Abstract
The crystal and molecular structures of bis(N-propyl-1,3-imidazolidine-2-thione)gold(I) chloride, [(PrImt)2Au]Cl, has been determined from three-dimensional x-ray intensity data collected on a CAD4 diffractometer. The compound crystallizes in the monoclinic space group P21/n witha=7.195(7),b=15.283(3),c=15.899(6) A, β=91.7(1) and Z = 4. Atomic parameters were refined by full-matrix least-squares methods to the R value of 6.2% for 2272 observed reflections. Gold(I) exhibits the usual linear coordination with S(1)-Au-S(10) angle of 177.7(1)°. The two [Prlmt] molecules are arranged intrans configuration which is attributed to the effects of intermolecular H-bonding between N-H and the halogen. The Au-S bond length is compared with the corresponding bond length in several known structures in order to evaluate thetrans influence of phosphorus, sulfur and chloride ligands on the Au-S bond.
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