Synthesis, Structural Characterization and Fluorescent Properties of a Cadmium Coordination Polymer with 4-Nitrophthalate and 1,4-Bis(imidazol-1-yl)-benzene

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摘要 A new complex [Cd(nph)(bix)]n (1, H2nph = 4-nitrophthalic acid, bix = 1,4-bis(imidazol-1-yl)- benzene) has been successfully synthesized under hydrothermal conditions. Its structure has been characterized by elemental analysis, IR spectrum, TG, single-crystal and powder X-ray diffractions. The Cd2+ ion has a distorted octahedral environment with four O atoms from two nph ligands and two N atoms from two bix ligands. Each bix acts as a cis-conformation bridging ligand to link the neighboring [Cd2(nph)] subunit to form tetranuclear subunits with 42-ring, which are bridged again by bix ligands to yield a two-dimensional network structure. It was stabilized by C–H···O hydrogen bonding and π-π interactions, and extended into a 3D supramolecular architecture. Moreover, the luminescent properties of complex 1 have been investigated in the solid state.

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	李秀梅
	潘亚茹
	刘博
	周实

关键词 ： hydrothermal synthesis, crystal structure, 4-nitrophthalic acid, 1,4-bis(imidazol-1-yl)-benzene, Cd(II) complex

Abstract： A new complex [Cd(nph)(bix)]n (1, H2nph = 4-nitrophthalic acid, bix = 1,4-bis(imidazol-1-yl)- benzene) has been successfully synthesized under hydrothermal conditions. Its structure has been characterized by elemental analysis, IR spectrum, TG, single-crystal and powder X-ray diffractions. The Cd2+ ion has a distorted octahedral environment with four O atoms from two nph ligands and two N atoms from two bix ligands. Each bix acts as a cis-conformation bridging ligand to link the neighboring [Cd2(nph)] subunit to form tetranuclear subunits with 42-ring, which are bridged again by bix ligands to yield a two-dimensional network structure. It was stabilized by C–H···O hydrogen bonding and π-π interactions, and extended into a 3D supramolecular architecture. Moreover, the luminescent properties of complex 1 have been investigated in the solid state.

Key words： hydrothermal synthesis crystal structure 4-nitrophthalic acid 1,4-bis(imidazol-1-yl)-benzene Cd(II) complex

收稿日期: 2019-07-05 出版日期: 2020-05-14

基金资助:The project was supported by the Science and Technology development plan of Jilin Province (2015052006JH)

通讯作者: lixm20032006@163.com E-mail: lixm20032006@163.com

引用本文:

李秀梅;潘亚茹;刘博;周实. Synthesis, Structural Characterization and Fluorescent Properties of a Cadmium Coordination Polymer with 4-Nitrophthalate and 1,4-Bis(imidazol-1-yl)-benzene[J]. 结构化学, 2020, 39(5): 955-959.
LI Xiu-Mei;PAN Ya-Ru;LIU Bo;ZHOU Shi. Synthesis, Structural Characterization and Fluorescent Properties of a Cadmium Coordination Polymer with 4-Nitrophthalate and 1,4-Bis(imidazol-1-yl)-benzene. CHINESE JOURNAL OF STRUCTURAL CHEMISTRY, 2020, 39(5): 955-959.

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http://manu30.magtech.com.cn/jghx/CN/ 或 http://manu30.magtech.com.cn/jghx/CN/Y2020/V39/I5/955

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