Synthesis and Structure of a Novel Supramolecular Compound [Co(2,2'-bipy)(H2O)4][trans-1,4-chdc] and Separation of Isomer of 1,4-Cyclohexanedicarboxylic Acid

高等学校化学研究 ›› 2006, Vol. 22 ›› Issue (4): 415-418.

Synthesis and Structure of a Novel Supramolecular Compound [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] and Separation of Isomer of 1,4-Cyclohexanedicarboxylic Acid

YU Miao, LIU Shu-xia, ZHANG Chun-dan, GAO Bo, SUN Chun-yan, XIE Lin-hua, WANG Chun-ling, CHENG Hai-yan

Key Laboratory of Polyoxometalates Science of Ministry of Education, College of Chemistry,Northeast Normal University, Changchun 130024, P. R. China

收稿日期:2005-08-31 出版日期:2006-08-24 发布日期:2011-08-06
基金资助:
Supported by the National Natural Science Foundation of China (No. 20571014) and the Scientific Research Foundation for Returned Overseas Chinese Scholars, the Ministry of Education of China.

Synthesis and Structure of a Novel Supramolecular Compound [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] and Separation of Isomer of 1,4-Cyclohexanedicarboxylic Acid

YU Miao, LIU Shu-xia, ZHANG Chun-dan, GAO Bo, SUN Chun-yan, XIE Lin-hua, WANG Chun-ling, CHENG Hai-yan

Key Laboratory of Polyoxometalates Science of Ministry of Education, College of Chemistry,Northeast Normal University, Changchun 130024, P. R. China

Received:2005-08-31 Online:2006-08-24 Published:2011-08-06
Supported by:
Supported by the National Natural Science Foundation of China (No. 20571014) and the Scientific Research Foundation for Returned Overseas Chinese Scholars, the Ministry of Education of China.

摘要/Abstract

摘要： A supramolecular compound, [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] (compound 1) (2,2'-bipy=2,2'-bipyridine, 1,4-chdcH₂=1,4-cyclohexanedicarboxylic acid), was synthesized and characterized by single-crystal X-ray diffraction analysis, IR spectrometry, TG analysis, and elemental analyses. Single-crystal X-ray diffraction analysis revealed that [Co(2,2'-bipy)(H₂O)₄]²⁺ units and adjacent 1,4-chdc^2-formed a single layer by hydrogen bonding and electrostatic interactions along the ac-plane, and two symmetry-related single layers interacted with each other by hydrogen bonding, resulting in a double layer, which further formed a 3-D structure by π-π stacking. The most attractive structural feature of compound 1 is that 1,4-chdc^2- possesses only trans-conformation although there are both cis- and trans-conformations in the raw material.

关键词: Isomer separation, 1, 4-chdcH₂, Supramolecular compound, Hydrogen bonding

Abstract: A supramolecular compound, [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] (compound 1) (2,2'-bipy=2,2'-bipyridine, 1,4-chdcH₂=1,4-cyclohexanedicarboxylic acid), was synthesized and characterized by single-crystal X-ray diffraction analysis, IR spectrometry, TG analysis, and elemental analyses. Single-crystal X-ray diffraction analysis revealed that [Co(2,2'-bipy)(H₂O)₄]²⁺ units and adjacent 1,4-chdc^2-formed a single layer by hydrogen bonding and electrostatic interactions along the ac-plane, and two symmetry-related single layers interacted with each other by hydrogen bonding, resulting in a double layer, which further formed a 3-D structure by π-π stacking. The most attractive structural feature of compound 1 is that 1,4-chdc^2- possesses only trans-conformation although there are both cis- and trans-conformations in the raw material.

Key words: Isomer separation, 1,4-chdcH₂, Supramolecular compound, Hydrogen bonding

YU Miao, LIU Shu-xia, ZHANG Chun-dan, GAO Bo, SUN Chun-yan, XIE Lin-hua, WANG Chun-ling, CHENG Hai-yan. Synthesis and Structure of a Novel Supramolecular Compound [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] and Separation of Isomer of 1,4-Cyclohexanedicarboxylic Acid[J]. 高等学校化学研究, 2006, 22(4): 415-418.

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Synthesis and Structure of a Novel Supramolecular Compound [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] and Separation of Isomer of 1,4-Cyclohexanedicarboxylic Acid

Synthesis and Structure of a Novel Supramolecular Compound [Co(2,2'-bipy)(H₂O)₄][trans-1,4-chdc] and Separation of Isomer of 1,4-Cyclohexanedicarboxylic Acid

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