Nearly regular tetrahedral geometry in a gold(I)-phosphine complex. X-Ray crystal structure of tetrakis(methyldiphenylphosphine)gold(I) hexafluorophosphate

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Abstract
An X-ray crystal structure determination shows the gold(I) complex with four methyldiphenylphosphine ligands to have symmetry with all Au–P bond lengths equal and nearly tetrahedral angles; further, 31P n.m.r. spectroscopy at –80 °C indicates that the nearly tetrahedral species persists in solution.