Abstract
Complexes of vanadium(II) chloride with pyrazole and imidazole of the type VCl 2(pyrazole) 4 and VCl 2 (imidazole) 6 were prepared. The complexes are unstable in air and substitution labile in solution. The electronic spectra of their methanolic solutions suggest octahedral symmetry. The participation of methanol in the first coordination sphere appears to be a function of the concentration of the ligand in solution. The values of Dq and B are calculated. The far infrared spectrum of the pyrazole complex in the crystalline state indicates a trans configuration. Magnetic measurements give values for the magnetic moments lower than the spin-only value.
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