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|Title:||Monochelates and bischelates of nickel(II) with bis-benzimidazolyl derivatives|
Gowda, N M Nanje
|Abstract:||The reaction of the hydrated halides/perchlorate of nickel(II) with bis-benzimidazolyl derivatives (I), namely, 1,3-bis(benzimidazol-2-yl) benzene(bbzlH2bzH; L1),1,3-bis(1-methylbenzimidazol-2-yl)benzene (bbzlMe2bzH; L2) and 2,6-bis(1-methylbenzimidazol-2-yl)pyridine (bbzlMe2py; L3) in stoichiometric amounts in absolute ethanol-teof and acetone has afforded a series of nickel(II) complexes with the formulae NiX2L.nH2O (X = Cl or Br, L = L1 or L2, n = 2; X = I, L = L2, n= 1; X = Cl, Br or I, L = L3 n = 0), NiI2L1H2O.(CH3)2CO and Ni(L)2(ClO4)2.nH2O (L = L1 or L2, n = 0; L = L3 , n = 2. The brown iodo complex, NiI2L3 turns green on exposure to atmosphere, giving NiI2L3.2H2O. The complexes have been characterised by elemental analyses, conductivity and magnetic measurement s, infrared and electronic spectral studies as well as thermal analysis.|
|Appears in Collections:||IJC-A Vol.42A(08) [August 2003]|
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