Hg. Ang et al., SYNTHESIS AND THE X-RAY CRYSTAL-STRUCTURE OF [(MU-H)OS5CU(CO)18(PPH3)], Bulletin of the Chemical Society of Japan, 66(5), 1993, pp. 1438-1440
The hexanuclear bimetallic cluster [(mu-H)Os5Cu(CO)18(PPh3)] (1), was
prepared from the reaction of [(mu-H)2Os3(CO)10] with CF3COOCuPPh3. 1
was shown by X-ray analysis to consist of a pentaosmium framework with
a copper atom bridging four of the osmium atoms to form a puckered ''
ladder-like'' arrangement based on four triangular units.