1,1,1,1,4,4,4,4-Octacarbonyl-2,2,3,3,5,5,6,6-octamethyl-cyclo-2,3,5,6-tetraantimony-1,4-dichromium.
The structure of the title compound, alternatively called bis(mu-tetramethyldistibinediyl)bis(tetracarbonylchromium), [Cr2Sb4(CH3)8(CO)8], consists of two Me4Sb2 bridging units between Cr(CO)4 complex fragments. The centre of the molecule is located on a special position of 2/m symmetry. This is the first characterized Sb4Cr2 heterocycle.
Universität Bremen, Leobener Strasse NW2, 28334 Bremen, Germany. breunig@chemie.uni-bremen.de
Hans Joachim
HJ
Breunig
Enno
E
Lork
Ovidiu
O
Moldovan
Ciprian I
CI
Raţ