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Synthesis and structure of a mixed ligand copper(II) compound based on a distorted {CuN2O3} square pyramid

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Title Synthesis and structure of a mixed ligand copper(II) compound based on a distorted {CuN2O3} square pyramid
 
Creator Deshpande, Megha S
Naik, Amrita A
Morajkar, Sudesh M
Srinivasan, Bikshandarkoil R
 
Subject Copper(II)
Acetylacetonate
2,2′-biquinoline
Square pyramid
Hydrogen bonding
 
Description 499-505
The synthesis, spectra, thermal study and crystal structure of a mixed ligand copper(II) compound viz. [Cu(biq)(acac)(NO3)] 1 (biq = 2,2′-biquinoline, acac = acetylacetonate) are reported. The {CuN2O3} coordination sphere is made up of two oxygen atoms of an unique acac ligand, an oxygen of the nitrate group and one N atom of biq ligand which form the basal plane {CuNO3} of a square pyramid. A second nitrogen atom of the biq ligand occupies the apical position resulting in a distorted square pyramidal {CuN2O3} polyhedron. In the crystal structure, each neutral square pyramidal copper(II) species is linked with two symmetry related molecules with the aid of intermolecular C-H...O hydrogen bonding interactions. A study of fifteen mixed ligand copper(II) acetylacetonates reveals that in this series of compounds, 1 exhibits maximum deviation of the {CuN2O3} polyhedron from square pyramidal towards trigonal bipyramidal geometry.
 
Date 2021-04-09T11:27:45Z
2021-04-09T11:27:45Z
2021-04
 
Type Article
 
Identifier 0975-0975(Online); 0376-4710(Print)
http://nopr.niscair.res.in/handle/123456789/56970
 
Language en_US
 
Rights CC Attribution-Noncommercial-No Derivative Works 2.5 India
 
Publisher NISCAIR-CSIR, India
 
Source IJC-A Vol.60A(04) [April 2021]