Synthesis and Structure of an Interlock Network Frame of Cobalt(Ⅱ) Coordination Polymer {[Co(azpy)2(NCS)2]·1/4EtOH·1/2H2O}n (azpy = 4,4' -Azobispyridine)

Chemical Research in Chinese Universities ›› 2001, Vol. 17 ›› Issue (3): 237-242.

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Synthesis and Structure of an Interlock Network Frame of Cobalt(Ⅱ) Coordination Polymer {[Co(azpy)₂(NCS)₂]·1/4EtOH·1/2H₂O}_n (azpy = 4,4' -Azobispyridine)

LI Bao-long, XU Yan, LIU Yong-jiang, XU Zheng

Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, P. R. China

Received:2000-10-24 Online:2001-08-24 Published:2011-08-04
Supported by:
Supported by the National Nature Science Foundation of China for the Key Project (No.29823001) and Funds of Organic Syntheses Key Laboratory of Jiangsu Province.

Abstract

Abstract: A compound {[Co(azpy)₂(NCS)₂]·1/4EtOH·1/2H₂O}_n(1), where azpy=4,4'- azo-bispyridine, was synthesized and characterized by means of IR, TGA-DTA, magnetic susceptibility and X-ray single crystal diffraction.It consists of two independent sets of fully interlocked two-dimensional networks with the dihedral angle 61.7°, organized in parallel stacks of the sheets which are made of edge-shared [Co(Ⅱ)]₄ squares separated by 0.906 2 nm, and defined size rhombic channels.The thermal gravimetric analysis indicates that the framework is stable up to 198 C.The variable-temperature magnetic susceptibility measurements indicated that there is a weak antiferromagnetic interaction between the cobalt(Ⅱ) ions in the complex (1).

Key words: Crystal structure, Porous structure, Cobalt complex, Azobispyridine complex, Thiocyanate complex

LI Bao-long, XU Yan, LIU Yong-jiang, XU Zheng. Synthesis and Structure of an Interlock Network Frame of Cobalt(Ⅱ) Coordination Polymer {[Co(azpy)₂(NCS)₂]·1/4EtOH·1/2H₂O}_n (azpy = 4,4' -Azobispyridine)[J]. Chemical Research in Chinese Universities, 2001, 17(3): 237-242.

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Synthesis and Structure of an Interlock Network Frame of Cobalt(Ⅱ) Coordination Polymer {[Co(azpy)₂(NCS)₂]·1/4EtOH·1/2H₂O}_n (azpy = 4,4' -Azobispyridine)

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