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HoHg2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Ho is bonded to twelve equivalent Hg atoms to form a mixture of distorted edge and face-sharing HoHg12 cuboctahedra. All Ho–Hg bond lengths are 3.33 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Ho and three equivalent Hg atoms. All Hg–Hg bond lengths are 2.86 Å.
LaHg2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. La is bonded to twelve equivalent Hg atoms to form a mixture of distorted edge and face-sharing LaHg12 cuboctahedra. There are a spread of La–Hg bond distances ranging from 3.43–3.48 Å. Hg is bonded in a 9-coordinate geometry to six equivalent La and three equivalent Hg atoms. There are one shorter (2.94 Å) and two longer (2.96 Å) Hg–Hg bond lengths.
MgHg2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Mg is bonded in a distorted q6 geometry to ten equivalent Hg atoms. There are two shorter (2.99 Å) and eight longer (3.14 Å) Mg–Hg bond lengths. Hg is bonded in a 10-coordinate geometry to five equivalent Mg and five equivalent Hg atoms. There are one shorter (2.99 Å) and four longer (3.15 Å) Hg–Hg bond lengths.
NaHg2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Na is bonded to two equivalent Na and twelve equivalent Hg atoms to form a mixture of distorted corner, edge, and face-sharing NaNa2Hg12 cuboctahedra. Both Na–Na bond lengths are 3.35 Å. All Na–Hg bond lengths are 3.44 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Na and three equivalent Hg atoms. All Hg–Hg bond lengths are 3.00 Å.
NdHg2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Nd is bonded to twelve equivalent Hg atoms to form a mixture of distorted edge and face-sharing NdHg12 cuboctahedra. All Nd–Hg bond lengths are 3.41 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Nd and three equivalent Hg atoms. All Hg–Hg bond lengths are 2.92 Å.
SrHg2 is hexagonal omega structure-like structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Sr is bonded to twelve equivalent Hg atoms to form a mixture of edge and face-sharing SrHg12 cuboctahedra. All Sr–Hg bond lengths are 3.57 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Sr and three equivalent Hg atoms. All Hg–Hg bond lengths are 2.94 Å.
TiHg is Tetraauricupride structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ti is bonded to four equivalent Ti and eight equivalent Hg atoms to form distorted TiTi4Hg8 cuboctahedra that share corners with twelve equivalent TiTi4Hg8 cuboctahedra, edges with eight equivalent TiTi4Hg8 cuboctahedra, edges with sixteen equivalent HgTi8Hg4 cuboctahedra, faces with eight equivalent HgTi8Hg4 cuboctahedra, and faces with ten equivalent TiTi4Hg8 cuboctahedra. All Ti–Ti bond lengths are 3.05 Å. All Ti–Hg bond lengths are 2.97 Å. Hg is bonded to eight equivalent Ti and four equivalent Hg atoms to form distorted HgTi8Hg4 cuboctahedra that share corners with twelve equivalent HgTi8Hg4 cuboctahedra, edges with eight equivalent HgTi8Hg4 cuboctahedra, edges with sixteen equivalent TiTi4Hg8 cuboctahedra, faces with eight equivalent TiTi4Hg8 cuboctahedra, and faces with ten equivalent HgTi8Hg4 cuboctahedra. All Hg–Hg bond lengths are 3.05 Å.
ZrHg3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Zr is bonded to twelve equivalent Hg atoms to form ZrHg12 cuboctahedra that share corners with twelve equivalent ZrHg12 cuboctahedra, edges with twenty-four equivalent HgZr4Hg8 cuboctahedra, faces with six equivalent ZrHg12 cuboctahedra, and faces with twelve equivalent HgZr4Hg8 cuboctahedra. All Zr–Hg bond lengths are 3.15 Å. Hg is bonded to four equivalent Zr and eight equivalent Hg atoms to form distorted HgZr4Hg8 cuboctahedra that share corners with twelve equivalent HgZr4Hg8 cuboctahedra, edges with eight equivalent ZrHg12 cuboctahedra, edges with sixteen equivalent HgZr4Hg8 cuboctahedra, faces with four equivalent ZrHg12 cuboctahedra, and faces with fourteen equivalent HgZr4Hg8 cuboctahedra. All Hg–Hg bond lengths are 3.15 Å.
