Cluster chemistry: LX. Reactions of the complex Ru5(μ5-η2,P-C2PPh2)(μ-PPh2)(CO)13 with CO or dihydrogen. X-Ray crystal structures of Ru5(μ-H)(μ5-CCHPPh2)(μ-PPh2)(CO)13, Ru5(μ-H)2(μ4-CCH2PPh2)(μ-PPh2)(CO)12 and Ru5C(μ-H)3(μ-PPh2)(CO)11(PMePh2)☆
作者： Michael I. Bruce , Michael L. Williams , Brian W. Skelton , Allan H. White
DOI: 10.1016/0022-328X(89)85190-3
关键词: Crystallography 、 Stereochemistry 、 Carbyne 、 Triple bond 、 Cluster chemistry 、 X-ray crystallography 、 Monoclinic crystal system 、 Crystal structure 、 Triclinic crystal system 、 Chemistry 、 Molecule
摘要: The complex Ru5(μ5-C2PPh2)(μ-PPh2)(CO)13 (2) reacts with CO (10 atm, 25°C, 36 h) to give Ru5(μ5-C2PPh2)(μ-PPh2)(CO)15, which is converted under (12 70°C, 22 into an isomeric cluster, both clusters containing Ru2-spiked Ru3 cores. Under more vigorous conditions (20 100°C, 16 h), Ru4(μ4-C2)(μ-PPh2)2(CO)12, a C2 molecule bridging two Ru2(μ-PPh2)(CO)6 moieties, formed. Complex 2 H2 (1 80°C, 5 successively Ru5(μ-H)(μ5-CCHPPh2)(μ-PPh2)(CO)13 (13), Ru5(μ-H)2(μ4-CCH2PPh2)(μ-PPh2)(CO)12 (14), and Ru5C(μ-H)3(μ-PPh2)(CO)11(PMePh2) (15), the CC triple bond thereby being reduced (C + CH3). pressure 18 mixture of Ru4(μ-H)3(μ4-HC2PPh2)(μ-PPh2)(CO)10 Ru4(μ-H)4(CO)12 molecular structures transformations these complexes are discussed. Crystal data for 13: monoclinic, space group P21/n, 25.115(6), b 10.126(2), c 17.373(4) A, β 109.88(2)°, Z = 4; 9411 observed were refined R 0.038, R′ 0.032; 14: triclinic, P1, 16.98(1), 12.171(4), 10.762(5) α 71.16(4), 87.20(4), γ 72.23(5)°, 2; 6312 0.063, 0.085; 15: 18.658(4), 12.483(3), 9.678(2) 69.13(2), 78.21(2), 73.19(2)°, 10214 0.026, 0.029.
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