D. Loos et al., ((ET2O)2CLGA)GA(GACL2(ET2O))3! - A MOLECULAR-COMPOUND WITH A TETRAHEDRAL GA5 UNIT, Angewandte Chemie, International Edition in English, 32(7), 1993, pp. 1059-1060
Oxidation states between 0 and II can be formally assigned to the five
Ga atoms in the title compound 1 depending on the coordinating ligand
s. Each Ga atom has a tetrahedral coordination environment; the centra
l atom is surrounded by the other four Ga atoms. Compound 1 crystalliz
es at -30-degrees-C from a cryochemically prepared solution of GaCl in
toluene/diethyl ether.