UHg2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. U is bonded in a 12-coordinate geometry to two equivalent U and twelve equivalent Hg atoms. Both U–U bond lengths are 3.03 Å. All U–Hg bond lengths are 3.36 Å. Hg is bonded in a distorted q6 geometry to six equivalent U and five equivalent Hg atoms. There are three shorter (2.99 Å) and two longer (3.03 Å) Hg–Hg bond lengths.
EuHg2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Eu is bonded to twelve equivalent Hg atoms to form a mixture of edge and face-sharing EuHg12 cuboctahedra. All Eu–Hg bond lengths are 3.49 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Eu and three equivalent Hg atoms. All Hg–Hg bond lengths are 2.95 Å.
ThHg2 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Th is bonded in a 12-coordinate geometry to twelve equivalent Hg atoms. There are six shorter (3.25 Å) and six longer (3.59 Å) Th–Hg bond lengths. Hg is bonded in a 10-coordinate geometry to six equivalent Th and four equivalent Hg atoms. There are three shorter (2.91 Å) and one longer (3.14 Å) Hg–Hg bond lengths.
Hg2AsCl2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded to two As2- and three Cl1- atoms to form distorted HgAs2Cl3 trigonal bipyramids that share corners with two AsHg3As tetrahedra and edges with two equivalent HgAs2Cl3 trigonal bipyramids. Both Hg–As bond lengths are 2.58 Å. There are a spread of Hg–Cl bond distances ranging from 2.99–3.42 Å. In the second Hg2+ site, Hg2+ is bonded in a rectangular see-saw-like geometry to one As2- and three Cl1- atoms. The Hg–As bond length is 2.55 Å. There are one shorter (2.50 Å) and two longer (2.73 Å) Hg–Cl bond lengths. In the third Hg2+ site, Hg2+ is bonded in a 6-coordinate geometry to one As2- and five Cl1- atoms. The Hg–As bond length is 2.55 Å. There are a spread of Hg–Cl bond distances ranging from 2.43–3.36 Å. There are two inequivalent As2- sites. In the first As2- site, As2- is bonded to three Hg2+ and one As2- atom to form AsHg3As tetrahedra that share corners with two equivalent AsHg3As tetrahedra and corners with two equivalent HgAs2Cl3 trigonal bipyramids. The As–As bond length is 2.47 Å. In the second As2- site, As2- is bonded to three Hg2+ and one As2- atom to form AsHg3As tetrahedra that share corners with two equivalent AsHg3As tetrahedra and corners with two equivalent HgAs2Cl3 trigonal bipyramids. The As–As bond length is 2.45 Å. There are three inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Hg2+ atoms. In the second Cl1- site, Cl1- is bonded in a 1-coordinate geometry to three Hg2+ atoms. In the third Cl1- site, Cl1- is bonded in a distorted single-bond geometry to three Hg2+ atoms.
Hg3TeBr4 crystallizes in the orthorhombic Pbca space group. The structure is two-dimensional and consists of two Hg3TeBr4 sheets oriented in the (1, 0, 0) direction. there are three inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 4-coordinate geometry to one Te2- and three Br1- atoms. The Hg–Te bond length is 2.73 Å. There are a spread of Hg–Br bond distances ranging from 2.60–2.98 Å. In the second Hg2+ site, Hg2+ is bonded in a 4-coordinate geometry to one Te2- and three Br1- atoms. The Hg–Te bond length is 2.74 Å. There are a spread of Hg–Br bond distances ranging from 2.59–3.17 Å. In the third Hg2+ site, Hg2+ is bonded in a 6-coordinate geometry to one Te2- and five Br1- atoms. The Hg–Te bond length is 2.72 Å. There are a spread of Hg–Br bond distances ranging from 2.54–3.51 Å. Te2- 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 3-coordinate geometry to three Hg2+ atoms. In the second Br1- site, Br1- is bonded in a water-like geometry to two Hg2+ atoms. In the third Br1- site, Br1- is bonded in a 1-coordinate geometry to three Hg2+ atoms. In the fourth Br1- site, Br1- is bonded in a 1-coordinate geometry to three Hg2+ atoms.
