Metal–radical approach to high spin molecules: a pentanuclear µ-cyano CrIIINiII(radical)2 complex with a low-lying S = 9 ground state

Reacting hexacyanochromate(III) with a mononuclear Ni(II) complex chelated by two bidentate organic radicals leads to a pentanuclear complex with three different kinds of paramagnetic species interacting ferromagnetically and stabilising a high spin S = 9 ground state.