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Cluster Chemistry. V. Reactions Between t)> and and Related Chemistry: Crystal and Molecular Structures of Di-μ-carbonyl->-dicarbonyl(triphenylphosphine)ruthenium(2Ru-Pt)(Pt-Pt), ...
Bruce, Michael I.,Matisons, Janis G.,Skelton, Brian W.,White, Allan H.
, p. 687 - 708 (2007/10/02)
The reaction between t)> and (Pt(η-C2H4)(PPh3)2> at -30 deg C affords the thermally unstable intermediate complex (A), which decomposes at room temperature affording, inter alia, (1), (2), t)(PPh3)> (5) and t)(PPh3)> (6).The hexanuclear complexes t)(PPh3)4+n> are obtained, with t)(PPh3)4> (16), from reactions at 80 deg C.Related Ru2Pt and RuPt2 complexes are obtained from reactions between complex (A) and CO, CNBut, PMe3, P(C6H4Me-p)3, or P(OMe)3; related reactions between t)> and 4>, and between t)2> and , are also described.The crystal structure of has been determined by single-crystal X-ray diffraction methods at 295(1) K and refined by least squares to a residual of 0.035 for 6774 'observed' reflections.Crystals are triclinic, P1, a 15.893(5), b 15.400(5), c 12.651(4) Angstroem, α 57.04(2), β 77.09(3), γ 84.10(3) deg, Z 2.Crystals of the dibenzene solvate of complex are monoclinic, P21/c, a 11.868(4), b 18.647(8), c 29.24(1) Angstroem, β 98.35(3) deg, Z 4, the structure being refined to a residual of 0.057 for 4530 'observed' reflections.Ligand dispositions are compared in detail with those observed in the analogous compound previously described with the methyldiphenylphosphine ligand.
