Abstract
ML 2 complexes [M=Fe 2+, Co 2+, Ni 2+, Cu 2+; L=quinolin-8-olate (q), quinoline-8-thiolate (qt)] were prepared and their magnetic properties were studied. X-ray crystal structure analysis of Ni(qt) 2 reveals that nickel(II) ions are arranged to form a one-dimensional structure with double thiolate bridges. Magnetic susceptibility measurements of Ni(qt) 2 indicate that the nickel S=1 spins are ferromagnetically coupled within a chain. Other ML 2 showed antiferromagnetic interactions. Magnetic properties of molecular complexes of ML 2 with 7,7,8,8-tetracynanoquinodimethane (TCNQ) were also investigated. The crystal structure of Ni(qt) 2(TCNQ) was determined.
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