Synthesis and structural characterization of a homoleptic rhodium carbonyl cluster dianion and monoanion (see abstract): An unprecedented example of carbonyl substitution by alkylamines in a homoleptic metal carbonyl cluster anion
Articolo
Data di Pubblicazione:
2002
Citazione:
Synthesis and structural characterization of a homoleptic rhodium carbonyl cluster dianion and monoanion (see abstract): An unprecedented example of carbonyl substitution by alkylamines in a homoleptic metal carbonyl cluster anion / A. Fumagalli, M. C. Malatesta, A. Tentori, D. Monti, P. Macchi, A. Sironi. - In: INORGANIC CHEMISTRY. - ISSN 0020-1669. - 41:1(2002), pp. 76-85.
Abstract:
The substitution of one or two carbonyls by many different primary and secondary alkylamines and -diamines has been established for the first time in a homoleptic carbonyl cluster anion, the trigonal bipyramidal [Rh5(CO)15]-. Two derivatives, the bis-monosubstituted ([Rh5(CO)14]-(H2N (CH2)4NH2)- [Rh5(CO)14])2- dianion (1) and the disubstituted chelated [Rh5(CO)13 (H2N(CH2)2NH2)]- monoanion (2), have been structurally characterized, both in the solid state (as [PPh4]+ salts) and in solution, revealing that the sites of the substitution are the cluster apexes. 13C NMR spectra of 2 revealed localized fluxionality of the CO ligands over the temperature range 298-183 K.
Tipologia IRIS:
01 - Articolo su periodico
Elenco autori:
A. Fumagalli, M. C. Malatesta, A. Tentori, D. Monti, P. Macchi, A. Sironi
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