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Synthesis and characterization of copper(II) and nickel(II) complexes of (9′-fluorene)-spiro-5-dithiohydantoin

✍ Scribed by Anife Ahmedova; Petja Marinova; Katarzyna Paradowska; Marin Marinov; Mariana Mitewa

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
417 KB
Volume
892
Category
Article
ISSN
0022-2860

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✦ Synopsis

Synthesis and structural characterization of new Cu(II) and Ni(II) complexes of (9 0 -fluorene)-spiro-5-dithiohydantoin are reported. All compounds were studied by means of experimental ( 13 C CPMAS NMR, EPR, IR) and quantum-chemical (DFT/B3LYP-6-31G(d,p)) methods. Based on the experimental data, supported by theoretical calculation, the most probable structure of the complexes is suggested. The paramagnetic Cu(II) complex has distorted tetrahedral structure with two water and two ligand molecules coordinated to the metal ion. For the Ni(II) complex square planar geometry is suggested with two ligand molecules coordinated in a bidentate fashion.

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