Dutta, Somnath ; Mondal, Sujit ; Chakravorty, Animesh (1995) Chemistry of VO3+ and VO2+ complexes incorporating N-salicylidene-α-aminoacidates Polyhedron, 14 (9). pp. 1163-1168. ISSN 0277-5387
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/027753...
Related URL: http://dx.doi.org/10.1016/0277-5387(94)00380-W
Abstract
The complexes [VIVO(L)(bpy)] and [VVO(L)(OMe)(OHMe)] (H2L = Schiff base condensate of salicylaldehyde and an α-amino acid and BPY = 2,2'-bipyridine) have been synthesized. The [VIVO(L)(OMe)(OHMe)]- species have been electrogenerated in solutions. The VO3+ - VO2+E1/2 values of [VO(L)(OHMe)] are lower than those of [VO(L)(bpy)] by ≈750 mV. Upon exposure to air [VO(L)(OMe)(OHMe)]- is spontaneously oxidized to [VO(L)(OMe)(OHMe)]. The [VO(L)(bpy)] and [VO(L)(OMe) (OHMe)]- complexes display dxy1 type axial EPR spectra. The 51V hyperfine constants follow the order [VO(L)(OMe)(OHMe)]- > [VO(L)(bpy)]. The dxy → dxz, dyz transition in these complexes appear in the region 700-720 nm.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| ID Code: | 6861 |
| Deposited On: | 26 Oct 2010 05:20 |
| Last Modified: | 31 Jan 2011 07:10 |
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