Linear face-sharing trioctahedral [Mo 3 I 12 ] 3– by spontaneous thf loss from [Mol 4 (thf) 2 ] – : structure, bonding and magnetic properties

Complexes [Mo3X12]3–(X = I, Br) assemble by spontaneous thf loss in noncoordinating solvents from [MoX4(thf)2]– and exhibit a linear face-shared trioctahedral structure with, at the same time, delocalized metal–metal bonding and local moment antiferromagnetic exchange interactions.