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Anion effects on the crystal structures of ZnII complexes containing 2,2′-bipyridine: Their photoluminescence and catalytic activities

Title
Anion effects on the crystal structures of ZnII complexes containing 2,2′-bipyridine: Their photoluminescence and catalytic activities
Authors
Eom G.H.Park H.M.Hyun M.Y.Jang S.P.Kim C.Lee J.H.Lee S.J.Kim S.-J.Kim Y.
Ewha Authors
김성진김영미
SCOPUS Author ID
김성진scopus; 김영미scopus
Issue Date
2011
Journal Title
Polyhedron
ISSN
0277-5387JCR Link
Citation
vol. 30, no. 9, pp. 1555 - 1564
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Six new structures of ZnII complexes containing 2,2′-bipyridine (2,2′-bpy) ligands have been determined. Halide anions were used as simple coordinating ligands to form a tetrahedral environment around the ZnII ion. Nitrate and benzoate anions were used as chelating ligands to form an octahedral environment. For non-coordinating ClO4- and bridging SO42- anions, three 2,2′-bpy ligands chelate ZnII to form an octahedral environment, and both ClO4- and SO42- anions occupy empty positions between the metal cations for charge balance. Polymeric structures of the ZnII-2,2′-bpy complexes are produced by hydrogen bonding. [Zn(2,2′-bpy)(O2CC 6H5)2] catalyzed efficiently the transesterification reaction of esters with methanol under the neutral conditions, while the remaining compounds showed very slow conversions. © 2011 Elsevier Ltd. All rights reserved.
DOI
10.1016/j.poly.2011.03.040
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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