Orientational disorder in crystals of (NH4)3MoO3F3 and (NH4)3WO3F3
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Triammonium trioxotrifluoromolybdate (NH(4))(3)MoO(3)F(3) (I) and trioxotrifluorotungstate (NH(4))(3)WO(3)F(3) (II) were synthesized in a single-crystal form and their structures were refined by X-ray diffraction. These two isostructural compounds belong to th... ...