catena-Poly[[(2,2′-bipyridine-κ2N,N′)nickel(II)]-μ-oxalato-κ4O1,O2:O1′,O2′]

Li, S.; Yan, X.-L.; Wang, S.-B.; Ma, Y.-F.

doi:10.1107/S1600536808028389

Volume 64
Part 10
Page m1258
October 2008

Received 4 August 2008
Accepted 4 September 2008
Online 13 September 2008

Key indicators
Single-crystal X-ray study
T = 296 K
Mean (C-C) = 0.010 Å
R = 0.048
wR = 0.155
Data-to-parameter ratio = 12.2
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catena-Poly[[(2,2'-bipyridine-²N,N')nickel(II)]--oxalato-⁴O¹,O²:O^1',O^2']

Sheng Li,^a Xing-Lian Yan,^b Shou-Bin Wang ^c and Yuan-Fang Ma ^a ^*

^aInstitute of Immunology, Key Laboratory of Natural Drugs and Immunological Engineering of Henan Province, College of Medicine, Henan University, Kaifeng 475003, People's Republic of China,^bFirst Affiliated Hospital, Henan University, Kaifeng 475003, People's Republic of China, and ^cCollege of Chemistry and Chemical Engineering, Henan University, Kaifeng 475003, People's Republic of China
Correspondence e-mail: mayf_hd@126.com

The title compound, [Ni(C₂O₄)(C₁₀H₈N₂)]_n, is isostructural with its Mn^II, Fe^II, Cu^II and Zn^II analogues. Each Ni^II atom is chelated by two oxalate ligands and one 2,2'-bipyridine, forming a slightly distorted octahedral geometry. Oxlate acts as a bridge to link neighbouring pairs of Ni^II cations, forming a one-dimensional wave-like chain. The crystal showed partial inversion twinning.

Related literature

For related literature, see: Hong & Do (1997); Eddaoudi et al. (2001); Liang et al. (2004); Shi et al. (2005). For the isostructural Mn^II, Fe^II, Cu^II and Zn^II complexes, see: Li et al. (2006); Deguenon et al. (1990); Fun et al. (1999); Luo et al. (2001); Yu et al. (2006); Lin et al. (2006).

Experimental

Crystal data

[Ni(C₂O₄)(C₁₀H₈N₂)]
M_r = 302.91
Orthorhombic, P n a 2₁
a = 9.6486 (14) Å
b = 9.2627 (14) Å
c = 13.883 (2) Å
V = 1240.7 (3) Å³
Z = 4
Mo K radiation
= 1.57 mm^-1
T = 296 (2) K
0.12 × 0.10 × 0.06 mm

Data collection

Bruker APEXII CCD area-detector diffractometer
Absorption correction: multi-scan (SADABS; Bruker, 2001) T_min = 0.834, T_max = 0.912
6146 measured reflections
2114 independent reflections
1810 reflections with I > 2(I)
R_int = 0.030

Refinement

R[F² > 2(F²)] = 0.047
wR(F²) = 0.154
S = 1.00
2114 reflections
173 parameters
1 restraint
H-atom parameters constrained
_max = 0.44 e Å^-3
_min = -0.43 e Å^-3
Absolute structure: Flack (1983), 971 Friedel pairs
Flack parameter: 0.20 (3)

Data collection: APEX2 (Bruker, 2004); cell refinement: SAINT-Plus (Bruker, 2001); data reduction: SAINT-Plus; 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: CF2213 ).

Acknowledgements

The authors are grateful for financial support from the Scientific Research Foundation of Outstanding Talented Persons of Henan Province (grant No. 74200510014).

References

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Bruker (2004). APEX2. Bruker AXS Inc., Madison, Wisconsin, USA.
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