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Materials Data on ZrHg3(SeCl3)2 by Materials Project

ZrHg3(SeCl3)2 is Krennerite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Zr4+ is bonded to six Cl1- atoms to form ZrCl6 octahedra that share corners with twelve HgSe2Cl4 octahedra. The corner-sharing octahedra tilt angles range from 41–69°. There are four shorter (2.49 Å) and two longer (2.50 Å) Zr–Cl bond lengths. There are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to two equivalent Se2- and four Cl1- atoms to form distorted HgSe2Cl4 octahedra that share corners with four equivalent ZrCl6 octahedra and edges with four HgSe2Cl4 octahedra. The corner-sharing octahedra tilt angles range from 41–69°. Both Hg–Se bond lengths are 2.55 Å. There are a spread of Hg–Cl bond distances ranging from 3.21–3.36 Å. In the second Hg2+ site, Hg2+ is bonded to two equivalent Se2- and four Cl1- atoms to form HgSe2Cl4 octahedra that share corners with four equivalent ZrCl6 octahedra and edges with four equivalent HgSe2Cl4 octahedra. The corner-sharing octahedra tilt angles range from 48–49°. Both Hg–Se bond lengths are 2.57 Å. There are two shorter (3.12 Å) and two longer (3.15 Å) Hg–Cl bond lengths. Se2- is bonded in a 3-coordinate geometry to three Hg2+ atoms. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 1-coordinate geometry to one Zr4+ and two Hg2+ atoms. In the second Cl1- site, Cl1- is bonded in a 1-coordinate geometry to one Zr4+ and two Hg2+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Zr4+ and two equivalent Hg2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HfHg3(SeCl3)2 by Materials Project

HfHg3(SeCl3)2 is Krennerite-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Hf4+ is bonded to six Cl1- atoms to form HfCl6 octahedra that share corners with twelve HgSe2Cl4 octahedra. The corner-sharing octahedra tilt angles range from 41–69°. There are four shorter (2.46 Å) and two longer (2.47 Å) Hf–Cl bond lengths. There are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to two equivalent Se2- and four Cl1- atoms to form distorted HgSe2Cl4 octahedra that share corners with four equivalent HfCl6 octahedra and edges with four HgSe2Cl4 octahedra. The corner-sharing octahedra tilt angles range from 41–69°. Both Hg–Se bond lengths are 2.55 Å. There are a spread of Hg–Cl bond distances ranging from 3.23–3.35 Å. In the second Hg2+ site, Hg2+ is bonded to two equivalent Se2- and four Cl1- atoms to form HgSe2Cl4 octahedra that share corners with four equivalent HfCl6 octahedra and edges with four equivalent HgSe2Cl4 octahedra. The corner-sharing octahedra tilt angles range from 47–49°. Both Hg–Se bond lengths are 2.57 Å. There are two shorter (3.13 Å) and two longer (3.16 Å) Hg–Cl bond lengths. Se2- is bonded in a 3-coordinate geometry to three Hg2+ atoms. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 1-coordinate geometry to one Hf4+ and two Hg2+ atoms. In the second Cl1- site, Cl1- is bonded in a 1-coordinate geometry to one Hf4+ and two Hg2+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Hf4+ and two equivalent Hg2+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on HgI2 by Materials Project

HgI2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional and consists of two HgI2 frameworks. there are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to four I1- atoms to form corner-sharing HgI4 tetrahedra. There are a spread of Hg–I bond distances ranging from 2.86–2.88 Å. In the second Hg2+ site, Hg2+ is bonded to four I1- atoms to form corner-sharing HgI4 tetrahedra. There are a spread of Hg–I bond distances ranging from 2.86–2.88 Å. In the third Hg2+ site, Hg2+ is bonded to four I1- atoms to form corner-sharing HgI4 tetrahedra. There are a spread of Hg–I bond distances ranging from 2.86–2.88 Å. In the fourth Hg2+ site, Hg2+ is bonded to four I1- atoms to form corner-sharing HgI4 tetrahedra. There are a spread of Hg–I bond distances ranging from 2.86–2.88 Å. There are eight inequivalent I1- sites. In the first I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the second I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the third I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the fourth I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the fifth I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the sixth I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the seventh I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms. In the eighth I1- site, I1- is bonded in a water-like geometry to two Hg2+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on SnHg2(SBr)2 by Materials Project

