Bis[5-bromo-1H-indole-3-carbaldehyde (2-nitro­benzo­yl)hydrazonato-κ²N,O]bis­(pyridine-κN)nickel(II) pyridine disolvate

The Ni atom in the crystal structure of the title compound, [Ni(C₅H₅N)₂(C₁₆H₁₀BrN₄O₃)₂]·2C₅H₅N, lies on a special position of site symmetry 2 in an all-cis octa­hedral geometry.

Key indicators

• Single-crystal X-ray study
• T = 295 K
• Mean [sigma](C-C) = 0.004 Å
• R factor = 0.038
• wR factor = 0.111
• Data-to-parameter ratio = 17.7

checkCIF/PLATON results

No syntax errors found



Alert level B
ABSTM02_ALERT_3_B  The ratio of expected to reported Tmax/Tmin(RR') is < 0.75
            Tmin and Tmax reported:      0.334     0.729
            Tmin(prime) and Tmax expected:      0.473     0.714
            RR(prime) =      0.692
            Please check that your absorption correction is appropriate.
PLAT061_ALERT_3_B Tmax/Tmin Range Test RR' too Large .............       0.67

Alert level C
PLAT042_ALERT_1_C Calc. and Rep. MoietyFormula Strings Differ ....          ?
PLAT062_ALERT_4_C Rescale T(min) & T(max) by .....................       0.98
PLAT220_ALERT_2_C Large Non-Solvent    C     Ueq(max)/Ueq(min) ...       2.60 Ratio
PLAT220_ALERT_2_C Large Non-Solvent    O     Ueq(max)/Ueq(min) ...       2.51 Ratio
PLAT242_ALERT_2_C Check Low       Ueq as Compared to Neighbors for         N1
PLAT601_ALERT_2_C Structure Contains Solvent Accessible VOIDS of .      63.00 A   3  

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

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

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Computing details

Data collection: RAPID-AUTO (Rigaku, 1998); cell refinement: RAPID-AUTO; data reduction: CrystalStructure (Rigaku/MSC, 2002); program(s) used to solve structure: SHELXS97 (Sheldrick, 1997); program(s) used to refine structure: SHELXL97 (Sheldrick, 1997); molecular graphics: ORTEPII (Johnson, 1976); software used to prepare material for publication: SHELXL97.

Bis[5-bromo-1H-indole-3-carbaldehyde (2-nitrobenzoyl)hydrazonato- κ²N,O]bis(pyridine-κN)nickel(II) pyridine disolvate

Crystal data

[Ni(C5H5N)2(C16H10BrN4O3)2]·2C5H5N	F(000) = 2328
Mr = 1147.49	Dx = 1.474 Mg m^−3
Monoclinic, C2/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -C 2yc	Cell parameters from 16510 reflections
a = 19.369 (3) Å	θ = 3.1–27.5°
b = 15.515 (2) Å	µ = 1.98 mm^−1
c = 17.246 (3) Å	T = 295 K
β = 93.72 (1)°	Block, red
V = 5171.7 (14) Å^3	0.37 × 0.25 × 0.17 mm
Z = 4

Data collection

Rigaku R-AXIS RAPID diffractometer	5907 independent reflections
Radiation source: fine-focus sealed tube	4302 reflections with I > 2σ(I)
Graphite monochromator	Rint = 0.030
Detector resolution: 10 pixels mm^-1	θmax = 27.5°, θmin = 3.1°
ω scans	h = −25→25
Absorption correction: multi-scan (ABSCOR; Higashi, 1995)	k = −20→20
Tmin = 0.334, Tmax = 0.729	l = −22→22
24781 measured reflections

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)] = 0.038	Hydrogen site location: inferred from neighbouring sites
wR(F^2) = 0.111	H atoms treated by a mixture of independent and constrained refinement
S = 1.05	w = 1/[σ^2(Fo^2) + (0.06P)^2 + 1.7544P] where P = (Fo^2 + 2Fc^2)/3
5907 reflections	(Δ/σ)max = 0.001
334 parameters	Δρmax = 0.51 e Å^−3
1 restraint	Δρmin = −0.54 e Å^−3

