T. Fujita et al., 2 COBALTACYCLOPENTADIENE COMPLEXES AND ONE CYCLOBUTADIENE COMPLEX, Acta crystallographica. Section C, Crystal structure communications, 51, 1995, pp. 2265-2269
The structures of three cobalt complexes, [1,4-bis(1-propynyl)-2,3-dim
ethyl-1 ,3-butadiene-1,4-diyl](eta 5-cyclopentadienyl)(triphenylphosph
ine)cobalt, [Co(C5H5)(C12H12)(C18H15P)], (eta(5)-cyclopentadienyl)[2,4
-diphenyl-1,3 1,3-butadiene-1,4-diyl](triphenylphosphine)cobalt, [Co(C
5H5)(C32H20)(C18H15P)], and ,3-bis(trimethylsilyl)-2,4-bis[4'-(trimeth
ylethyl) biphenyl-4-yl] cyclobutadiene}(eta(5)-cyclopentadienyl)cobalt
, [Co(C5H5)(C44H52Si4)], have been determined by single-crystal X-ray
diffraction.