Hg2Sn(SBr)2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 2-coordinate geometry to two S2- and three Br1- atoms. Both Hg–S bond lengths are 2.40 Å. There are two shorter (3.38 Å) and one longer (3.43 Å) Hg–Br bond lengths. In the second Hg2+ site, Hg2+ is bonded in a 2-coordinate geometry to three S2- and two equivalent Br1- atoms. There are a spread of Hg–S bond distances ranging from 2.40–3.08 Å. There are one shorter (3.46 Å) and one longer (3.56 Å) Hg–Br bond lengths. Sn2+ is bonded to two S2- and three Br1- atoms to form distorted edge-sharing SnS2Br3 square pyramids. There are one shorter (3.01 Å) and one longer (3.08 Å) Sn–S bond lengths. There are a spread of Sn–Br bond distances ranging from 2.84–2.96 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a 3-coordinate geometry to two Hg2+ and one Sn2+ atom. In the second S2- site, S2- is bonded in a 4-coordinate geometry to three Hg2+ and one Sn2+ atom. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 1-coordinate geometry to four Hg2+ and one Sn2+ atom. In the second Br1- site, Br1- is bonded in a 3-coordinate geometry to one Hg2+ and two equivalent Sn2+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on HgC2(SN)2 by Materials Project

Hg(SCN)2 crystallizes in the triclinic P1 space group. The structure is two-dimensional and consists of one Hg(SCN)2 sheet oriented in the (0, 0, 1) direction. Hg2+ is bonded to four N3- and two S2- atoms to form edge-sharing HgS2N4 octahedra. There are three shorter (2.84 Å) and one longer (2.86 Å) Hg–N bond lengths. Both Hg–S bond lengths are 2.45 Å. There are two inequivalent C4+ sites. In the first C4+ site, 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 1.65 Å. In the second C4+ site, 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 1.65 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a distorted single-bond geometry to two equivalent Hg2+ and one C4+ atom. In the second N3- site, N3- is bonded in a distorted single-bond geometry to two equivalent Hg2+ and one C4+ atom. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded in a water-like geometry to one Hg2+ and one C4+ atom. In the second S2- site, S2- is bonded in a water-like geometry to one Hg2+ and one C4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CuHgSCl by Materials Project

CuHgSCl crystallizes in the orthorhombic Pmma space group. The structure is three-dimensional. Cu1+ is bonded to two equivalent S2- and two Cl1- atoms to form CuS2Cl2 tetrahedra that share corners with two equivalent HgS2Cl4 octahedra, corners with two equivalent CuS2Cl2 tetrahedra, edges with two equivalent HgS2Cl4 octahedra, and an edgeedge with one CuS2Cl2 tetrahedra. The corner-sharing octahedral tilt angles are 51°. Both Cu–S bond lengths are 2.26 Å. There are one shorter (2.38 Å) and one longer (2.54 Å) Cu–Cl bond lengths. There are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a rectangular see-saw-like geometry to two equivalent S2- and two equivalent Cl1- atoms. Both Hg–S bond lengths are 2.45 Å. Both Hg–Cl bond lengths are 3.02 Å. In the second Hg2+ site, Hg2+ is bonded to two equivalent S2- and four equivalent Cl1- atoms to form distorted HgS2Cl4 octahedra that share corners with four equivalent HgS2Cl4 octahedra, corners with four equivalent CuS2Cl2 tetrahedra, edges with four equivalent HgS2Cl4 octahedra, and edges with four equivalent CuS2Cl2 tetrahedra. The corner-sharing octahedral tilt angles are 18°. Both Hg–S bond lengths are 2.41 Å. All Hg–Cl bond lengths are 3.30 Å. S2- is bonded to two equivalent Cu1+ and two Hg2+ atoms to form corner-sharing SCu2Hg2 trigonal pyramids. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Cu1+ and two equivalent Hg2+ atoms. In the second Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two equivalent Cu1+ and four equivalent Hg2+ atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Ga2HgTe4 by Materials Project