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

	x	y	z	Uiso*/Ueq
Br1	0.20177 (2)	0.10677 (2)	0.49707 (2)	0.0767 (1)
Ni1	0.5000	0.38859 (2)	0.7500	0.0315 (1)
O1	0.60513 (7)	0.37789 (9)	0.7516 (1)	0.0386 (3)
O2	0.6774 (1)	0.3175 (2)	0.5446 (1)	0.0879 (8)
O3	0.6955 (1)	0.1803 (2)	0.5421 (1)	0.0970 (9)
N1	0.6978 (1)	0.2509 (2)	0.5740 (1)	0.0599 (6)
N2	0.5807 (1)	0.2690 (1)	0.6611 (1)	0.0363 (4)
N3	0.5124 (1)	0.2951 (1)	0.6671 (1)	0.0342 (4)
N4	0.5069 (1)	0.1069 (1)	0.4705 (1)	0.0535 (5)
N5	0.4944 (1)	0.4870 (1)	0.6652 (1)	0.0425 (4)
N6	0.6018 (1)	0.0269 (2)	0.3680 (1)	0.0619 (6)
C1	0.7312 (1)	0.2547 (2)	0.6530 (1)	0.042 (1)
C2	0.7981 (1)	0.2257 (2)	0.6611 (2)	0.057 (1)
C3	0.8337 (1)	0.2331 (2)	0.7327 (2)	0.068 (1)
C4	0.8019 (1)	0.2692 (2)	0.7936 (2)	0.065 (1)
C5	0.7344 (1)	0.2976 (2)	0.7838 (2)	0.051 (1)
C6	0.6967 (1)	0.2901 (1)	0.7132 (1)	0.037 (1)
C7	0.6219 (1)	0.3163 (1)	0.7077 (1)	0.033 (1)
C8	0.4653 (1)	0.2584 (1)	0.6224 (1)	0.036 (1)
C9	0.4704 (1)	0.1959 (1)	0.5619 (1)	0.038 (1)
C10	0.5272 (1)	0.1625 (2)	0.5281 (1)	0.047 (1)
C11	0.4363 (1)	0.1006 (2)	0.4652 (1)	0.048 (1)
C12	0.3931 (2)	0.0485 (2)	0.4182 (2)	0.063 (1)
C13	0.3233 (2)	0.0519 (2)	0.4281 (2)	0.064 (1)
C14	0.2983 (1)	0.1064 (2)	0.4837 (2)	0.053 (1)
C15	0.3401 (1)	0.1586 (1)	0.5305 (1)	0.044 (1)
C16	0.4108 (1)	0.1558 (1)	0.5213 (1)	0.040 (1)
C17	0.5465 (1)	0.5404 (2)	0.6546 (2)	0.064 (1)
C18	0.5411 (2)	0.6067 (2)	0.6007 (2)	0.087 (1)
C19	0.4805 (2)	0.6165 (2)	0.5557 (2)	0.087 (1)
C20	0.4275 (2)	0.5621 (2)	0.5662 (2)	0.077 (1)
C21	0.4367 (1)	0.4990 (2)	0.6212 (2)	0.058 (1)
C22	0.5811 (2)	−0.0331 (2)	0.3175 (2)	0.067 (1)
C23	0.6244 (2)	−0.0751 (2)	0.2699 (2)	0.079 (1)
C24	0.6925 (2)	−0.0525 (2)	0.2759 (2)	0.088 (1)
C25	0.7155 (2)	0.0093 (2)	0.3281 (2)	0.082 (1)
C26	0.6684 (2)	0.0466 (2)	0.3729 (2)	0.069 (1)
H4n	0.536 (1)	0.081 (2)	0.443 (2)	0.065 (8)*
H2	0.8190	0.2015	0.6192	0.068*
H3	0.8792	0.2137	0.7396	0.082*
H4	0.8260	0.2745	0.8418	0.078*
H5	0.7137	0.3223	0.8257	0.061*
H8	0.4203	0.2754	0.6308	0.043*
H10	0.5729	0.1762	0.5429	0.056*
H12	0.4108	0.0125	0.3811	0.075*
H13	0.2929	0.0178	0.3976	0.077*
H15	0.3218	0.1946	0.5671	0.052*
H17	0.5879	0.5331	0.6843	0.077*
H18	0.5780	0.6441	0.5952	0.104*
H19	0.4760	0.6599	0.5185	0.104*
H20	0.3857	0.5675	0.5368	0.092*
H21	0.3999	0.4619	0.6281	0.069*
H22	0.5345	−0.0478	0.3138	0.080*
H23	0.6078	−0.1173	0.2352	0.095*
H24	0.7235	−0.0790	0.2444	0.106*
H25	0.7618	0.0253	0.3329	0.099*
H26	0.6839	0.0881	0.4089	0.083*

