Synthesis, Structure and Luminescent Property of a Zinc(II) Coordination Polymer Incorporating Flexible Cyclohexane-1,2,3,4,5,6-hexacarboxylate Ligand

Chemical Research in Chinese Universities ›› 2011, Vol. 27 ›› Issue (3): 354-357.

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Synthesis, Structure and Luminescent Property of a Zinc(II) Coordination Polymer Incorporating Flexible Cyclohexane-1,2,3,4,5,6-hexacarboxylate Ligand

WANG Jing*, LIU Zhao-qing and SU Ting-ting

School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, P. R. China

Received:2010-08-13 Revised:2010-09-27 Online:2011-05-25 Published:2011-04-29
Contact: WANG Jing E-mail:wangjgzhu@yahoo.com.cn
Supported by:
Supported by the National Natural Science Foundation of China(No.20901018) and the Natural Science Foundation of Guangdong Province, China(No.9451009101003177).

Abstract

Abstract: The hydrothermal reaction of Zn(NO3)2?4H2O, cyclohexane-1,2,3,4,5,6-hexacarboxylic acid hydrate (H6LI?H2O, cis-conformation LI: a,e,a,e,a,e) and 2,2'-bpy yielded a new coordination polymer [Zn2(H2LII)(2,2'-bpy)]? 2H2O(trans-conformation LII: e,e,e,e,e,e), which was characterized by single-crystal X-ray diffraction, elemental analysis, IR and XRPD(X-ray powder diffraction). This complex crystallized in the triclinic system, with P1?? space group and parameters a=0.66922(5) nm, b=0.97291(8) nm, c=1.22184(9) nm, α=99.0020(10)o, β=99.1300(10)o, γ=99.1910(10)o, V= 0.76176(10) nm3 and Z=2. The structure is a three-dimensional supramolecular network based on linear coordination chains through π-π stacking and hydrogen bonding interactions. The confromation of the starting ligand H6LI transfromed to the H2LII. The complex emits strong luminescence at room temperature.

Key words: Coordination polymer, Cyclohexane-1,2,3,4,5,6-hexacarboxylate, Conformation, Luminescent property

WANG Jing*, LIU Zhao-qing and SU Ting-ting. Synthesis, Structure and Luminescent Property of a Zinc(II) Coordination Polymer Incorporating Flexible Cyclohexane-1,2,3,4,5,6-hexacarboxylate Ligand[J]. Chemical Research in Chinese Universities, 2011, 27(3): 354-357.

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Synthesis, Structure and Luminescent Property of a Zinc(II) Coordination Polymer Incorporating Flexible Cyclohexane-1,2,3,4,5,6-hexacarboxylate Ligand

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