Materials Data on Hg3Cl4O by Materials Project
Hg3OCl4 crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Hg2+ is bonded in a 2-coordinate geometry to one O2- and three Cl1- atoms. The Hg–O bond length is 2.10 Å. There are a spread of Hg–Cl bond distances ranging from 2.34–3.15 Å. O2- is bonded in a trigonal planar geometry to three equivalent Hg2+ atoms. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Hg2+ atom. In the second Cl1- site, Cl1- is bonded in a 6-coordinate geometry to six equivalent Hg2+ atoms.
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