6 research outputs found

    Cr(NAr)(O)(NPr(i)\u3csub\u3e2\u3c/sub\u3e)(Ar): A strongly-bent monoimido complex resulting from nitrosyl ligand cleavage

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    The molecular structure of Cr(NAr)(O)(NPr(i)2)(Ar) (Ar = 2-MeC6H4) is analysed by X-ray crystallographic and density functional theoretical techniques

    Iridium phosphinidene complexes: a comparison with iridium imido complexes in their reaction with isocyanides

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    18-Electron nucleophilic, Schrock-type phosphinidene complexes 3 [Cp*(Xy-N≡C)Ir=PAr] (Ar = Mes*, Dmp, Mes) are capable of unprecedented [1 + 2]-cycloadditions with 1 equiv of isocyanide RNC (R = Xy, Ph) to give novel iridaphosphirane complexes [Cp*(Xy-N≡C)IrPArC=NR]. Their structures were ascertained by X-ray diffraction. Density functional theory investigations on model structures revealed that the iridaphosphirane complexes are formed from the addition of the isocyanide to 16-electron species [Cp*Ir=PAr] forming first complex 3 that subsequently reacts with another isocyanide to give the products following a different pathway than its nitrogen analogue [Cp*Ir≡Nt-Bu] 1. © 2009 American Chemical Society

    Coordination and Organometallic Chemistry of Metal−NO Complexes

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