Molybdenum nitrosyl complexes containing bridging hydrazido-groups: X-ray analysis of the structure of {(π-C5H5)Mo(NO)I}2(µ-NNMe2)

Abstract

[(πC₅H₅)Mo(NO)X₂]₂ reacted with R¹R²NNH₂(R¹= R²= Me; X = Cl, Br, or I; R¹= H, R²= Ph, X = Cl or Br; R¹= Me, R²= Ph, X = Cl or Br) giving [{(π-C₅H₅)Mo(NO)X}₂NNR¹R²](A) and an X-ray cystallographic analysis showed that when, for (A), X = I, R¹= R²= Me, the molecule contained an asymmetric hydrazide group bridging two {(π-C₅H₅)Mo(NO)I} units; Mo(1) is bound to the terminal N atom and Mo(2) to both N atoms of the hydrazido ligand; the symmetrically bridged hydrazide [(π-C₅H₅)Mo(NO)I(NNHPh)]₂(B) was also prepared.