Germanium–transition-metal bonds: the importance of the leaving group in the preparation of metal-metal bonded compounds by nucleophilic displacement reactions

1971 ◽  
Vol 0 (3) ◽  
pp. 155-156 ◽  
Author(s):  
A. J. Cleland ◽  
S. A. Fieldhouse ◽  
B. H. Freeland ◽  
R. J. O'Brien
Keyword(s):  
Transition Metal ◽  
Nucleophilic Displacement ◽  
Metal Metal ◽  
Leaving Group ◽  
Displacement Reactions ◽  
Metal Bonds

Heterometallic cubane-type clusters containing group 13 and 16 elements

2012 ◽  
Vol 84 (11) ◽  
pp. 2233-2241 ◽  
Author(s):  
K. Geetharani ◽  
Shubhankar Kumar Bose ◽  
Sundargopal Ghosh
Keyword(s):  
Crystal Structure ◽  
Transition Metal ◽  
Spectroscopic Study ◽  
Carbonyl Compounds ◽  
Metal Carbonyl ◽  
Group 13 ◽  
Metal Metal ◽  
Valence Electrons ◽  
Group 6 ◽  
Metal Bonds

Heterometallic cubane-type clusters were synthesized from the reaction of group 6 and 8 metallaboranes using transition-metal carbonyl compounds. Structural and spectroscopic study revealed the existence of novel “capped-cubane” geometry. In addition, the crystal structure of these clusters distinctly confirms the presence of boride unit as one of the vertices. These clusters possess 60 cluster valence electrons (cve) and six metal–metal bonds. A plausible pathway for the formation of ruthenium-capped cubane has been described.

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