Variable-temperature nuclear magnetic resonance spectroscopic studies of the dynamic behaviour of the mixed-metal cluster compounds [MM′Ru4H2(µ-dppf)(CO)12][M = M′= Cu, Ag or Au; M = Cu, M′= Au; dppf = Fe(η5-C5H4PPh2)2] and the crystal structures of [MM′Ru4H2(µ-dppf)(CO)12](M = Cu or Au, M′= Au)
1996 ◽
pp. 643-652
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