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The crystal structure of diphenyltellurium dibromide
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1958
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Inorganic ChemistryCrystal StructureEngineeringDephenyltellurium DibromideNatural SciencesChemical BondUnit CellMolecular BiologyStructure DeterminationStructure ElucidationTrial StructureChemistryCrystallographyCrystal Structure Design
Abstract : Dephenyltellurium dibromide crystallizes with the space-group symmetry I4 sub I. There are four molecules of (C6H5)2TeBr2 in the unit cell for which a = 11.421=0.010 A and c = 9.817=0.010 A. The trial structure was determined by means of two-dimensional Patterson and Fourier syntheses and refined by means of three-dimensional Fourier syntheses and the leastsquares routine on SWAC. The observed bond distances are 2.682=0.003 A for Te-Br and 2.14=0.03 A for Te-C, while the observed bond angles are 178.0=0.2 degrees for Br-Te-Br and 96.3=1.2 degrees for C-Te-C. Packing distances are all consistent with accepted van der Waals radii. (Author)