Mixed-valence copper(<scp>i,ii</scp>) complexes with 4-(1H-pyrazol-1-yl)-6-R-pyrimidines: from ionic structures to coordination polymers

Abstract

All copper ions in a copper(<sc>i,ii</sc>) mixed-valence 1D-polymer show tetrahedral coordination cores, CuNBr₃ and CuN₂Br₂, which is extremely rare for mixed-valence copper(<sc>i,ii</sc>) compounds.