HgGa2Te4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to four Te2- atoms to form HgTe4 tetrahedra that share corners with eight GaTe4 tetrahedra. There are a spread of Hg–Te bond distances ranging from 2.84–2.92 Å. In the second Hg2+ site, Hg2+ is bonded to four Te2- atoms to form HgTe4 tetrahedra that share corners with eight GaTe4 tetrahedra. There are a spread of Hg–Te bond distances ranging from 2.76–3.04 Å. In the third Hg2+ site, Hg2+ is bonded to four Te2- atoms to form HgTe4 tetrahedra that share corners with eight GaTe4 tetrahedra. There are a spread of Hg–Te bond distances ranging from 2.85–2.90 Å. In the fourth Hg2+ site, Hg2+ is bonded to four Te2- atoms to form HgTe4 tetrahedra that share corners with eight GaTe4 tetrahedra. There are a spread of Hg–Te bond distances ranging from 2.76–2.98 Å. There are eight inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with four GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.66–2.71 Å. In the second Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with four GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.57–2.86 Å. In the third Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with five GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.68–2.76 Å. In the fourth Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with four GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.69–2.73 Å. In the fifth Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with five GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.65–2.74 Å. In the sixth Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with four GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.57–2.80 Å. In the seventh Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with five GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.65–2.73 Å. In the eighth Ga3+ site, Ga3+ is bonded to four Te2- atoms to form GaTe4 tetrahedra that share corners with four HgTe4 tetrahedra and corners with five GaTe4 tetrahedra. There are a spread of Ga–Te bond distances ranging from 2.68–2.77 Å. There are sixteen inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a tetrahedral geometry to one Hg2+ and three Ga3+ atoms. In the second Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the third Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the fourth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the fifth Te2- site, Te2- is bonded in a 3-coordinate geometry to one Hg2+ and two Ga3+ atoms. In the sixth Te2- site, Te2- is bonded in a distorted water-like geometry to one Hg2+ and one Ga3+ atom. In the seventh Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the eighth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the ninth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the tenth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the eleventh Te2- site, Te2- is bonded in a distorted water-like geometry to one Hg2+ and one Ga3+ atom. In the twelfth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the thirteenth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the fourteenth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the fifteenth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to one Hg2+ and two Ga3+ atoms. In the sixteenth Te2- site, Te2- is bonded in a tetrahedral geometry to one Hg2+ and three Ga3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CdHg3C6S6(N3Cl)2 by Materials Project

Hg3CdCl2(SCN)6 crystallizes in the trigonal R3c space group. The structure is three-dimensional. there are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 4-coordinate geometry to two S2- and two equivalent Cl1- atoms. There are one shorter (2.48 Å) and one longer (2.51 Å) Hg–S bond lengths. There are one shorter (2.73 Å) and one longer (2.85 Å) Hg–Cl bond lengths. In the second Hg2+ site, Hg2+ is bonded in a distorted rectangular see-saw-like geometry to two S2- and two Cl1- atoms. There are one shorter (2.48 Å) and one longer (2.50 Å) Hg–S bond lengths. There are one shorter (2.79 Å) and one longer (2.84 Å) Hg–Cl bond lengths. There are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded in an octahedral geometry to six N3- atoms. There are three shorter (2.35 Å) and three longer (2.37 Å) Cd–N bond lengths. In the second Cd2+ site, Cd2+ is bonded in an octahedral geometry to six N3- atoms. There are three shorter (2.35 Å) and three longer (2.38 Å) Cd–N bond lengths. There are four inequivalent C4+ sites. In the first C4+ site, C4+ is bonded in a linear geometry to one N3- and one S2- atom. The C–N bond length is 1.17 Å. The C–S bond length is 1.66 Å. In the second C4+ site, C4+ is bonded in a distorted linear geometry to one N3- and one S2- atom. The C–N bond length is 1.17 Å. The C–S bond length is 1.66 Å. In the third C4+ site, C4+ is bonded in a linear geometry to one N3- and one S2- atom. The C–N bond length is 1.17 Å. The C–S bond length is 1.66 Å. In the fourth C4+ site, 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 1.65 Å. There are four inequivalent N3- sites. In the first N3- site, N3- is bonded in a linear geometry to one Cd2+ and one C4+ atom. In the second N3- site, N3- is bonded in a linear geometry to one Cd2+ and one C4+ atom. In the third N3- site, N3- is bonded in a linear geometry to one Cd2+ and one C4+ atom. In the fourth N3- site, N3- is bonded in a linear geometry to one Cd2+ and one C4+ atom. There are four inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted L-shaped geometry to one Hg2+ and one C4+ atom. In the second S2- site, S2- is bonded in a water-like geometry to one Hg2+ and one C4+ atom. In the third S2- site, S2- is bonded in a distorted water-like geometry to one Hg2+ and one C4+ atom. In the fourth S2- site, S2- is bonded in a water-like geometry to one Hg2+ and one C4+ atom. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a trigonal non-coplanar geometry to three equivalent Hg2+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted trigonal planar geometry to three Hg2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Y2Hg2O5 by Materials Project

