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Volume 69 
Part 2 
Page m90  
February 2013  

Received 5 December 2012
Accepted 19 December 2012
Online 9 January 2013

Key indicators
Single-crystal X-ray study
T = 150 K
Mean [sigma](C-C) = 0.003 Å
R = 0.031
wR = 0.085
Data-to-parameter ratio = 13.5
Details
Open access

catena-Poly[[bis(4-methylpyridine-[kappa]N)cobalt(II)]-di-[mu]-dicyanamido-[kappa]2N1:N5]

aInstitute of Molecular Engineering and Advanced Materials, School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei, Nanjing 210094, Jiangsu, People's Republic of China, and bInstitute of Science and Technology, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, People's Republic of China
Correspondence e-mail: chizhang@mail.njust.edu.cn

Cobalt(II) nitrate hexahydrate and sodium dicyanamide self-assembled in dimethylformamide (DMF) and 4-methylpyridine solutions to form the title compound, [Co(C2N3)2(C6H7N)2]n. The Co2+ ion lies on an inversion center and adopts an octahedral coordination geometry in which four N atoms from four different dicyanamide ligands lie in the equatorial plane and two 4-methylpyridine N atoms occupy the axial positions. The CoII atoms are connected by two bridging dicyanamide ligands, resulting in a chain parallel to the c axis. The chains are connected into a three-dimensional network by C-H...N hydrogen bonds.

Related literature

The design and syntheses of metal-organic compounds has attracted great attention not only as a result of their intriguing architectures and topologies (Eddaoudi et al., 2001[Eddaoudi, M., Moler, D. B., Li, H. L., Chen, B. L., Reineke, T. M., O'Keeffe, M. & Yaghi, O. M. (2001). Acc. Chem. Res. 34, 319-330.]), but also because of their potential applications (Banerjee et al., 2008[Banerjee, R., Phan, A., Wang, B., Knobler, C., Furukawa, H., O'Keeffe, M. & Yaghi, O. M. (2008). Science, 319, 939-943.]).

[Scheme 1]

Experimental

Crystal data
  • [Co(C2N3)2(C6H7N)2]

  • Mr = 377.28

  • Monoclinic, P 21 /c

  • a = 9.3686 (19) Å

  • b = 13.080 (3) Å

  • c = 7.3048 (15) Å

  • [beta] = 106.86 (3)°

  • V = 856.7 (3) Å3

  • Z = 2

  • Mo K[alpha] radiation

  • [mu] = 1.02 mm-1

  • T = 150 K

  • 0.21 × 0.17 × 0.15 mm

Data collection
  • Rigaku Saturn724+ diffractometer

  • Absorption correction: multi-scan (CrystalClear; Rigaku, 2008[Rigaku (2008). CrystalClear. Rigaku Corp., Tokyo, Japan.]) Tmin = 0.815, Tmax = 1.000

  • 4994 measured reflections

  • 1549 independent reflections

  • 1419 reflections with I > 2[sigma](I)

  • Rint = 0.016

Refinement
  • R[F2 > 2[sigma](F2)] = 0.031

  • wR(F2) = 0.085

  • S = 1.07

  • 1549 reflections

  • 115 parameters

  • H-atom parameters constrained

  • [Delta][rho]max = 0.94 e Å-3

  • [Delta][rho]min = -0.26 e Å-3

Table 1
Hydrogen-bond geometry (Å, °)

D-H...A D-H H...A D...A D-H...A
C4-H4A...N3i 0.93 2.57 3.487 (3) 168
Symmetry code: (i) -x+1, -y, -z+1.

Data collection: CrystalClear (Rigaku, 2008[Rigaku (2008). CrystalClear. Rigaku Corp., Tokyo, Japan.]); cell refinement: CrystalClear; data reduction: CrystalClear; program(s) used to solve structure: SHELXTL (Sheldrick, 2008[Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.]); 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: RZ5034 ).


Acknowledgements

This work was supported by the National Natural Science Foundation of China (No. 50472048) and the Program for New Century Excellent Talents in Universities (NCET-05-0499).

References

Banerjee, R., Phan, A., Wang, B., Knobler, C., Furukawa, H., O'Keeffe, M. & Yaghi, O. M. (2008). Science, 319, 939-943.  [ISI] [CSD] [CrossRef] [PubMed] [ChemPort]
Eddaoudi, M., Moler, D. B., Li, H. L., Chen, B. L., Reineke, T. M., O'Keeffe, M. & Yaghi, O. M. (2001). Acc. Chem. Res. 34, 319-330.  [ISI] [CrossRef] [PubMed] [ChemPort]
Rigaku (2008). CrystalClear. Rigaku Corp., Tokyo, Japan.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.  [CrossRef] [details]


Acta Cryst (2013). E69, m90  [ doi:10.1107/S1600536812051252 ]

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