STRUCTURE OF THE HETERONUCLEAR CLUSTER [AU-2,RU-4(MU(3)-H)(MU-H)(MU-PH(2)PCH=CHPPH(2))(CO)(12)]

被引：4
作者：
ADATIA, T
机构：
来源：
ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS | 1993年 / 49卷
关键词：
D O I：
10.1107/S0108270193006432
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The X-ray structure analysis shows that the digold tetraruthenium cluster [mu-bis(diphenylphosphino)ethene-5 kappa P:6 kappa P']-dodecacarbonyl-1 kappa(3)C,2 kappa(2)C,3 kappa(3)C,4 kappa(3)C-mu(3)-hydrido-1:2:3 kappa(3)H-mu-hydrido-1:4 kappa(2)H-di-goldtetraruthenium (6 Ru-Ru)(4 Ru-Au)(Au-Au),[Au2Ru4(mu(3)-H)(mu-H>(mu-Ph(2)PCH=CHPPh(2))(CO)(12)] (1), adopts a capped square-based pyramid geometry. The metal core consists of a square-based pyramid defined by two Au atoms and two Ru atoms in the basal plane with an Ru atom at the apex. The Ru-3 face of this Au2Ru3 unit is capped by another Ru atom [Au-Au 2.861 (2), Au-Ru 2.707 (2)-2.827 (2), Ru-Ru 2.796 (3)-3.017 (3) Angstrom]. The bis(diphenylphosphino)ethene ligand, cis-Ph(2)PCH=CHPPh(2), bridges the two Au atoms. One of the two hydride ligands caps an Ru-3 face and the other bridges an Ru-Ru edge of an adjacent Ru, face of the metal polyhedron. Each Ru atom is bonded to three terminal carbonyl groups.
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页码：1926 / 1929
页数：4
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