Y2Hg2O5 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded to six O2- atoms to form distorted edge-sharing YO6 pentagonal pyramids. There are a spread of Y–O bond distances ranging from 2.22–2.56 Å. In the second Y3+ site, Y3+ is bonded to six O2- atoms to form distorted edge-sharing YO6 octahedra. There are a spread of Y–O bond distances ranging from 2.15–2.51 Å. In the third Y3+ site, Y3+ is bonded to six O2- atoms to form distorted edge-sharing YO6 pentagonal pyramids. There are a spread of Y–O bond distances ranging from 2.22–2.56 Å. In the fourth Y3+ site, Y3+ is bonded to six O2- atoms to form distorted edge-sharing YO6 octahedra. There are a spread of Y–O bond distances ranging from 2.15–2.51 Å. There are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Hg–O bond distances ranging from 2.06–2.50 Å. In the second Hg2+ site, Hg2+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Hg–O bond distances ranging from 2.05–2.61 Å. In the third Hg2+ site, Hg2+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Hg–O bond distances ranging from 2.05–2.59 Å. In the fourth Hg2+ site, Hg2+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Hg–O bond distances ranging from 2.06–2.50 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Y3+ and one Hg2+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Y3+ and one Hg2+ atom. In the third O2- site, O2- is bonded to three Y3+ and one Hg2+ atom to form a mixture of distorted edge and corner-sharing OY3Hg trigonal pyramids. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Y3+ and two Hg2+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Y3+ and two Hg2+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Y3+ and one Hg2+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Y3+ and one Hg2+ atom. In the eighth O2- site, O2- is bonded to three Y3+ and one Hg2+ atom to form a mixture of edge and corner-sharing OY3Hg trigonal pyramids. In the ninth O2- site, O2- is bonded to three Y3+ and one Hg2+ atom to form a mixture of distorted edge and corner-sharing OY3Hg trigonal pyramids. In the tenth O2- site, O2- is bonded to three Y3+ and one Hg2+ atom to form a mixture of edge and corner-sharing OY3Hg trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on In2Hg8As5Br7 by Materials Project

(Hg2As)4In2AsBr6Br is beta Tridymite-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional and consists of two hydrobromic acid molecules, two In2AsBr6 clusters, and one Hg2As framework. In each In2AsBr6 cluster, In3+ is bonded to one As3- and three Br1- atoms to form corner-sharing InAsBr3 tetrahedra. The In–As bond length is 2.64 Å. All In–Br bond lengths are 2.58 Å. As3- is bonded in a linear geometry to two equivalent In3+ atoms. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a single-bond geometry to one In3+ atom. In the second Br1- site, Br1- is bonded in a single-bond geometry to one In3+ atom. In the Hg2As framework, there are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a linear geometry to two As3- atoms. There are one shorter (2.55 Å) and one longer (2.56 Å) Hg–As bond lengths. In the second Hg2+ site, Hg2+ is bonded in a linear geometry to two equivalent As3- atoms. Both Hg–As bond lengths are 2.54 Å. In the third Hg2+ site, Hg2+ is bonded in a linear geometry to two equivalent As3- atoms. Both Hg–As bond lengths are 2.53 Å. In the fourth Hg2+ site, Hg2+ is bonded in a linear geometry to two equivalent As3- atoms. Both Hg–As bond lengths are 2.53 Å. There are two inequivalent As3- sites. In the first As3- site, As3- is bonded to four Hg2+ atoms to form corner-sharing AsHg4 tetrahedra. In the second As3- site, As3- is bonded to four Hg2+ atoms to form corner-sharing AsHg4 tetrahedra.