Atomic displacement parameters (Ų)

	U^11	U^22	U^33	U^12	U^13	U^23
Br1	0.04494 (17)	0.0973 (3)	0.0854 (3)	−0.0151 (1)	−0.0156 (2)	0.0021 (2)
Ni1	0.02697 (18)	0.0346 (2)	0.0330 (2)	0.000	0.0019 (1)	0.000
O1	0.030 (1)	0.043 (1)	0.043 (1)	−0.0001 (6)	0.002 (1)	−0.009 (1)
O2	0.057 (1)	0.147 (2)	0.060 (1)	0.007 (1)	0.007 (1)	0.041 (1)
O3	0.057 (1)	0.148 (2)	0.088 (2)	−0.005 (1)	0.014 (1)	−0.066 (2)
N1	0.033 (1)	0.103 (2)	0.046 (1)	−0.003 (1)	0.015 (1)	−0.010 (1)
N2	0.029 (1)	0.042 (1)	0.038 (1)	0.001 (1)	0.005 (1)	−0.004 (1)
N3	0.030 (1)	0.037 (1)	0.036 (1)	−0.002 (1)	0.006 (1)	−0.001 (1)
N4	0.052 (1)	0.055 (1)	0.054 (1)	0.003 (1)	0.008 (1)	−0.019 (1)
N5	0.045 (1)	0.040 (1)	0.043 (1)	−0.004 (1)	0.004 (1)	0.003 (1)
N6	0.076 (2)	0.054 (1)	0.056 (1)	0.008 (1)	0.011 (1)	−0.005 (1)
C1	0.034 (1)	0.050 (1)	0.042 (1)	0.000 (1)	0.006 (1)	0.001 (1)
C2	0.043 (1)	0.068 (2)	0.062 (2)	0.009 (1)	0.014 (1)	−0.005 (1)
C3	0.039 (1)	0.089 (2)	0.076 (2)	0.020 (1)	−0.001 (1)	0.004 (2)
C4	0.044 (1)	0.093 (2)	0.057 (2)	0.012 (1)	−0.011 (1)	−0.002 (2)
C5	0.040 (1)	0.064 (2)	0.047 (1)	0.004 (1)	−0.003 (1)	−0.005 (1)
C6	0.030 (1)	0.040 (1)	0.042 (1)	−0.002 (1)	0.004 (1)	0.001 (1)
C7	0.030 (1)	0.039 (1)	0.032 (1)	0.000 (1)	0.005 (1)	0.003 (1)
C8	0.032 (1)	0.040 (1)	0.037 (1)	−0.004 (1)	0.004 (1)	−0.001 (1)
C9	0.038 (1)	0.037 (1)	0.039 (1)	−0.006 (1)	0.003 (1)	−0.001 (1)
C10	0.043 (1)	0.047 (1)	0.051 (1)	−0.006 (1)	0.003 (1)	−0.010 (1)
C11	0.054 (1)	0.044 (1)	0.044 (1)	−0.001 (1)	−0.004 (1)	−0.007 (1)
C12	0.069 (2)	0.061 (2)	0.056 (2)	−0.001 (1)	−0.009 (1)	−0.021 (1)
C13	0.068 (2)	0.061 (2)	0.061 (2)	−0.012 (1)	−0.019 (1)	−0.015 (1)
C14	0.047 (1)	0.059 (2)	0.053 (2)	−0.009 (1)	−0.011 (1)	0.002 (1)
C15	0.043 (1)	0.046 (1)	0.041 (1)	−0.003 (1)	−0.004 (1)	0.002 (1)
C16	0.043 (1)	0.040 (1)	0.036 (1)	−0.003 (1)	−0.001 (1)	0.001 (1)
C17	0.052 (1)	0.062 (2)	0.079 (2)	−0.013 (1)	0.013 (1)	0.014 (1)
C18	0.088 (2)	0.069 (2)	0.108 (3)	−0.021 (2)	0.035 (2)	0.028 (2)
C19	0.109 (3)	0.068 (2)	0.085 (2)	0.008 (2)	0.019 (2)	0.037 (2)
C20	0.089 (2)	0.066 (2)	0.074 (2)	0.000 (2)	−0.010 (2)	0.029 (2)
C21	0.057 (2)	0.056 (2)	0.059 (2)	−0.009 (1)	−0.011 (1)	0.016 (1)
C22	0.081 (2)	0.063 (2)	0.056 (2)	0.002 (2)	−0.007 (1)	0.006 (1)
C23	0.136 (3)	0.053 (2)	0.048 (2)	0.020 (2)	−0.004 (2)	−0.005 (1)
C24	0.128 (3)	0.070 (2)	0.071 (2)	0.039 (2)	0.039 (2)	0.015 (2)
C25	0.082 (2)	0.072 (2)	0.095 (3)	0.004 (2)	0.026 (2)	0.021 (2)
C26	0.086 (2)	0.051 (2)	0.071 (2)	−0.005 (2)	0.007 (2)	−0.003 (1)

