{2,2′-[Cyclo­hexane-1,2-diylbis(nitrilo­methyl­idyne)]diphenolato}nickel(II)

Tang, C.

doi:10.1107/S1600536809006084

Volume 65
Part 3
Page m317
March 2009

Received 11 February 2009
Accepted 19 February 2009
Online 25 February 2009

Key indicators
Single-crystal X-ray study
T = 298 K
Mean (C-C) = 0.003 Å
R = 0.027
wR = 0.069
Data-to-parameter ratio = 16.2
Details

{2,2'-[Cyclohexane-1,2-diylbis(nitrilomethylidyne)]diphenolato}nickel(II)

Chunbao Tang ^a ^*

^aDepartment of Chemistry, Jiaying University, Meizhou 514015, People's Republic of China
Correspondence e-mail: chunbao_tang@126.com

In the title mononuclear nickel(II) complex, [Ni(C₂₀H₂₀N₂O₂)], the Ni atom is four-coordinated in a square-planar geometry by the four donor atoms of the Schiff base ligand. The dihedral angle between the two benzene rings is 9.4 (2)°. The cyclohexyl group adopts a C-form chair conformation.

Related literature

For nickel(II) complexes in bio-inorganic chemistry and coordination chemistry, see: Angulo et al. (2001); Dey et al. (2004); Edison et al. (2004); Ramadevi et al. (2005); Suh et al. (1996). For puckering parameters, see: Cremer & Pople (1975).

Experimental

Crystal data

[Ni(C₂₀H₂₀N₂O₂)]
M_r = 379.09
Monoclinic, P 2₁ /c
a = 7.6193 (8) Å
b = 19.118 (2) Å
c = 11.5459 (12) Å
= 90.907 (1)°
V = 1681.6 (3) Å³
Z = 4
Mo K radiation
= 1.17 mm^-1
T = 298 K
0.30 × 0.30 × 0.28 mm

Data collection

Bruker SMART CCD area-detector diffractometer
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) T_min = 0.721, T_max = 0.735
9694 measured reflections
3650 independent reflections
3023 reflections with I > 2(I)
R_int = 0.022

Refinement

R[F² > 2(F²)] = 0.027
wR(F²) = 0.069
S = 1.05
3650 reflections
226 parameters
H-atom parameters constrained
_max = 0.29 e Å^-3
_min = -0.22 e Å^-3

Table 1
Selected geometric parameters (Å, °)

Ni1-O1	1.8897 (12)
Ni1-O2	1.9125 (12)
Ni1-N1	1.9435 (15)
Ni1-N2	1.9507 (14)

O1-Ni1-O2	89.22 (5)
O1-Ni1-N1	93.76 (5)
O2-Ni1-N1	175.27 (6)
O1-Ni1-N2	177.83 (6)
O2-Ni1-N2	92.71 (5)
N1-Ni1-N2	84.25 (6)

Data collection: SMART (Bruker, 2002); cell refinement: SAINT (Bruker, 2002); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL.

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: BQ2125 ).

Acknowledgements

Financial support from the Jiaying University research fund is gratefully acknowledged.

References

Angulo, I. M., Bouwman, E., Lutz, M., Mul, W. P. & Spek, A. L. (2001). Inorg. Chem. 40, 2073-2082.
Bruker (2002). SAINT and SMART. Bruker AXS Inc., Madison, Wisconsin, USA.
Cremer, D. & Pople, J. A. (1975). J. Am. Chem. Soc. 97, 1354-1358.
Dey, S. K., Mondal, N., El Fallah, M. S., Vicente, R., Escuer, A., Solans, X., Font-Bardia, M., Matsushita, T., Gramlich, V. & Mitra, S. (2004). Inorg. Chem. 43, 2427-2434.
Edison, S. E., Krause Bauer, J. A. & Baldwin, M. J. (2004). Acta Cryst. E60, m1930-m1932.
Ramadevi, P., Kumaresan, S. & Muir, K. W. (2005). Acta Cryst. E61, m1749-m1751.
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Suh, M. P., Oh, K. Y., Lee, J. W. & Bae, Y. Y. (1996). J. Am. Chem. Soc. 118, 777-783.

metal-organic compounds