36 MATERIALS SCIENCE↗
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Materials Data on HgPt3 by Materials Project

Pt3Hg crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent Pt+0.67- sites. In the first Pt+0.67- site, Pt+0.67- is bonded to ten Pt+0.67- and two equivalent Hg2+ atoms to form PtHg2Pt10 cuboctahedra that share corners with twelve equivalent PtHg2Pt10 cuboctahedra, edges with four equivalent HgHg2Pt10 cuboctahedra, edges with twenty PtHg2Pt10 cuboctahedra, faces with eight equivalent HgHg2Pt10 cuboctahedra, and faces with ten PtHg2Pt10 cuboctahedra. There are eight shorter (2.86 Å) and two longer (2.91 Å) Pt–Pt bond lengths. Both Pt–Hg bond lengths are 2.91 Å. In the second Pt+0.67- site, Pt+0.67- is bonded to eight Pt+0.67- and four equivalent Hg2+ atoms to form distorted PtHg4Pt8 cuboctahedra that share corners with twelve equivalent PtHg4Pt8 cuboctahedra, edges with eight equivalent HgHg2Pt10 cuboctahedra, edges with sixteen PtHg2Pt10 cuboctahedra, faces with four equivalent HgHg2Pt10 cuboctahedra, and faces with fourteen PtHg2Pt10 cuboctahedra. All Pt–Pt bond lengths are 2.91 Å. All Pt–Hg bond lengths are 2.86 Å. Hg2+ is bonded to ten Pt+0.67- and two equivalent Hg2+ atoms to form distorted HgHg2Pt10 cuboctahedra that share corners with twelve equivalent HgHg2Pt10 cuboctahedra, edges with four equivalent HgHg2Pt10 cuboctahedra, edges with twenty PtHg2Pt10 cuboctahedra, faces with two equivalent HgHg2Pt10 cuboctahedra, and faces with sixteen PtHg2Pt10 cuboctahedra. Both Hg–Hg bond lengths are 2.91 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ga3Hg by Materials Project

HgGa3 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Hg is bonded to twelve Ga atoms to form HgGa12 cuboctahedra that share corners with four equivalent HgGa12 cuboctahedra, edges with eight equivalent HgGa12 cuboctahedra, edges with sixteen equivalent GaGa8Hg4 cuboctahedra, faces with four equivalent HgGa12 cuboctahedra, and faces with eight equivalent GaGa8Hg4 cuboctahedra. There are four shorter (3.00 Å) and eight longer (3.15 Å) Hg–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Hg and eight Ga atoms to form distorted GaGa8Hg4 cuboctahedra that share corners with twelve equivalent GaGa8Hg4 cuboctahedra, edges with eight equivalent HgGa12 cuboctahedra, edges with eight equivalent GaGa8Hg4 cuboctahedra, faces with four equivalent HgGa12 cuboctahedra, and faces with ten equivalent GaGa8Hg4 cuboctahedra. There are four shorter (3.00 Å) and four longer (3.15 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a square co-planar geometry to four equivalent Hg and eight equivalent Ga atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CsGa5(HgSe3)4 by Materials Project