Geometric parameters (Å, º)

Br1—C14	1.899 (3)	C12—C13	1.375 (4)
Ni1—O1	2.042 (1)	C13—C14	1.389 (4)
Ni1—O1^i	2.042 (1)	C14—C15	1.370 (3)
Ni1—N3	2.061 (2)	C15—C16	1.390 (3)
Ni1—N3^i	2.061 (2)	C17—C18	1.386 (4)
Ni1—N5	2.113 (2)	C18—C19	1.373 (5)
Ni1—N5^i	2.113 (2)	C19—C20	1.350 (5)
O1—C7	1.274 (2)	C20—C21	1.367 (4)
O2—N1	1.207 (3)	C22—C23	1.374 (5)
O3—N1	1.225 (3)	C23—C24	1.364 (5)
N1—C1	1.471 (3)	C24—C25	1.370 (5)
N2—C7	1.317 (3)	C25—C26	1.361 (4)
N2—N3	1.393 (2)	N4—H4n	0.86 (3)
N3—C8	1.288 (3)	C10—H10	0.93
N4—C10	1.355 (3)	C2—H2	0.93
N4—C11	1.368 (3)	C3—H3	0.93
N5—C21	1.322 (3)	C4—H4	0.93
N5—C17	1.327 (3)	C5—H5	0.93
N6—C22	1.319 (4)	C8—H8	0.93
N6—C26	1.323 (4)	C12—H12	0.93
C10—C9	1.378 (3)	C13—H13	0.93
C1—C2	1.370 (3)	C15—H15	0.93
C1—C6	1.385 (3)	C17—H17	0.93
C2—C3	1.380 (4)	C18—H18	0.93
C3—C4	1.371 (4)	C19—H19	0.93
C4—C5	1.380 (3)	C20—H20	0.93
C5—C6	1.384 (3)	C21—H21	0.93
C6—C7	1.501 (3)	C22—H22	0.93
C8—C9	1.434 (3)	C23—H23	0.93
C9—C16	1.450 (3)	C24—H24	0.93
C11—C12	1.387 (3)	C25—H25	0.93
C11—C16	1.406 (3)	C26—H26	0.93
O1—Ni1—O1^i	170.7 (1)	C15—C16—C11	119.4 (2)
O1—Ni1—N3	77.9 (1)	C15—C16—C9	133.7 (2)
O1—Ni1—N3^i	95.4 (1)	C11—C16—C9	106.8 (2)
O1—Ni1—N5	94.3 (1)	N5—C17—C18	122.0 (3)
O1—Ni1—N5^i	92.5 (1)	C19—C18—C17	119.1 (3)
N3—Ni1—N3^i	90.6 (1)	C20—C19—C18	118.9 (3)
N3—Ni1—N5	91.8 (1)	C19—C20—C21	118.4 (3)
N3—Ni1—N5^i	170.3 (1)	N5—C21—C20	124.5 (3)
N5—Ni1—N5^i	87.42 (6)	N6—C22—C23	123.9 (3)
C7—O1—Ni1	110.2 (1)	C24—C23—C22	117.2 (3)
O2—N1—O3	125.1 (3)	C23—C24—C25	120.1 (3)
O2—N1—C1	117.8 (3)	C26—C25—C24	118.0 (3)
O3—N1—C1	117.0 (3)	N6—C26—C25	123.4 (3)
C7—N2—N3	109.5 (2)	C10—N4—H4n	122 (2)
C8—N3—N2	117.8 (2)	C11—N4—H4n	128 (2)
C8—N3—Ni1	128.0 (1)	C1—C2—H2	120.7
N2—N3—Ni1	114.2 (1)	C3—C2—H2	120.7
