Materials Data on HgF3 by Materials Project
(HgF2)2F2 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of four hydrofluoric acid molecules and one HgF2 framework. In the HgF2 framework, Hg is bonded in a body-centered cubic geometry to eight equivalent F atoms. All Hg–F bond lengths are 2.48 Å. F is bonded to four equivalent Hg atoms to form a mixture of edge and corner-sharing FHg4 tetrahedra.
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