Complexes of 1,2-dimethylimidazole with divalent cobalt, nickel, copper, and zinc
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 1923-1927
- https://doi.org/10.1039/j19710001923
Abstract
The preparation is described of the compounds ML4X2(L = 1,2-dimethylimidazole; M = Co, X = I or NO3; M = Ni, X = Cl, Br, I, or NO3; M = Cu, X = Br or NO3), ML2X2(M = Co, Ni, or Zn, X = Cl, Br, I, or NO3; M = Cu, X = Cl or NO3), CuL3Cl2 and ZnL4(NO3)2,H2O. Vibrational, electronic, and e.s.r. spectra and magnetic measurements are reported for these and structural information is deduced. The halogeno-complexes ML2X2 have pseudotetrahedral structures and CoL4X2 and ZnL4(NO3)2,H2O are probably tetrahedral. The compounds NiL4X2(X = Cl, Br, or I) are square and CuL3X2 is five-co-ordinate.Keywords
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