Article ID Journal Published Year Pages File Type
1234241 Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2010 4 Pages PDF
Abstract

New bimetallic complex salts corresponding to the formulation [Ni(L)][MCl4] have been synthesized by the facile reaction between [Ni(L)](ClO4)2 and [MCl2(PPh3)2] in high yields {where M = Co(II), Zn(II), Hg(II) and L = 3,7-bis(2-aminoethyl)-1,3,5,7-tetraazabicyclo(3.3.1)nonane}. The complexes were characterized by IR, electronic spectra, TGA/DSC, magnetic moment and conductivity measurements. The X-ray crystal structure for [Ni(L)][CoCl4] clearly establishes the cationic–anionic interaction. It crystallizes in the space group P1 with unit cell dimensions a = 7.1740(15) Å, b = 8.1583(16) Å and c = 8.3102(16) Å. A square-planar geometry is evident for the [Ni(L)]2+ cation while the anion is found to be tetrahedral. A two-step thermolytic pattern is observed in the pyrolysis of the bimetallic complex salts.

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Physical Sciences and Engineering Chemistry Analytical Chemistry
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