Abstract

The in-situ reaction of LiTCNQ (TCNQ=7,7,8,8-tetracyano-pquinodimethane) and [Cu2(terpy)2(H2O)2(ta)][ClO4]2 (terpy=2,2′,2″-terpyridine, ta=terephthalate) forms an unpredictable complex {[Cu(terpy)CN]PCQ}n (1) (PCQ=p-tricyanovinylphenyldicyanomethide). X-ray crystallographic analysis and magnetic investigation show that 1 behaves as one-dimensional (1D) antiferromagnetic chains. The production of 1 proves that cyanide is formed in the process of PCQ− formation from TCNQ−.

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