C10—N4—C11	109.5 (2)	C4—C3—H3	120.2
C21—N5—C17	117.1 (2)	C2—C3—H3	120.2
C21—N5—Ni1	120.1 (2)	C3—C4—H4	119.8
C17—N5—Ni1	122.7 (2)	C5—C4—H4	119.8
C22—N6—C26	117.3 (3)	C4—C5—H5	119.3
N4—C10—C9	110.4 (2)	C6—C5—H5	119.3
N4—C10—H10	124.8	N3—C8—H8	114.5
C9—C10—H10	124.8	C9—C8—H8	114.5
C2—C1—C6	123.6 (2)	C13—C12—H12	121.1
C2—C1—N1	115.9 (2)	C11—C12—H12	121.1
C6—C1—N1	120.4 (2)	C12—C13—H13	120.0
C1—C2—C3	118.6 (2)	C14—C13—H13	120.0
C4—C3—C2	119.7 (2)	C14—C15—H15	121.2
C3—C4—C5	120.5 (2)	C16—C15—H15	121.2
C4—C5—C6	121.5 (2)	N5—C17—H17	119.0
C5—C6—C1	116.1 (2)	C18—C17—H17	119.0
C5—C6—C7	119.0 (2)	C19—C18—H18	120.4
C1—C6—C7	124.8 (2)	C17—C18—H18	120.4
O1—C7—N2	127.8 (2)	C20—C19—H19	120.5
O1—C7—C6	116.5 (2)	C18—C19—H19	120.5
N2—C7—C6	115.6 (2)	C19—C20—H20	120.8
N3—C8—C9	130.9 (2)	C21—C20—H20	120.8
C10—C9—C8	131.1 (2)	N5—C21—H21	117.8
C10—C9—C16	105.5 (2)	C20—C21—H21	117.8
C8—C9—C16	123.4 (2)	N6—C22—H22	118.1
N4—C11—C12	130.0 (2)	C23—C22—H22	118.1
N4—C11—C16	107.8 (2)	C24—C23—H23	121.4
C12—C11—C16	122.2 (2)	C22—C23—H23	121.4
C13—C12—C11	117.7 (3)	C23—C24—H24	120.0
C12—C13—C14	120.0 (2)	C25—C24—H24	120.0
C15—C14—C13	123.2 (2)	C26—C25—H25	121.0
C15—C14—Br1	118.3 (2)	C24—C25—H25	121.0
C13—C14—Br1	118.4 (2)	N6—C26—H26	118.3
C14—C15—C16	117.5 (2)	C25—C26—H26	118.3
N3—Ni1—O1—C7	−5.8 (1)	C1—C6—C7—O1	−150.9 (2)
N3^i—Ni1—O1—C7	83.7 (1)	C5—C6—C7—N2	−143.9 (2)
N5^i—Ni1—O1—C7	175.7 (1)	C1—C6—C7—N2	32.9 (3)
N5—Ni1—O1—C7	−96.7 (1)	N2—N3—C8—C9	−3.8 (3)
C7—N2—N3—C8	176.6 (2)	Ni1—N3—C8—C9	177.3 (2)
C7—N2—N3—Ni1	−4.3 (2)	N4—C10—C9—C8	−177.6 (2)
O1^i—Ni1—N3—C8	11.2 (2)	N4—C10—C9—C16	0.7 (3)
O1—Ni1—N3—C8	−175.5 (2)	N3—C8—C9—C10	−7.3 (4)
N3^i—Ni1—N3—C8	89.1 (2)	N3—C8—C9—C16	174.7 (2)
