Materials Data on FeHgC4(SN)4 by Materials Project
FeHg(SCN)4 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. Fe2+ is bonded in a tetrahedral geometry to four equivalent N3- atoms. All Fe–N bond lengths are 1.95 Å. Hg2+ is bonded in a tetrahedral geometry to four equivalent S2- atoms. All Hg–S bond lengths are 2.64 Å. C4+ is bonded in a distorted linear geometry to one N3- and one S2- atom. The C–N bond length is 1.18 Å. The C–S bond length is 1.63 Å. N3- is bonded in a linear geometry to one Fe2+ and one C4+ atom. S2- is bonded in a water-like geometry to one Hg2+ and one C4+ atom.
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