Citrate, in Collaboration With a Guanidinium Ion, as a Generator of Cubane-Like Complexes With a Range of Metal Cations: Synthesis, Structures, and Magnetic Properties of [C(NH2)3]8[(MII)4(cit)4]8H2O (M = Mg, Mn, Fe, Co, Ni, and Zn; Cit = Citrate)

doi 10.1021/ic051779m.s001