Synthesis, Structure, Photoluminescence and Theoretical Study of (MQ)(CdBr4) with MQ2+ Generated In Situ (MQ2+ = N-Me-4,4′-bipyridinium)

被引：23

作者：

Fang, X. -N. ^{[1
]}

Chen, W. -T. ^{[1
]}

Xu, Y. -P. ^{[1
]}

Luo, Q. -Y. ^{[1
]}

Chen, H. -L. ^{[1
]}

机构：

[1] Jinggangshan Univ, Jiangxi Prov Key Lab Coordinat Chem, Sch Chem & Chem Engn, Jian 343009, Jiangxi, Peoples R China

来源：

JOURNAL OF THE IRANIAN CHEMICAL SOCIETY | 2009年 / 6卷 / 01期

关键词：

Cadmium; Crystal structure; LLCT; MO; Photoluminescence; COORDINATION POLYMER; METAL-COMPLEXES; HYDROTHERMAL SYNTHESIS; METHYL VIOLOGEN; FRAMEWORK; CHEMISTRY; LIGANDS; CADMIUM(II); IRRADIATION; CLUSTERS;

D O I：

10.1007/BF03246522

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A new compound (MQ)(CdBr4) (1; MQ(2+) = N-Me-4,4'-bipyridinium), in which the MQ(2+) was generated in situ, has been synthesized via hydrothermal reaction. The title compound features an isolated structure, based on discrete MQ(2+) moieties and tetrahedral cadmium atoms terminally coordinated by four bromine atoms. The MQ(2+) moieties and tetrabromo-cadmium dianions are linked via hydrogen bonds. Photoluminescent investigation reveals that the title compound displays a strong blue-light emission, which is attributed to a ligand-to-ligand charge-transfer (LLCT; from the HOMO of the bromine atoms to the LUMO+1 of the MQ(2+) moieties) mechanism probed by molecular orbital (MO) calculations.

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页码：213 / 218

页数：6

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