Bis(phthalocyaninato)gadolinium(III) Hexacyanobutadienide(1−), [GdPc2]+[C4(CN)6]-. An Electron Transfer Salt with Four Paramagnetic Sites

The reaction of GdPc2 and the strong electron acceptor C4(CN)6 forms [GdPc2][C4(CN)6], which is formulated as [GdIII(Pc•-)2]+[C4(CN)6]•- with four paramagnetic centers.