Oxo ligands as assembling units in mixed-metal cluster chemistry: Synthesis and X-ray structure of the bow-tie cluster [Mo2Ru3(mu(3)-O)(2)(mu(3)-CPh)(mu-C3Ph3)(CO)(8)(eta-C5H5)(2)]

被引:8
作者
Adams, H [1 ]
Gill, LJ [1 ]
Morris, MJ [1 ]
机构
[1] UNIV SHEFFIELD,DEPT CHEM,SHEFFIELD S3 7HF,S YORKSHIRE,ENGLAND
关键词
molybdenum; ruthenium; clusters; alkyne; alkylidyne; crystal structure;
D O I
10.1016/S0022-328X(96)06834-9
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The thermal reaction of [Mo-2(O)(mu-O)(mu-C4Ph4)(eta-C5H5)(2)] with [Ru-3(CO)(12)] gives the pentanuclear cluster [Mo2Ru3(mu(3)-O)(2)(mu(3)-CPh)(mu-C3Ph3)(CO)(8)(eta-C5H5)(2)], which has been crystallographically characterised. The compound displays several unusual features: (i) a highly distorted bow-tie structure in which the two metal triangles are virtually perpendicular; (ii) the cleavage of the initial four carbon chain into a dimetalla-allyl fragment and an alkylidyne group; (iii) the presence of two triply-bridging oxo ligands; and (iv) the coordination of one of the phenyl groups of the C3Ph3 ligand to ruthenium.
引用
收藏
页码:117 / 123
页数:7
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