature (K)	293
a, b, c (Å)	8.5480 (17), 11.280 (2), 12.829 (3)
α, β, γ (°)	115.49 (3), 107.44 (3), 91.52 (3)
V (Å³)	1047.7 (4)
Z	1
Radiation type	Mo Kα
µ (mm⁻¹)	0.99
Crystal size (mm)	0.43 × 0.28 × 0.22

Data collection
Diffractometer	Bruker APEXII CCD area-detector
Absorption correction	Multi-scan (SADABS; Bruker, 2001)
T_min, T_max	0.675, 0.811
No. of measured, independent and observed [I > 2σ(I)] reflections	8741, 3903, 3622
R_int	0.021
(sin θ/λ)_max (Å⁻¹)	0.606

Refinement
R[F² > 2σ(F²)], wR(F²), S	0.029, 0.107, 1.00
No. of reflections	3903
No. of parameters	287
H-atom treatment	H-atom parameters constrained
Δρ_max, Δρ_min (e Å⁻³)	0.35, −0.26

Computer programs: APEX2 (Bruker, 2004), SAINT-Plus (Bruker, 2001), SHELXS97 (Sheldrick, 1997), SHELXL97 (Sheldrick, 1997), SHELXTL (Bruker, 2001).

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Retracted: μ-Oxido-bis­{chlorido[tris­(2-pyridylmeth­yl)­amine]iron(III)} bis­(hexa­fluorido­phos­phate)