A few heptacoordinated mixed ligand complexes of the type [Ln(L) (L´)₃Cl₂]Cl·nH₂O where Ln= Y(III), La(III), Pr(III), Nd(III), Sm(III), Gd(III) and Dy(III), L=diacetylmonoxime, L´ ═ thiourea, N-phenylthiourea and N,N´-diphenylthiourea and n ═ 3 or 4 have been prepared and characterised by elemental analysis, electronic spectra, IR, thermoanalytical and conductivity measurements.