N5—Ni1—N3—C8	−81.5 (2)	C10—N4—C11—C12	−176.0 (3)
O1^i—Ni1—N3—N2	−167.7 (1)	C10—N4—C11—C16	1.0 (3)
O1—Ni1—N3—N2	5.6 (1)	N4—C11—C12—C13	176.4 (3)
N3^i—Ni1—N3—N2	−89.8 (1)	C16—C11—C12—C13	−0.3 (4)
N5—Ni1—N3—N2	99.6 (1)	C11—C12—C13—C14	0.1 (4)
O1^i—Ni1—N5—C21	−17.7 (2)	C12—C13—C14—C15	0.1 (4)
O1—Ni1—N5—C21	155.9 (2)	C12—C13—C14—Br1	−178.4 (2)
N3—Ni1—N5—C21	77.8 (2)	C13—C14—C15—C16	−0.2 (4)
N5^i—Ni1—N5—C21	−111.8 (2)	Br1—C14—C15—C16	178.3 (2)
O1^i—Ni1—N5—C17	160.5 (2)	C14—C15—C16—C11	0.1 (3)
O1—Ni1—N5—C17	−26.0 (2)	C14—C15—C16—C9	−175.4 (2)
N3—Ni1—N5—C17	−104.0 (2)	N4—C11—C16—C15	−177.1 (2)
N5^i—Ni1—N5—C17	66.3 (2)	C12—C11—C16—C15	0.2 (4)
C11—N4—C10—C9	−1.1 (3)	N4—C11—C16—C9	−0.5 (3)
O2—N1—C1—C2	−120.4 (3)	C12—C11—C16—C9	176.8 (2)
O3—N1—C1—C2	56.7 (3)	C10—C9—C16—C15	175.8 (2)
O2—N1—C1—C6	56.5 (3)	C8—C9—C16—C15	−5.7 (4)
O3—N1—C1—C6	−126.4 (2)	C10—C9—C16—C11	−0.1 (3)
C6—C1—C2—C3	−1.0 (4)	C8—C9—C16—C11	178.4 (2)
N1—C1—C2—C3	175.7 (3)	C21—N5—C17—C18	0.7 (4)
C1—C2—C3—C4	−0.1 (5)	Ni1—N5—C17—C18	−177.5 (2)
C2—C3—C4—C5	0.4 (5)	N5—C17—C18—C19	−1.4 (5)
C3—C4—C5—C6	0.5 (5)	C17—C18—C19—C20	1.2 (6)
C4—C5—C6—C1	−1.6 (4)	C18—C19—C20—C21	−0.5 (6)
C4—C5—C6—C7	175.6 (2)	C17—N5—C21—C20	0.0 (4)
C2—C1—C6—C5	1.8 (4)	Ni1—N5—C21—C20	178.3 (3)
N1—C1—C6—C5	−174.7 (2)	C19—C20—C21—N5	−0.2 (5)
C2—C1—C6—C7	−175.1 (2)	C26—N6—C22—C23	−0.5 (4)
N1—C1—C6—C7	8.3 (3)	N6—C22—C23—C24	−0.2 (5)
Ni1—O1—C7—N2	6.0 (3)	C22—C23—C24—C25	0.6 (5)
Ni1—O1—C7—C6	−169.7 (1)	C23—C24—C25—C26	−0.2 (5)
N3—N2—C7—O1	−1.2 (3)	C22—N6—C26—C25	1.0 (4)
N3—N2—C7—C6	174.5 (2)	C24—C25—C26—N6	−0.7 (5)
C5—C6—C7—O1	32.2 (3)

Symmetry code: (i) −x+1, y, −z+3/2.

Hydrogen-bond geometry (Å, º)

D—H···A	D—H	H···A	D···A	D—H···A
N4—H4n···N6	0.86 (3)	2.05 (3)	2.909 (3)	174 (3)