Materials Data on CdHgC4(SeN)4 by Materials Project
HgCdC4(NSe)4 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Hg2+ is bonded in a tetrahedral geometry to four equivalent Se2- atoms. All Hg–Se bond lengths are 2.74 Å. Cd2+ is bonded in a tetrahedral geometry to four equivalent N3- atoms. All Cd–N bond lengths are 2.20 Å. C4+ is bonded in a single-bond geometry to one N3- and one Se2- atom. The C–N bond length is 1.18 Å. The C–Se bond length is 1.81 Å. N3- is bonded in a linear geometry to one Cd2+ and one C4+ atom. Se2- is bonded in an L-shaped geometry to one Hg2+ and one C4+ atom.
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