Abstract
The crystal and molecular structures of the title compounds, [(o-tol)3PAu(6-MP)]·EtOH and [(c-hexyl)3PAu(6-Me-2-TU)], have been determined and each show the presence of a linear geometry about the Au atom; both of the thionucleobases function as thiolate ligands. Important interatomic parameters for [(o-tol)3PAu(6-MP)] are Au−S 2.266(2), Au−P 2.239(2) A and S−Au−P 177.03(8)° and for [(c-hexyl)3PAu(6-Me-2-TU)]: Au−S 2.299(3), Au−P 2.244(3) A and S−Au−P 176.1(1)°. Crystals of [(o-tol)3PAu(6-MP)]·EtOH are monoclinic with space groupP21/n, and unit cell dimensionsa=10.067(2),b=10.518(2),c=25.416(4) A, β=98.42(2)°,Z=4. The structure was refined to finalR=0.040 for 4183 data withI≥3.0σ(I). Crystals of [(c-hexyl)3PAu(6-Me-2-TU)] are monoclinic with space groupP21/c, and unit cell dimensionsa=9.692(4),b=15.822(4),c=15.775(3) A, β=94.00(2)°,Z=4,R=0.033 for 2666 data.
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