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NH3-promoted ligand lability in eleven-vertex rhodathiaboranes

AuthorsCalvo, Beatriz ; Roy, Beatriz; Macías, Ramón ; Artigas, María José ; Lahoz, Fernando J. ; Oro, Luis A.
Issue Date2014
PublisherAmerican Chemical Society
CitationInorganic Chemistry 53(23): 12428-12436 (2014)
AbstractNH3 reacts with nido-[(PPh3)2RhSB9H10] to give an equilibrium with nido-[(NH3)(PPh3)2RhSB9H10] that involves ammonia coordination and dissociation. At higher concentrations of NH3, the {Rh(NH3)(PPh3)2} adduct undergoes PPh3 ligand dissociation giving new NH3-ligated species which are in equilibrium. This system evolves to form a hydridorhodathiaborane that features a H3N−B group. All the proposed NH3-ligated clusters feature weak-bonding interactions with ammonia closing a rare stoichiometric cycle of NH3 addition to/release from polyhedral boron-containing compounds.
Publisher version (URL)http://dx.doi.org/10.1021/ic501779n
Appears in Collections:(ISQCH) Artículos
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