As a result of its trans geometry, the title compound, [Mo{(C6H4Cl)(3)
P}(2)(CO)(4)], has short Mo-P bonds [mean value 2.483(1)Angstrom] in s
pite of the presence of bulky chloro-substituted phenyl rings, The Mo
atom displays nearly perfect octahedral coordination, Average Mo-C and
C-O distances are 2.021(5) and 1.141(6)Angstrom, respectively.