The Crystal and Molecular Structures of Dimethylgold Methanido‐ and Nitrido‐Bis(Dimethylphosphoniummethylide): A Comparative Study

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Abstract
The crystal and molecular structures of the two title compounds have been determined. The two isoelectronic species are almost isostructural, with only small deviations in bond angles, distances and planarity of the ring systems. The results are compared with those of analogous nickel(II) and gallium(III) complexes, where both square planar and tetrahedral ligand arrangements are present, respectively. The typical ligand properties of the new double ylide chelates can thus be derived.