(Ethyl­enediamine-κ2N,N)bis[2-(pyridin-2-yl-κN)-1,3-imidazol-1-ido-κN1]cobalt(III) nitrate monohydrate

Feng, X.-L.; Zhang, Y.-P.

doi:10.1107/S1600536812032692

Volume 68
Part 9
Page m1155
September 2012

Received 11 July 2012
Accepted 18 July 2012
Online 8 August 2012

Key indicators
Single-crystal X-ray study
T = 298 K
Mean (C-C) = 0.005 Å
R = 0.037
wR = 0.110
Data-to-parameter ratio = 12.9
Details

(Ethylenediamine-²N,N)bis[2-(pyridin-2-yl-N)-1,3-imidazol-1-ido-N¹]cobalt(III) nitrate monohydrate

Xiu-Ling Feng ^a ^* and Yu-Ping Zhang ^b

^aCollege of Chemistry and Chemical Engineering, Huaihua University, Huaihua 418008, People's Republic of China, and ^bWuling Electric Power Group Corporation, Changsha 410000, People's Republic of China
Correspondence e-mail: xiulingfeng2001@sina.com

In the title compound, [Co(C₈H₆N₃)₂(C₂H₈N₂)]NO₃·H₂O, the Co^III ion is coordinated by four N atoms from two 2-(pyridin-2-yl)-1,3-imidazol-1-ide ligands and two N atoms of ethylenediamine in a distorted octahedral geometry. In the crystal, classical N-HN(O) and O-HN(O) hydrogen bonds connect all the isolated components together to yield a three-dimensional structure.

Related literature

For examples of metal-organic compounds containing the 2-(2-pyridyl)imidazole ligand, see: Dosser & Underhill (1972); Lan et al. (2008). For applications of these compounds, see: Carranza et al. (2009); Schott et al. (2011).

Experimental

Crystal data

[Co(C₈H₆N₃)₂(C₂H₈N₂)]NO₃·H₂O
M_r = 487.38
Triclinic, $[P \overline 1]$
a = 8.6669 (5) Å
b = 11.0574 (8) Å
c = 12.5304 (10) Å
= 76.133 (2)°
= 75.672 (2)°
= 68.797 (1)°
V = 1069.62 (13) Å³
Z = 2
Mo K radiation
= 0.85 mm^-1
T = 298 K
0.45 × 0.38 × 0.30 mm

Data collection

Bruker SMART 1000 CCD diffractometer
Absorption correction: multi-scan (SADABS; Sheldrick, 1996) T_min = 0.699, T_max = 0.783
5376 measured reflections
3714 independent reflections
2907 reflections with I > 2(I)
R_int = 0.021

Refinement

R[F² > 2(F²)] = 0.037
wR(F²) = 0.110
S = 1.05
3714 reflections
289 parameters
?
_max = 0.32 e Å^-3
_min = -0.42 e Å^-3

Table 1
Hydrogen-bond geometry (Å, °)

D-HA	D-H	HA	DA	D-HA
N8-H8BO1	0.90	2.16	2.922 (4)	142
N8-H8AN5ⁱ	0.90	2.09	2.979 (3)	168
N7-H7AN2ⁱⁱ	0.90	2.15	3.045 (3)	171
N7-H7BO3ⁱⁱⁱ	0.90	2.43	3.281 (5)	158
O4-H4DN2ⁱⁱⁱ	0.85	2.12	2.974 (7)	180
O4-H4CO2^iv	0.85	2.18	3.026 (7)	179
Symmetry codes: (i) -x+1, -y, -z+1; (ii) -x+1, -y+1, -z; (iii) x+1, y, z; (iv) x+1, y+1, z.

Data collection: SMART (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); 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: CV5321 ).

Acknowledgements

The authors appreciate the help of Professor Dr Lidan Zhang and the financial support of the Science Foundation of Huaihua University (grant No. HHUQ.2009-10.).

References

Bruker (2007). SMART and SAINT. Bruker AXS Inc., Madison, Wisconsin, USA.
Carranza, J., Sletten, J., Lloret, F. & Julve, M. (2009). Inorg. Chim. Acta, 368, 2636-2642.
Dosser, R. J. & Underhill, A. E. (1972). J. Chem. Soc. Dalton Trans. pp. 611-613.
Lan, Y. Q., Li, S. L., Fu, Y. M., Xu, Y. H., Li, L., Su, Z. M. & Fu, Q. (2008). Dalton Trans. pp. 6796-6807.
Schott, O., Ferrando-Soria, J., Bentama, A., Stiriba, S. E., Pasan, J., Ruiz-Perez, C., Andruh, M., Lloret, F. & Julve, M. (2011). Inorg. Chim. Acta, 376, 358-366.
Sheldrick, G. M. (1996). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.

metal-organic compounds

(Ethylenediamine-2N,N)bis[2-(pyridin-2-yl-N)-1,3-imidazol-1-ido-N1]cobalt(III) nitrate monohydrate