Abstract: | The new anosovite‐type polymorph of the title compound is synthesized by reaction of either V2F6·4H2O or a mixture of 60 wt.% VF2·4H2O and 40 wt.% VF3·3H2O with a flowing water‐saturated gaseous mixture of 15—20 vol% H2 in argon (588 K, 14—18 h). |