The crystal structure of is(2-diphenylphosphinoethyl)phenylphosphine-P
,P',P ''] [bis(diphenylphosphino)methane-P,P'] carbonylmolybdenum(0),
[Mo(dpepp)(dppm)(CO)] [where dppm = Ph2PCH2PPh2 and dpepp = Ph2PCH2CH2
P(Ph)CH2CH2PPh2], is reported, In the distorted octahedral complex, th
e tridentate ligand adopts a facial arrangement with the monodentate l
igand trans to the central P atom, All Mo-P distances. are statistical
ly dissimilar.