Tetrakis(isopropylammonium) β-octamolybdate(VI)

The structural analysis revealed that the title compound, 4[C 3 H 10 N][Mo 8 O 26 ], contains discrete centrosymmetric polyanions, β-[Mo 8 O 26 ] 4- , linked to isopropylammonium cations through hydrogen bonds. Some of these hydrogen bonds play an important role in the UV-induced photochromism of this compound