Materials Data on Hg3(SeCl)2 by Materials Project
Hg3Se2Cl2 crystallizes in the cubic I2_13 space group. The structure is three-dimensional. Hg2+ is bonded in a see-saw-like geometry to two equivalent Se2- and two equivalent Cl1- atoms. Both Hg–Se bond lengths are 2.57 Å. Both Hg–Cl bond lengths are 2.96 Å. Se2- is bonded in a 3-coordinate geometry to three equivalent Hg2+ atoms. Cl1- is bonded in a distorted trigonal planar geometry to three equivalent Hg2+ atoms.
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