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

Geun Hee Eom, Hyun Min Park, Min Young Hyun, Seung Pyo Jang, Cheal Kim, Jun Ho Lee, Suk Joong Lee, Sung Jin Kim, Youngmee Kim

Research output: Contribution to journalArticle

35 Citations (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.

Original languageEnglish
Pages (from-to)1555-1564
Number of pages10
JournalPolyhedron
Volume30
Issue number9
DOIs
Publication statusPublished - 2011 May 26

Keywords

  • 2,2′-Bipyridine
  • Catalyst
  • Photoluminescence
  • Transesterification
  • Zn complexes

ASJC Scopus subject areas

  • Inorganic Chemistry
  • Materials Chemistry
  • Physical and Theoretical Chemistry

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