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)

高等学校化学研究 ›› 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

收稿日期:2000-10-24 出版日期:2001-08-24 发布日期:2011-08-04
基金资助:
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.

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.

摘要/Abstract

摘要： 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).

关键词: Crystal structure, Porous structure, Cobalt complex, Azobispyridine complex, Thiocyanate complex

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]. 高等学校化学研究, 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)

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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