CsGa5(HgSe3)4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. Cs1+ is bonded to twelve Se2- atoms to form CsSe12 cuboctahedra that share corners with six HgSe4 tetrahedra, corners with six GaSe4 tetrahedra, edges with five HgSe4 tetrahedra, and edges with seven GaSe4 tetrahedra. There are a spread of Cs–Se bond distances ranging from 3.80–4.19 Å. There are four inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to four Se2- atoms to form HgSe4 tetrahedra that share corners with two equivalent CsSe12 cuboctahedra, corners with three HgSe4 tetrahedra, corners with five GaSe4 tetrahedra, and an edgeedge with one CsSe12 cuboctahedra. There are a spread of Hg–Se bond distances ranging from 2.68–2.77 Å. In the second Hg2+ site, Hg2+ is bonded to four Se2- atoms to form HgSe4 tetrahedra that share corners with two equivalent CsSe12 cuboctahedra, corners with three HgSe4 tetrahedra, corners with five GaSe4 tetrahedra, and an edgeedge with one CsSe12 cuboctahedra. There are a spread of Hg–Se bond distances ranging from 2.70–2.72 Å. In the third Hg2+ site, Hg2+ is bonded to four Se2- atoms to form HgSe4 tetrahedra that share corners with two equivalent CsSe12 cuboctahedra, corners with three HgSe4 tetrahedra, corners with five GaSe4 tetrahedra, and an edgeedge with one CsSe12 cuboctahedra. There are a spread of Hg–Se bond distances ranging from 2.68–2.72 Å. In the fourth Hg2+ site, Hg2+ is bonded to four Se2- atoms to form HgSe4 tetrahedra that share corners with three HgSe4 tetrahedra, corners with five GaSe4 tetrahedra, and edges with two equivalent CsSe12 cuboctahedra. There are a spread of Hg–Se bond distances ranging from 2.65–2.80 Å. There are five inequivalent Ga3+ sites. In the first Ga3+ site, Ga3+ is bonded to four Se2- atoms to form GaSe4 tetrahedra that share corners with two equivalent CsSe12 cuboctahedra, corners with four HgSe4 tetrahedra, corners with four GaSe4 tetrahedra, and an edgeedge with one CsSe12 cuboctahedra. There are a spread of Ga–Se bond distances ranging from 2.41–2.55 Å. In the second Ga3+ site, Ga3+ is bonded to four Se2- atoms to form GaSe4 tetrahedra that share corners with two equivalent CsSe12 cuboctahedra, corners with four HgSe4 tetrahedra, corners with four GaSe4 tetrahedra, and an edgeedge with one CsSe12 cuboctahedra. There are a spread of Ga–Se bond distances ranging from 2.40–2.51 Å. In the third Ga3+ site, Ga3+ is bonded to four Se2- atoms to form GaSe4 tetrahedra that share corners with two equivalent CsSe12 cuboctahedra, corners with four HgSe4 tetrahedra, corners with four GaSe4 tetrahedra, and an edgeedge with one CsSe12 cuboctahedra. There are a spread of Ga–Se bond distances ranging from 2.41–2.54 Å. In the fourth Ga3+ site, Ga3+ is bonded to four Se2- atoms to form GaSe4 tetrahedra that share corners with four HgSe4 tetrahedra, corners with four GaSe4 tetrahedra, and edges with two equivalent CsSe12 cuboctahedra. There are a spread of Ga–Se bond distances ranging from 2.39–2.56 Å. In the fifth Ga3+ site, Ga3+ is bonded to four Se2- atoms to form GaSe4 tetrahedra that share corners with four HgSe4 tetrahedra, corners with four GaSe4 tetrahedra, and edges with two equivalent CsSe12 cuboctahedra. There are a spread of Ga–Se bond distances ranging from 2.43–2.55 Å. There are twelve inequivalent Se2- sites. In the first Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, one Hg2+, and two Ga3+ atoms. In the second Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, two Hg2+, and one Ga3+ atom. In the third Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, two Hg2+, and one Ga3+ atom. In the fourth Se2- site, Se2- is bonded in a distorted trigonal non-coplanar geometry to one Cs1+, one Hg2+, and two Ga3+ atoms. In the fifth Se2- site, Se2- is bonded in a trigonal non-coplanar geometry to one Cs1+ and three Ga3+ atoms. In the sixth Se2- site, Se2- is bonded in a trigonal non-coplanar geometry to one Cs1+ and three Ga3+ atoms. In the seventh Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, two Hg2+, and one Ga3+ atom. In the eighth Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, one Hg2+, and two Ga3+ atoms. In the ninth Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, one Hg2+, and two Ga3+ atoms. In the tenth Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, two Hg2+, and one Ga3+ atom. In the eleventh Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, two Hg2+, and one Ga3+ atom. In the twelfth Se2- site, Se2- is bonded in a 3-coordinate geometry to one Cs1+, two Hg2+, and one Ga3+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Hg2TeSe by Materials Project

