Sintesi e caratterizzazione di nuovi cluster carbonilici Rh-Sb e Rh-Ge

Ruggieri, Silvia (2015) Sintesi e caratterizzazione di nuovi cluster carbonilici Rh-Sb e Rh-Ge. [Laurea magistrale], Università di Bologna, Corso di Studio in Chimica industriale [LM-DM270]
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The topic of my thesis was focused on the synthesis of heteroatomic Rh clusters stabilized by carbonyl ligands. I studied the reactivity of [Rh7(CO)16]3- with different Sb3+ and Ge4+ salts, and tried to synthesize new species by changing the reaction conditions. Indeed, in order to obtain new Rh-Sb and Rh-Ge clusters, I employed different stoichiometric ratios, solvents and atmospheres (N2 or CO). As far as the Rh-Sb system is concerned, I successfully synthesized three new compounds through two different reactions, namely [Rh20Sb3(CO)36][NEt4]3, [Rh21Sb2(CO)38][NEt4]5 and [Rh12Sb(CO)24][NEt4]3. At the same time, I investigated the Rh-Ge system and succeeded in the isolation of the new cluster [Rh14Ge2(CO)30][NEt4]2, along with [Rh12SbGePh2(CO)26][NEt4]2, by treating [Rh7(CO)16]3- with both Ge4+ and Sb3+ salts. Each compound has been characterized by IR spectroscopy, ESI-MS spectrometry and single crystal X-ray diffractometry. Finally, I conduced chemical reactivity tests on some of the obtained compounds.

Tipologia del documento
Tesi di laurea (Laurea magistrale)
Autore della tesi
Ruggieri, Silvia
Relatore della tesi
Correlatore della tesi
Corso di studio
Parole chiave
cluster rodio antimonio germanio raggi X
Data di discussione della Tesi
16 Ottobre 2015

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