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MgZrHg2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two MgZrHg2 ribbons oriented in the (1, 0, 0) direction. Mg is bonded in a linear geometry to two equivalent Hg atoms. Both Mg–Hg bond lengths are 2.91 Å. Zr is bonded in a linear geometry to two equivalent Hg atoms. Both Zr–Hg bond lengths are 2.96 Å. Hg is bonded in a linear geometry to one Mg and one Zr atom.
K4Hg3Ge20 crystallizes in the cubic Pm-3n space group. The structure is three-dimensional. there are two inequivalent K sites. In the first K site, K is bonded in a 12-coordinate geometry to four equivalent Hg and eight equivalent Ge atoms. All K–Hg bond lengths are 3.93 Å. All K–Ge bond lengths are 3.76 Å. In the second K site, K is bonded in a 8-coordinate geometry to twenty Ge atoms. There are eight shorter (3.52 Å) and twelve longer (3.58 Å) K–Ge bond lengths. Hg is bonded to four equivalent K and four equivalent Ge atoms to form a mixture of distorted edge and corner-sharing HgK4Ge4 tetrahedra. All Hg–Ge bond lengths are 2.68 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 5-coordinate geometry to one K and four Ge atoms. There are three shorter (2.54 Å) and one longer (2.58 Å) Ge–Ge bond lengths. In the second Ge site, Ge is bonded in a 7-coordinate geometry to three K, one Hg, and three Ge atoms. The Ge–Ge bond length is 2.52 Å.
Fe(Hg(NCS))2(CO)4 crystallizes in the tetragonal I4_1/a space group. The structure is one-dimensional and consists of eight ferrum molecules; thirty-two formaldehyde molecules; and four Hg(NCS) ribbons oriented in the (0, 0, 1) direction. In each Hg(NCS) ribbon, Hg2+ is bonded in an L-shaped geometry to one N3- and one S2- atom. The Hg–N bond length is 2.90 Å. The Hg–S bond length is 2.61 Å. C+1.83+ 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 1.66 Å. N3- is bonded in a distorted single-bond geometry to one Hg2+ and one C+1.83+ atom. S2- is bonded in a water-like geometry to one Hg2+ and one C+1.83+ atom.
GdNdHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Gd is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Gd–Hg bond lengths are 3.30 Å. Nd is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Nd–Hg bond lengths are 3.30 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Gd and four equivalent Nd atoms.
MgThHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Mg–Hg bond lengths are 3.19 Å. Th is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Th–Hg bond lengths are 3.19 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Th atoms.
YHg2In crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two YHg2In ribbons oriented in the (1, 0, 0) direction. Y is bonded in a linear geometry to two equivalent Hg atoms. Both Y–Hg bond lengths are 3.04 Å. Hg is bonded in a linear geometry to one Y and one In atom. The Hg–In bond length is 2.88 Å. In is bonded in a linear geometry to two equivalent Hg atoms.
LaYHg2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two LaYHg2 ribbons oriented in the (1, 0, 0) direction. La is bonded in a linear geometry to two equivalent Hg atoms. Both La–Hg bond lengths are 3.12 Å. Y is bonded in a linear geometry to two equivalent Hg atoms. Both Y–Hg bond lengths are 3.02 Å. Hg is bonded in a linear geometry to one La and one Y atom.
SrMgHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sr is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Sr–Hg bond lengths are 3.25 Å. Mg is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Mg–Hg bond lengths are 3.25 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Sr and four equivalent Mg atoms.
BaHg2Bi is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ba is bonded in a distorted body-centered cubic geometry to eight equivalent Hg and six equivalent Bi atoms. All Ba–Hg bond lengths are 3.49 Å. All Ba–Bi bond lengths are 4.02 Å. Hg is bonded to four equivalent Ba and four equivalent Bi atoms to form a mixture of edge, face, and corner-sharing HgBa4Bi4 tetrahedra. All Hg–Bi bond lengths are 3.49 Å. Bi is bonded in a 6-coordinate geometry to six equivalent Ba and eight equivalent Hg atoms.
CaHoHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ca is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Ca–Hg bond lengths are 3.24 Å. Ho is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Ho–Hg bond lengths are 3.24 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Ca and four equivalent Ho atoms.
RbKHg2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two RbKHg2 ribbons oriented in the (0, 1, 0) direction. Rb is bonded in a linear geometry to two equivalent Hg atoms. Both Rb–Hg bond lengths are 3.77 Å. K is bonded in a linear geometry to two equivalent Hg atoms. Both K–Hg bond lengths are 3.67 Å. Hg is bonded in a linear geometry to one Rb and one K atom.
BaMgHg2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two BaMgHg2 ribbons oriented in the (1, 0, 0) direction. Ba is bonded in a linear geometry to two equivalent Hg atoms. Both Ba–Hg bond lengths are 3.63 Å. Mg is bonded in a linear geometry to two equivalent Hg atoms. Both Mg–Hg bond lengths are 3.06 Å. Hg is bonded in a linear geometry to one Ba and one Mg atom.
BaSrHg2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two BaSrHg2 ribbons oriented in the (0, 1, 0) direction. Ba is bonded in a linear geometry to two equivalent Hg atoms. Both Ba–Hg bond lengths are 3.71 Å. Sr is bonded in a linear geometry to two equivalent Hg atoms. Both Sr–Hg bond lengths are 3.58 Å. Hg is bonded in a linear geometry to one Ba and one Sr atom.
NdCeHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Nd is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Nd–Hg bond lengths are 3.29 Å. Ce is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Ce–Hg bond lengths are 3.29 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Nd and four equivalent Ce atoms.
SrEuHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Sr is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Sr–Hg bond lengths are 3.45 Å. Eu is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Eu–Hg bond lengths are 3.45 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Sr and four equivalent Eu atoms.
KHg2Tl crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two KHg2Tl ribbons oriented in the (0, 1, 0) direction. K is bonded in a linear geometry to two equivalent Hg atoms. Both K–Hg bond lengths are 3.34 Å. Hg is bonded in a linear geometry to one K and one Tl atom. The Hg–Tl bond length is 3.09 Å. Tl is bonded in a linear geometry to two equivalent Hg atoms.
MgCeHg2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Mg–Hg bond lengths are 3.18 Å. Ce is bonded in a body-centered cubic geometry to eight equivalent Hg atoms. All Ce–Hg bond lengths are 3.18 Å. Hg is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Ce atoms.
FeHgO2F5 crystallizes in the orthorhombic Pbam space group. The structure is two-dimensional and consists of two FeHgO2F5 sheets oriented in the (0, 0, 1) direction. Fe is bonded to six F atoms to form FeF6 octahedra that share corners with two equivalent FeF6 octahedra and corners with four equivalent HgO2F4 octahedra. The corner-sharing octahedra tilt angles range from 0–50°. There is four shorter (1.94 Å) and two longer (1.96 Å) Fe–F bond length. Hg is bonded to two equivalent O and four equivalent F atoms to form distorted HgO2F4 octahedra that share corners with four equivalent FeF6 octahedra and edges with two equivalent HgO2F4 octahedra. The corner-sharing octahedral tilt angles are 50°. Both Hg–O bond lengths are 2.12 Å. All Hg–F bond lengths are 2.57 Å. O is bonded in a single-bond geometry to one Hg atom. There are three inequivalent F sites. In the first F site, F is bonded in a single-bond geometry to one Fe atom. In the second F site, F is bonded in a distorted single-bond geometry to one Fe and two equivalent Hg atoms. In the third F site, F is bonded in a linear geometry to two equivalent Fe atoms.