Bis(4-dimethyl­amino-1-ethyl­pyridinium) bis­(1,2-dicyano­ethene-1,2-dithiol­ato-κ2S,S′)nickelate(II)

Yu, S.-S.; Zhou, H.; Ren, X.-M.

doi:10.1107/S1600536812008161

Volume 68
Part 4
Page m395
April 2012

Received 21 February 2012
Accepted 23 February 2012
Online 10 March 2012

Key indicators
Single-crystal X-ray study
T = 296 K
Mean (C-C) = 0.005 Å
R = 0.037
wR = 0.128
Data-to-parameter ratio = 15.6
Details

Bis(4-dimethylamino-1-ethylpyridinium) bis(1,2-dicyanoethene-1,2-dithiolato-²S,S')nickelate(II)

Shan-Shan Yu,^a Hong Zhou ^b and Xiao-Ming Ren ^a ^*

^aCollege of Science, Nanjing University of Technology, Nanjing 210009, People's Republic of China, and ^bSchool of Biochemical and Environmental Engineering, Nanjing Xiaozhuang College, Nanjing 210017, People's Republic of China
Correspondence e-mail: yushanshan_2005@163.com

The asymmetric unit of the title complex, (C₉H₁₅N₂)₂[Ni(C₄N₂S₂)₂], comprises one 4-dimethylamino-1-ethylpyridinium cation and one half of a [Ni(mnt)₂]^2- (mnt^2- = maleonitriledithiolate) anion; the complete anion is generated by the application of a centre of inversion. The Ni^II ion is coordinated by four S atoms of two mnt^2- ligands and exhibits a square-planar coordination geometry.

Related literature

For the magnetic and conducting properties of related complexes, see: Belo & Almedia (2010); Nishijo et al. (2000); Duan et al. (2010); Ni et al. (2005). For novel magnetic behaviour, see: Ni et al. (2004); Ren et al. (2004). For a related [Ni(mnt)₂]^2- complex, see: Yao et al. (2008). For the synthesis of the starting materials, see: Davison & Holm (1967); Duan et al. (2011).

Experimental

Crystal data

(C₉H₁₅N₂)₂[Ni(C₄N₂S₂)₂]
M_r = 641.55
Triclinic, $[P \overline 1]$
a = 8.1468 (14) Å
b = 9.3305 (16) Å
c = 11.663 (3) Å
= 108.243 (3)°
= 100.034 (3)°
= 107.830 (2)°
V = 765.0 (3) Å³
Z = 1
Mo K radiation
= 0.94 mm^-1
T = 296 K
0.3 × 0.1 × 0.1 mm

Data collection

Bruker SMART CCD area-detector diffractometer
Absorption correction: multi-scan (SADABS; Sheldrick, 2002) T_min = 0.894, T_max = 0.910
5798 measured reflections
2827 independent reflections
2371 reflections with I > 2(I)
R_int = 0.031

Refinement

R[F² > 2(F²)] = 0.037
wR(F²) = 0.128
S = 0.95
2827 reflections
181 parameters
H-atom parameters constrained
_max = 0.25 e Å^-3
_min = -0.34 e Å^-3

Table 1
Selected geometric parameters (Å, °)

Ni1-S2	2.1776 (8)
Ni1-S1	2.1794 (8)

S2-Ni1-S1	88.00 (3)

Data collection: SMART (Bruker, 2000); cell refinement: SAINT (Bruker, 2000); data reduction: SAINT; program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL; molecular graphics: SHELXTL; software used to prepare material for publication: SHELXTL.

Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: TK5062 ).

Acknowledgements

The authors thank Nanjing Xiaozhuang College of Jiangsu Province, People's Republic of China, for financial support (grant No. 2010KYQN28).

References

Belo, B. & Almedia, M. (2010). Coord. Chem. Rev. 254, 1479-1492.
Bruker (2000). SAINT and SMART. Bruker AXS Inc., Madison, Wisconsin, USA.
Davison, A. & Holm, H. R. (1967). Inorg. Synth. 10, 8-26.
Duan, H. B., Ren, X. M. & Meng, Q. J. (2010). Coord. Chem. Rev. 254, 1509-1522.
Duan, H. B., Ren, X. M., Shen, L. J., Jin, W. Q., Tian, Z. F. & Zhou, S. M. (2011). Dalton Trans. 40, 3622-3630.
Ni, C. L., Dang, D. B., Song, Y., Song, G., Li, Y. Z., Ni, Z. P., Tian, Z. F., Wen, L. L. & Meng, Q. J. (2004). Chem. Phys. Lett. 396, 353-358.
Ni, Z. P., Ren, X. M., Ma, J., Xie, J. L., Ni, C. L., Chen, Z. D. & Meng, Q. J. (2005). J. Am. Chem. Soc. 127, 14330-14338.
Nishijo, J., Ogura, E., Yamaura, J., Miyazaki, A., Enoki, T., Takano, T., Kuwatani, Y. & Lyoda, M. (2000). Solid State Commun. 116, 661-664.
Ren, X. M., Okudera, H., Kremer, R. K., Song, Y., He, C., Meng, Q. J. & Wu, P. H. (2004). Inorg. Chem. 43, 2569-2576.
Sheldrick, G. M. (2002). SADABS. University of Göttingen, Germany.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Yao, B. Q., Sun, J. S., Tian, Z. F., Ren, X. M., Gu, D. W., Shen, L. J. & Xie, J. L. (2008). Polyhedron, 27, 2833-2844.

metal-organic compounds

Bis(4-dimethylamino-1-ethylpyridinium) bis(1,2-dicyanoethene-1,2-dithiolato-2S,S')nickelate(II)