Hg3TeCl4 crystallizes in the orthorhombic Pbca space group. The structure is three-dimensional. there are three inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 5-coordinate geometry to one Te2- and four Cl1- atoms. The Hg–Te bond length is 2.70 Å. There are a spread of Hg–Cl bond distances ranging from 2.44–3.34 Å. In the second Hg2+ site, Hg2+ is bonded in a 5-coordinate geometry to one Te2- and four Cl1- atoms. The Hg–Te bond length is 2.71 Å. There are a spread of Hg–Cl bond distances ranging from 2.45–3.38 Å. In the third Hg2+ site, Hg2+ is bonded in a 6-coordinate geometry to one Te2- and five Cl1- atoms. The Hg–Te bond length is 2.70 Å. There are a spread of Hg–Cl bond distances ranging from 2.41–3.50 Å. Te2- is bonded in a 3-coordinate geometry to three Hg2+ atoms. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Hg2+ atoms. In the second Cl1- site, Cl1- is bonded in a water-like geometry to two Hg2+ atoms. In the third Cl1- site, Cl1- is bonded in a 1-coordinate geometry to four Hg2+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 1-coordinate geometry to three Hg2+ atoms.
Hg3Se2I2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. there are three inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 4-coordinate geometry to two equivalent Se2- and two equivalent I1- atoms. Both Hg–Se bond lengths are 2.60 Å. Both Hg–I bond lengths are 3.19 Å. In the second Hg2+ site, Hg2+ is bonded in a 6-coordinate geometry to two equivalent Se2- and four I1- atoms. Both Hg–Se bond lengths are 2.57 Å. There are a spread of Hg–I bond distances ranging from 3.19–3.83 Å. In the third Hg2+ site, Hg2+ is bonded in a 5-coordinate geometry to two equivalent Se2- and three I1- atoms. Both Hg–Se bond lengths are 2.59 Å. There are a spread of Hg–I bond distances ranging from 3.12–3.82 Å. Se2- is bonded in a 3-coordinate geometry to three Hg2+ atoms. There are three inequivalent I1- sites. In the first I1- site, I1- is bonded in a 3-coordinate geometry to four Hg2+ atoms. In the second I1- site, I1- is bonded in a distorted L-shaped geometry to four equivalent Hg2+ atoms. In the third I1- site, I1- is bonded in a 4-coordinate geometry to six Hg2+ atoms.
Hg3S2I2 crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. there are three inequivalent Hg2+ sites. In the first Hg2+ site, Hg2+ is bonded in a 4-coordinate geometry to two equivalent S2- and two equivalent I1- atoms. Both Hg–S bond lengths are 2.48 Å. Both Hg–I bond lengths are 3.18 Å. In the second Hg2+ site, Hg2+ is bonded in a 6-coordinate geometry to two equivalent S2- and four I1- atoms. Both Hg–S bond lengths are 2.45 Å. There are a spread of Hg–I bond distances ranging from 3.19–3.78 Å. In the third Hg2+ site, Hg2+ is bonded in a 5-coordinate geometry to two equivalent S2- and three I1- atoms. Both Hg–S bond lengths are 2.47 Å. There are a spread of Hg–I bond distances ranging from 3.08–3.69 Å. S2- is bonded in a distorted trigonal non-coplanar geometry to three Hg2+ atoms. There are three inequivalent I1- sites. In the first I1- site, I1- is bonded in a 3-coordinate geometry to four Hg2+ atoms. In the second I1- site, I1- is bonded in a 2-coordinate geometry to four equivalent Hg2+ atoms. In the third I1- site, I1- is bonded in a 6-coordinate geometry to six Hg2+ atoms.
CdHg2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Hg is bonded in a 10-coordinate geometry to five equivalent Hg and five equivalent Cd atoms. There are one shorter (3.00 Å) and four longer (3.27 Å) Hg–Hg bond lengths. There are one shorter (2.99 Å) and four longer (3.27 Å) Hg–Cd bond lengths. Cd is bonded in a distorted q6 geometry to ten equivalent Hg atoms.
CeHg2 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Ce is bonded to twelve equivalent Hg atoms to form a mixture of distorted edge and face-sharing CeHg12 cuboctahedra. All Ce–Hg bond lengths are 3.40 Å. Hg is bonded in a 9-coordinate geometry to six equivalent Ce and three equivalent Hg atoms. All Hg–Hg bond lengths are 2.94 Å.