Complexes of Transition Metal(II) Thiocyanates with 1,2,4-Triazole

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Abstract
The preparation of complexes containing 1,2,4-triazole (trz) is described. The general formula is M(trz)2(CNS)2 with M = Mn, Fe, Co, Ni, Cu and Zn. For M = Ni two isomeric compounds have been isolated. The infrared spectra of the Ni compounds are assigned on the basis of the assignment for the free 1,2,4-triazole. One of the Ni compounds is a trinuclear complex according to its infrared spectrum. The other complexes are isomorphous, with exception perhaps of the Cu complex. For these compounds a polynuclear structure is proposed.

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