TETRANUCLEAR BUTTERFLY CLUSTER DERIVATIVES OF SME2 - PREPARATION AND STRUCTURES OF RU4(CO)13(SME2), H2RU4(CO)12(SME2), AND HRU3CO(CO)12(SME2)

被引：19

作者：

ROSSI, S ^{[1
]}

PURSIAINEN, J ^{[1
]}

PAKKANEN, TA ^{[1
]}

机构：

[1] UNIV JOENSUU,DEPT CHEM,POB 111,SF-80181 JOENSUU,FINLAND

来源：

ORGANOMETALLICS | 1991年 / 10卷 / 05期

关键词：

D O I：

10.1021/om00051a033

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The carbonyl clusters Ru4(CO)13(SMe3) (1), H2Ru4(CO)12(SMe2) (2), and HRu3Co(CO)12(SMe2) (3) have been obtained in reactions between dimethyl sulfide and tri- or tetranuclear metal carbonyl clusters. These compounds have been characterized by X-ray diffraction studies. 1 crystallizes in space group P2(1)/n with a = 9.406 (3) angstrom, b = 15.393 (6) angstrom, c = 15.812 (6) angstrom, beta = 92.23 (3)-degrees, and Z = 4; 2, in space group P2(1) with a = 8.18 (1) angstrom, b = 15.86 (2) angstrom, c = 9.55 (1), beta = 114.6 (1)-degrees, and Z = 2; 3, in space group P2(1)/n with a = 9.349 (4) angstrom, b = 16.259 (7) angstrom, c = 14.469 (6) angstrom, beta = 92.04 (3)-degrees, and Z = 4. The compounds are butterfly clusters, in which the four-electron SMe2 ligand bridges the wing-tip positions. In 1 and 3 one of the carbonyls bridges the hinge of the butterfly; otherwise the compounds contain only terminal carbonyls. The hydrides occupy a wing and the hinge Ru-Ru bond in 2 and a wing Ru-Co bond in 3. In 3 the cobalt atom is in a hinge position. The chalcogenide derivatives of tetranuclear Ru-Co-Rh cluster compounds show a structural trend depending on the metal composition. Terminal coordination (Co4, RuCo3, and RuCo2Rh), butterfly structures (Ru4 and Ru3Co), or dimerization of clusters (RuRh3) is found.

引用

页码：1390 / 1394

页数：5

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