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Free keywords:
Antimony; Density functional calculations; Distibene; Stibinidene; Structure elucidation
Abstract:
Stibine [L(Cl)Ga]2SbCl reacts with N-heterocyclic carbenes RNHCMe to either RNHCMe-coordinated distibenes L(Cl)Ga]SbSb(RNHCMe)Ga(Cl)L ((RNHCMe=Me, Et, i-Pr) or stibinidenes L(Cl)GaSb-RNHCMe (RNHCMe=Me, Et) after Sb−Sb bond cleavage. Energies of the products and possible reaction intermediates were calculated by DFT methods.