The synthesis and characterisation of [Pd(S2CNEt2) {Ph2P(CH2)n PPh2}]+ salts of some chlorometallate anions (n = 1, 3, 4):: X-ray crystal structures of the salts [Pd(S2CNEt2){Ph2P(CH2)n PPh2}]2[MCl4] (n = 1, 4; M = Cd; n = 3; M = Hg)

The palladium complexes [PdCl2{Ph2P(CH2)(n)PPh2}] (n = 1, 3, 4) react with the bi- and tri-valent metal diethyldithiocarbamates [M(S2CNEt2)(2)] (M = Zn, Cd, Hg, Ph) and [Mn(S2CNEt2)(3)] in cold dichloromethane solution to afford salts of the general form [Pd(S2CNEt2){Ph2P(CH2)(n)PPh2}](2)[MCl4] in almost quantitative yield. X-ray crystal structures are reported for the salts [Pd(S2CNEt2){Ph2P(CH2)(n)PPh2}](2)[MCl4] (n = 1, 4; M = Cd: n = 3, M = Hg). Structural parameters, IR and NMR spectroscopic data for these salts are compared with similar data previously reported for salts of the related cation [Pd(S2CNEt2){Ph2P(CH2)(2)PPh2}](+). (C) 2000 Elsevier Science Ltd. All rights reserved.