X-Ray structural determination of the tetrahedral ruthenium-osmium carbonyl hydrides [H2RuOs3(CO)13] and [Ph4As][H3RuOs3(CO)12]: an examination of bent semi-bridging metalcarbonyl bonding
作者:A.L. Rheingold、B.C. Gates、J.P. Scott、J.R. Budge
DOI:10.1016/s0022-328x(00)98916-2
日期:1987.9
[H2RuOs3(CO)13 (I): triclinic, P, a 9.046(4), b 9.140(4), c 26.560(9) Å, α 81.88(3), β 91.81(3), γ 112.07(3)°, V 2014(6) Å3, Z = 4, RF 4.91%. For [Ph4As][H3RuO3(CO)12] (II): monoclinic, P21/n, a 21.580(5), b 8.165(1), c 21.815(6) Å, β 91.16(2)°, V 3843.2(9) Å3, Z = 4, RF 4.40%. The two crystallographically independent molecules of I exhibit a wide range of bent semi-bridging metal carbonyl bond parameters
在晶体学上已经表征了两个第8族混合金属四面体簇。为[H 2个RuOs 3(CO)13(I):三斜晶系,P,一9.046(4),b 9.140(4),Ç 26.560(9)埃,α81.88(3),β91.81(3),γ 112.07(3)°,V 2014(6)3,ž = 4,- [R ˚F 4.91%。对于[Ph 4 As] [H 3 RuO 3(CO)12 ](II):单斜晶系,P 2 1 / n,a 21.580(5),b 8.165(1),Ç 21.815(6)α,β91.16(2)°,V 3843.2(9)埃3,Ž = 4,- [R ˚F 4.40%。I的两个在晶体学上独立的分子表现出宽范围的弯曲的半桥联金属羰基键参数,并且都符合Crabtree-Lavin经验方程式。II的结构包含两个Os原子和一个位置无序的Ru原子的μ-H边缘桥连基面。该平面由Os(CO)3组覆盖。在I和II中,