Preparation, Structure, Fluorescence and Tddft calculation of a Zinc Biimidazole Complex

The complex [Zn(2,2'-biimidazole) 2 H 2 O] 4 (SO 4 )4·12H 2 O has been synthesised by solvothermal reaction and structurally characterised by single crystal X-ray diffraction. The zinc ion coordinates to four nitrogen atoms and one oxygen atom to yield a slightly distorted square pyramid. The [...

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Published inJournal of chemical research Vol. 38; no. 7; pp. 404 - 407
Main Authors Chen, Wen-Tong, Huang, Jian-Gen, Luo, Zhi-Yang, Luo, Qiu-Yan, Xu, Ya-Ping, Yao, Zhong-Liang
Format Journal Article
LanguageEnglish
Published London Sage Publications Ltd 01.07.2014
Subjects
Anions
Cations
Charge transfer
Emission
Emission analysis
Nitrogen atoms
Three dimensional
Zinc
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Summary:The complex [Zn(2,2'-biimidazole) 2 H 2 O] 4 (SO 4 )4·12H 2 O has been synthesised by solvothermal reaction and structurally characterised by single crystal X-ray diffraction. The zinc ion coordinates to four nitrogen atoms and one oxygen atom to yield a slightly distorted square pyramid. The [Zn(2,2'-biimidazole)2H 2 O] 2+ cations and SO 4 2– anions link to each other by hydrogen-bonding interactions to complete a three-dimensional supramolecular framework. The complex exhibits an emission in the blue region and theoretical investigation reveals that the emission mainly originates from ligand-to-ligand charge transfer, accompanied some ligand-to-metal charge transfer.
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ISSN:1747-5198
2047-6507
DOI:10.3184/174751914X14024102463653