Data di Pubblicazione:
1994
Citazione:
Synthesis and VT-NMR study of cationic hydride platinum clusters / S. Aime, R. Gobetto, G. Minghetti, A. L. Bandini, G. Banditelli. - In: JOURNAL OF CLUSTER SCIENCE. - ISSN 1040-7278. - 5:4(1994), pp. 523-533. [10.1007/BF01171383]
Abstract:
The synthesis of three trinuclear platinum hydrides [Pt3(L-L)3(H)3]+ (L-L = 1,2-bis(diphenylphosphino)ethane, dppe, l; 1-diphenylphosphino-2-diphenylarsinoethane, dppae. 2; 1,2-bis(diphenylarsino)ethane, dpae, 3) is reported. The complexes were characterized by IR, FAB-MS, and NMR (1H,31P and195Pt) spectroscopic techniques. The fast exchange of the hydride ligands, observed at ambient temperature, is frozen out at low temperature. The low-temperature1H and31P NMR spectra are consistent with an open array of Pt atoms in the clusters, in keeping with a 16-electron configuration on each platinum atom. Two of the hydride ligands are terminally bonded to two metal centers, whereas the third one is μ3-coordinated, interacting more tightly with the unique platinum atom.
Tipologia IRIS:
01 - Articolo su periodico
Keywords:
chelating diphosphines; Hydride clusters; platinum; VT NMR spectra (1H and31P)
Elenco autori:
S. Aime, R. Gobetto, G. Minghetti, A.L. Bandini, G. Banditelli
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