Distortional Isomers of [LWOCl2]+ in the Solid State and in Solution; Crystal Structures of the Blue and Green Forms of [LWOCl2]PF6

The two distortional isomers of the title compound 1 have almost identical crystal structures but are different in color. The blue form of 1 has a shorter WO bond length than the green form. 1 is the first compound in which the distortional isomerism occurs in the solid state and in solution (LN, N′, N″-trimethyl-1,4,7-triazacyclononane).