Polymetallic complexes. part iii. schiff base complexes of cobalt(ii), copper(ii), cadmium(ii) and mercury(ii)

Eight polymetallic complexes have been synthesised of the composition M2L2.nB [M = Co(II), n = 4, B=H2O, M = Cu(II), Cd(II) and Hg(II), n = 0] M2L2'.nB [M = Co(II), n = 4, B = H2O; M = Cu(II), Cd(II) and Hg(II), n = 0], LH2 = bi-bidentate Schiff base derived from benzoin with m-phenylenediamine; L'Hz = tridentate Schiff base derived from benzoin with o-aminophenol. Elemental analysis, conductance, magnetic susceptibility, i.r. and electronic spectral measurements have been done to characterise the complex compounds. A dinuclear octahedral configuration has been assigned to the cobalt(II) complexes and a dinuclear square planar structure to the copper(II) complexes. A tetrahedral configuration has been attributed to the cadmiurn(II) and mercury(II) complexes.

[1]  R. J. Angelici,et al.  Novel transition-metal complexes of camphorquinone dioxime ligands , 1980 .

[2]  N. Mishra,et al.  Complexes of Co(II), Ni(II), Cu(II) and Zn(II) with ethyl acetoacetate semicarbazone and thiosemicarbazone , 1979 .

[3]  P. A. Vigato,et al.  Transition metal complexes with binucleating ligands , 1977 .

[4]  B. Mahapatra,et al.  Complexes of Co(II), Ni(II), Cu(II), Zn(II), Cd(II) and Hg(II) with a tridentate Schiff's base , 1977 .

[5]  T. Tokii,et al.  Magnetic and spectral studies on copper(II) complexes with N-hydroxyalkylsalicylideneimines , 1972 .

[6]  D. Vince,et al.  The nature of the copper(II) complexes of Pyridine-2-carbaldehyde oxime with the metal-to-ligand ratio of 1 : 1 , 1972 .

[7]  J. Parks,et al.  Three-dimensional macrocyclic encapsulation reactions. II. Synthesis and properties of nonoctahedral clathro chelates derived from tris(2-aldoximo-6-pyridyl)phosphine and boron trifluoride or tetrafluoroborate , 1971 .

[8]  L. Ehrenberg,et al.  Magnetic Properties of (Acyloin oximato)copper(II) Complexes. Studies in Magnetochemistry 26. , 1971 .

[9]  W. Stratton,et al.  Metal complexes with azine ligands. III. Biacetyl oxime azine with nickel(II) , 1970 .

[10]  E. Sinn,et al.  Schiff base metal complexes as ligands1 , 1969 .

[11]  J. Kovacic.  The CN stretching frequency in the infrared spectra of Schiff's base complexes—I. Copper complexes of salicylidene anilines , 1967 .

[12]  J. Charette,et al.  Physico-chemical properties of co-ordinating compounds—III , 1963 .

[13]  R. R. Holmes.  Pressure measurements in the arsenic trichloride-chlorine system and the arsenic and antimony tribromide-bromine systems , 1961 .

[14]  H. H. Freedman.  Intramolecular H-Bonds. I. A Spectroscopic Study of the Hydrogen Bond between Hydroxyl and Nitrogen , 1961 .

[15]  I. Gamo.  Infrared Spectra of Water of Crystallization in Some Inorganic Chlorides and Sulfates , 1961 .

[16]  J. Bailar,et al.  The Stereochemistry of Metal Chelates with Polydentate Ligands. Part I , 1955 .