Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12779/6123
Title: Cage rearrangements in dodecanuclear Co-Pt dicarbido clusters promoted by redox reactions
Authors: Femoni, C.
Iapalucci, M. C.
Longoni, G.
Zacchini, S.
Fedi, Serena
Fabrizi De Biani, Fabrizia 
Issue Date: 2012
Project: None 
Journal: EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
Abstract: 
The chemical reduction of [Co8Pt4C2(CO)24]2– ([1]2–) with Na/naphthalene results, after workup, in the isolation of either [Co10Pt2C2(CO)22]4– ([2]4–) or [Co8Pt4C2(CO)20]4– ([3]4–), depending on the experimental conditions. All these species undergo several chemical and/or electrochemical redox reactions, disclosing the existence of structurally related dodecanuclear clusters [1]n– (n = 0–4), [2]n– (n = 2–6) and [3]n–(n = 1–7). In the attempt to isolate more reduced species,[1]n–, [2]n– and [3]n– undergo structural rearrangements resulting, among others, in the formation of the new species [Co10–xPt2+xC2(CO)24]2– ([4]2–) (x = 0–2) structurally related to [1]2–. These dodecanuclear M12C2 dicarbido clusters are not isostructural and differ in the metal composition and/or the number of CO ligands. Nevertheless, they can be readily interconverted even if the interconversion reactions are not straightforward.
Description: 
56385
URI: http://hdl.handle.net/20.500.12779/6123
ISSN: 1434-1948
DOI: 10.1002/ejic.201101386
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