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Structure of the polyhedral metal–borane complex methyltriphenylphosphonium bis(dodecahydro-nido-decaborato)zincate [Ph<sub>3</sub>MeP]<sub>2</sub>[Zn(B<sub>10</sub>H<sub>12</sub>)<sub>2</sub>]
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1971
Year
Materials ScienceInorganic ChemistryCrystal StructureEngineeringTheoretical Inorganic ChemistryBoron ClusterX-ray Diffraction AnalysisCoordination ComplexMercury AnaloguesChemistryCrystallographyCrystal Structure DesignInorganic Compound
The structure of the compound [Ph3MeP]2[Zn(B10H12)2] has been determined by X-ray diffraction analysis; 4569 reflections were measured on a four-circle diffractometer. Crystals of the salt are monoclinic, space group C2/c with Z= 8 in the unit cell of dimensions a= 41·549(34), b= 10·071(8), c= 23·500(18)Å, and β= 99·20(5)°. The structure was solved by Fourier methods and refined by least-squares calculations to a final R of 8·9%; all 121 atoms were located. The anionic complex can be considered to comprise two bidentate B10H122– ligands co-ordinated tetrahedrally to zinc(II). The distortions in the boron cluster due to the large size of the zinc atom are discussed. The cadmium and mercury analogues were shown to be isostructural.