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Title: A green polymeric zinc(II) complex: Synthesis, structural characterization, and theoretical studies
Authors: Pal, Abhijit
Kumar, Sarat Chandra
Mitra, Partha
Chowdhury, Shubhamoy
Ghosh, Rajarshi
Keywords: Coordination chemistry;Coordination polymers;Polymeric complexes;Molecular orbital energy calculations;Density functional calculations;Zinc;4,4'-Bipyridine
Issue Date: Dec-2017
Publisher: NISCAIR-CSIR, India
Abstract: Synthesis and X-ray structural characterization of a Zn(II) polymer [Zn(NCS)2(L)]n (1) [L = 4,4'-bipyridine] have been reported. The compound, having a metal [Zn(II)] with d10 electronic configuration at the centre of each monomeric unit, shows green colour (absorption band at 648 nm). Molecular orbital energy calculations (and the theoretical spectra obtained therefrom) using GAUSSIAN-09 program package show that HOMO-LUMO energy difference gradually decreases from monomeric to tetrameric units. On considering λmax to be 648 nm in the non-linear fit equation (λmax versus molecular units), it is found that 13 molecular units are responsible for the experimentally observed green color of 1.
Page(s): 1317-1320
ISSN: 0975-0975(Online); 0376-4710(Print)
Appears in Collections:IJC-A Vol.56A(12) [December 2017]

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