EnglishThe reactions of L-enantiopure α-amino acids (aaH) with Na2MoO4 led to the high-yield isolation of Mo(VI) complexes of general formula Mo2O4(OH)4(aaH). A similar outcome was achieved by using (NH4)6Mo7O24 in the place of Na2MoO4. Solid-state IR and NMR spectroscopy indicated the presence of cis-MoO2 units linked by a zwitterionic amino acid ligand, via a bidentate bridging coordination through the carboxylate group. Thus possible dinuclear and polynuclear structures are proposed on the basis of DFT calculations.
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http://hdl.handle.net/11568/664663| Autori interni: | MARCHETTI, FABIO PAMPALONI, GUIDO |
| Autori: | Biancalana, L.; Bortoluzzi, M.; Forte, C.; Marchetti, F.; Pampaloni, G. |
| Titolo: | Structural Characterization of α-Amino Acid Complexes of Molybdates: a Spectroscopic and DFT Study |
| Anno del prodotto: | 2015 |
| Abstract: | The reactions of L-enantiopure α-amino acids (aaH) with Na2MoO4 led to the high-yield isolation of Mo(VI) complexes of general formula Mo2O4(OH)4(aaH). A similar outcome was achieved by using (NH4)6Mo7O24 in the place of Na2MoO4. Solid-state IR and NMR spectroscopy indicated the presence of cis-MoO2 units linked by a zwitterionic amino acid ligand, via a bidentate bridging coordination through the carboxylate group. Thus possible dinuclear and polynuclear structures are proposed on the basis of DFT calculations. |
| Digital Object Identifier (DOI): | 10.1039/c4ra14236e |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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