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EnglishA series of (VO)-O-IV bis chelated complexes of alpha-hydroxycarboxylic acids with a 2(COO-, O-) coordination set was analyzed by electronic absorption and EPR spectroscopy in aqueous solution. All the complexes exhibit a square-pyramidal geometry distorted toward trigonal bipyramid. The influence of the distortion of the geometry, as deduced from the steric hindrance produced by the substituents at the alpha-carbon atom of the ligands, on the spectroscopic parameters has been studied. The observed trends were related to the electronic structure of the metal ion in the distorted geometry.
Electronic structure of oxovanadium(IV) complexes of alpha-hydroxycarboxylic acids / Garribba, Eugenio; Micera, Giovanni; Panzanelli, Angelo; Sanna, D.. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - 42:13(2003), pp. 3981-3987. [10.1021/ic0260567]
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| Titolo: | Electronic structure of oxovanadium(IV) complexes of alpha-hydroxycarboxylic acids | |
| Autori: | ||
| Data di pubblicazione: | 2003 | |
| Rivista: | ||
| Citazione: | Electronic structure of oxovanadium(IV) complexes of alpha-hydroxycarboxylic acids / Garribba, Eugenio; Micera, Giovanni; Panzanelli, Angelo; Sanna, D.. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - 42:13(2003), pp. 3981-3987. [10.1021/ic0260567] | |
| Abstract: | A series of (VO)-O-IV bis chelated complexes of alpha-hydroxycarboxylic acids with a 2(COO-, O-) coordination set was analyzed by electronic absorption and EPR spectroscopy in aqueous solution. All the complexes exhibit a square-pyramidal geometry distorted toward trigonal bipyramid. The influence of the distortion of the geometry, as deduced from the steric hindrance produced by the substituents at the alpha-carbon atom of the ligands, on the spectroscopic parameters has been studied. The observed trends were related to the electronic structure of the metal ion in the distorted geometry. | |
| Handle: | http://hdl.handle.net/11388/81639 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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