Hg2TeSe is Lavarevi\'{c}ite-like structured and crystallizes in the trigonal R3m space group. The structure is three-dimensional. there are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to three equivalent Te2- and one Se2- atom to form corner-sharing HgTe3Se tetrahedra. All Hg–Te bond lengths are 2.84 Å. The Hg–Se bond length is 2.70 Å. In the second Hg2+ site, Hg2+ is bonded to one Te2- and three equivalent Se2- atoms to form corner-sharing HgTeSe3 tetrahedra. The Hg–Te bond length is 2.88 Å. All Hg–Se bond lengths are 2.77 Å. Te2- is bonded to four Hg2+ atoms to form TeHg4 tetrahedra that share corners with six equivalent TeHg4 tetrahedra and corners with six equivalent SeHg4 tetrahedra. Se2- is bonded to four Hg2+ atoms to form SeHg4 tetrahedra that share corners with six equivalent TeHg4 tetrahedra and corners with six equivalent SeHg4 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TlHg6S4Br5 by Materials Project

Hg6TlS4Br5 crystallizes in the tetragonal I4/m space group. The structure is three-dimensional. there are two inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to two equivalent S2- and four Br1- atoms to form a mixture of distorted corner, edge, and face-sharing HgS2Br4 octahedra. The corner-sharing octahedra tilt angles range from 0–66°. Both Hg–S bond lengths are 2.45 Å. There are a spread of Hg–Br bond distances ranging from 3.12–3.55 Å. In the second Hg2+ site, Hg2+ is bonded in a 5-coordinate geometry to two equivalent S2- and three Br1- atoms. Both Hg–S bond lengths are 2.46 Å. There are a spread of Hg–Br bond distances ranging from 2.91–3.43 Å. Tl1+ is bonded in a body-centered cubic geometry to eight Br1- atoms. There are four shorter (3.54 Å) and four longer (3.68 Å) Tl–Br bond lengths. S2- is bonded in a 3-coordinate geometry to three Hg2+ atoms. There are four inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a body-centered cubic geometry to eight equivalent Hg2+ atoms. In the second Br1- site, Br1- is bonded in a body-centered cubic geometry to eight equivalent Hg2+ atoms. In the third Br1- site, Br1- is bonded in a 5-coordinate geometry to three Hg2+ and two equivalent Tl1+ atoms. In the fourth Br1- site, Br1- is bonded in a 6-coordinate geometry to four Hg2+ and two equivalent Tl1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MgHg3(Cl4O3)2 by Materials Project

MgHg2(OCl)6HgCl2 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of one mercuric chloride molecule and one MgHg2(OCl)6 cluster. In the MgHg2(OCl)6 cluster, Mg is bonded in a distorted octahedral geometry to four O and two equivalent Cl atoms. There are two shorter (1.94 Å) and two longer (2.28 Å) Mg–O bond lengths. Both Mg–Cl bond lengths are 2.73 Å. Hg is bonded in a linear geometry to two Cl atoms. There are one shorter (2.30 Å) and one longer (2.35 Å) Hg–Cl bond lengths. There are three inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one O atom. The O–O bond length is 1.24 Å. In the second O site, O is bonded in a distorted bent 120 degrees geometry to one Mg and one O atom. In the third O site, O is bonded in a bent 120 degrees geometry to one Mg and one Cl atom. The O–Cl bond length is 1.65 Å. There are three inequivalent Cl sites. In the first Cl site, Cl is bonded in a single-bond geometry to one O atom. In the second Cl site, Cl is bonded in a bent 120 degrees geometry to one Mg and one Hg atom. In the third Cl site, Cl is bonded in a single-bond geometry to one Hg atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HgNO5 by Materials Project

HgO2NO3 crystallizes in the orthorhombic Pbca space group. The structure is one-dimensional and consists of eight nitric acid molecules and four HgO2 ribbons oriented in the (1, 0, 0) direction. In each HgO2 ribbon, Hg is bonded in a square co-planar geometry to four O atoms. All Hg–O bond lengths are 2.05 Å. There are two inequivalent O sites. In the first O site, O is bonded in a water-like geometry to two equivalent Hg atoms. In the second O site, O is bonded in a water-like geometry to two equivalent Hg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ga3Hg by Materials Project

HgGa3 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Hg is bonded to twelve Ga atoms to form a mixture of face and corner-sharing HgGa12 cuboctahedra. There are six shorter (3.07 Å) and six longer (3.16 Å) Hg–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 12-coordinate geometry to four equivalent Hg and eight equivalent Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.96–3.18 Å. In the second Ga site, Ga is bonded in a 12-coordinate geometry to four equivalent Hg and eight Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.96–3.18 Å.

36 MATERIALS SCIENCE↗