期刊
JOURNAL OF COORDINATION CHEMISTRY
卷 63, 期 17, 页码 3016-3027出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958972.2010.504831
关键词
Cobalt(III); Second sphere coordination chemistry; 1; 10-Phenanthroline; Polyoxovanadate; X-ray crystallography
资金
- CSIR [09/135/0594/2010/EMR-1]
- US National Science Foundation [CHE-0516928]
- US National Institute of Health [1R01DK078652-01A2]
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK078652] Funding Source: NIH RePORTER
A new complex salt of composition [Co(phen)3]3(V4O12)2Cl 27H2O (phen = 1,10-phenanthroline and [V4O12]4- = tetrameric metavanadate, dodecaoxotetravanadate ion) was synthesized by the reaction of appropriate salts in aqueous medium. The complex salt has been characterized by elemental analyses, thermogravimetric analysis, cyclic voltammetry, FT-IR, and UV-Vis spectroscopies, solubility product and conductance measurements. Single crystal X-ray structure determination revealed ionic structure consisting of three complex cations, [Co(phen)3]3+, two [V4O12]4- anions, one chloride and 27 lattice water molecules. Detailed structural and spectroscopic analyses of [Co(phen)3]3(V4O12)2Cl 27H2O showed that the large anion is stabilized by large cationic metal complex as there is preferred shape compatibility that leads to a large number of lattice-stabilizing non-covalent interactions.
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