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Synthesis of [Os 5 (CO) 15 ] 2– , [HOs 5 (CO) 15 ] – , and [H 2 Os 5 (CO) 15 ]; X-ray crystal structure of [(Ph 3 P) 2 N] + [HOs 5 (CO) 15 ] –

1976; Royal Society of Chemistry; Issue: 20 Linguagem: Inglês

10.1039/c39760000807

2050-5639

Colin R. Eady, John J. Guy, Brian F. G. Johnson, Jack Lewis, Maria Carlotta Malatesta, George M. Sheldrick,

Coordination Chemistry and Organometallics

The complex [Os6(CO)13] reacts with methanolic potassium hydroxide to produce [Os5(CO)15]2– which, upon acidification, gives [HOs5(CO)15]– and [H2Os5(CO)15]; single crystal X-ray diffraction and 13C n.m.r. studies show the presence, within the anionic pentaosmium clusters, of trigonal bipyramidal metal arrangements.