Coordination complexes containing multidentate ligands. : Part XIII. Nickel(II) and P. Rhodium(III)complexes of tetradentate diamine-dithioether ligands

✍ Scribed by W. Levanson; C.A. McAuliffe; F.P. McCullouch; A.M. Werfalli

• Publisher: Elsevier Science
• Year: 1977
• Tongue: English
• Weight: 549 KB
• Volume: 25
• Category: Article
• ISSN: 0020-1693
• DOI: 10.1016/s0020-1693(00)95722-0

✦ Synopsis

The preparation of four open-chain diaminedithioether ligands is described: o-HzNCc,H.$ -SC6-H',NHz-o (-= -CH2CH2 -CH2CH2CH2-, -CH2-CH,CH,CH2-, and cis-CHCH-). These form six-coordinate pseudo-octahedral tram-[NiLX2] (X = Cl, Br, I, NCS) complexes, which exhibit varying degrees of tetragonal distortion but which is least for the ligand with the C&',C, carbon backbone sequence between the four donors. The parameters DG", 0: and Dt are evaluated and discussed in relation to changes in L and X. Rhodium(M) salts do not form simple monomeric adducts, but Rh&3C112 can be readily isolated;

this phenomenon is discussed.