Photolysis of group 6 metal carbonyl alkene complexes in liquefied noble gases: i.r. evidence for very labile dinitrogen and dihydrogen adducts
Abstract
Broad-band u.v. photolysis of [(trans-cyclo-octene)xM(CO)6 –x](x= 1 or 2, M = Cr or W) in liquid Kr or Xe solution doped with N2 or D2 leads to formation of thermally labile complexes in which an alkene and either N2 or D2 are co-ordinated to the same metal centre; in each case the presence of the alkene appears to weaken the M–N2 or M–D2 bond.