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HfZrHg2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfZrHg2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Hg atoms. Both Hf–Hg bond lengths are 2.87 Å. Zr is bonded in a linear geometry to two equivalent Hg atoms. Both Zr–Hg bond lengths are 2.88 Å. Hg is bonded in a linear geometry to one Hf and one Zr atom.
YHfPd2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two YHfPd2 ribbons oriented in the (1, 0, 0) direction. Y is bonded in a linear geometry to two equivalent Pd atoms. Both Y–Pd bond lengths are 2.59 Å. Hf is bonded in a linear geometry to two equivalent Pd atoms. Both Hf–Pd bond lengths are 2.48 Å. Pd is bonded in a linear geometry to one Y and one Hf atom.
HfTiRh2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfTiRh2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Rh atoms. Both Hf–Rh bond lengths are 2.31 Å. Ti is bonded in a linear geometry to two equivalent Rh atoms. Both Ti–Rh bond lengths are 2.30 Å. Rh is bonded in a linear geometry to one Hf and one Ti atom.
MgHfZn2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two MgHfZn2 ribbons oriented in the (1, 0, 0) direction. Mg is bonded in a linear geometry to two equivalent Zn atoms. Both Mg–Zn bond lengths are 2.81 Å. Hf is bonded in a linear geometry to two equivalent Zn atoms. Both Hf–Zn bond lengths are 2.77 Å. Zn is bonded in a linear geometry to one Mg and one Hf atom.
HfTiRu2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfTiRu2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Ru atoms. Both Hf–Ru bond lengths are 2.30 Å. Ti is bonded in a linear geometry to two equivalent Ru atoms. Both Ti–Ru bond lengths are 2.12 Å. Ru is bonded in a linear geometry to one Hf and one Ti atom.
HfCo is alpha-derived structured and crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Hf is bonded in a 7-coordinate geometry to seven equivalent Co atoms. There are a spread of Hf–Co bond distances ranging from 2.60–2.68 Å. Co is bonded in a 7-coordinate geometry to seven equivalent Hf atoms.
HfMnIr2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to eight equivalent Ir atoms. All Hf–Ir bond lengths are 2.75 Å. Mn is bonded in a body-centered cubic geometry to eight equivalent Ir atoms. All Mn–Ir bond lengths are 2.75 Å. Ir is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Mn atoms.
HfMnIr2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfMnIr2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Ir atoms. Both Hf–Ir bond lengths are 2.26 Å. Mn is bonded in a linear geometry to two equivalent Ir atoms. Both Mn–Ir bond lengths are 2.48 Å. Ir is bonded in a linear geometry to one Hf and one Mn atom.
Co21Hf2B6 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Hf is bonded in a distorted tetrahedral geometry to four equivalent Co atoms. All Hf–Co bond lengths are 2.48 Å. There are three inequivalent Co sites. In the first Co site, Co is bonded in a cuboctahedral geometry to twelve equivalent Co atoms. All Co–Co bond lengths are 2.52 Å. In the second Co site, Co is bonded to one Hf and three equivalent B atoms to form a mixture of edge and corner-sharing CoHfB3 tetrahedra. All Co–B bond lengths are 2.07 Å. In the third Co site, Co is bonded in a distorted bent 150 degrees geometry to one Co and two equivalent B atoms. Both Co–B bond lengths are 2.10 Å. B is bonded in a 8-coordinate geometry to eight Co atoms.
ErHfRu2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Er is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Er–Ru bond lengths are 2.86 Å. Hf is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Hf–Ru bond lengths are 2.86 Å. Ru is bonded in a body-centered cubic geometry to four equivalent Er and four equivalent Hf atoms.
Mg3HfO4 is Caswellsilverite-like structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mg is bonded to six O atoms to form MgO6 octahedra that share corners with six equivalent MgO6 octahedra, edges with four equivalent HfO6 octahedra, and edges with eight equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Mg–O bond lengths are 2.21 Å. Hf is bonded to six equivalent O atoms to form HfO6 octahedra that share corners with six equivalent HfO6 octahedra and edges with twelve equivalent MgO6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Hf–O bond lengths are 2.21 Å. There are two inequivalent O sites. In the first O site, O is bonded to four equivalent Mg and two equivalent Hf atoms to form a mixture of corner and edge-sharing OHf2Mg4 octahedra. The corner-sharing octahedral tilt angles are 0°. In the second O site, O is bonded to six equivalent Mg atoms to form OMg6 octahedra that share corners with six equivalent OMg6 octahedra and edges with twelve equivalent OHf2Mg4 octahedra. The corner-sharing octahedral tilt angles are 0°.
BeHfIr2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two BeHfIr2 ribbons oriented in the (1, 0, 0) direction. Be is bonded in a linear geometry to two equivalent Ir atoms. Both Be–Ir bond lengths are 2.21 Å. Hf is bonded in a linear geometry to two equivalent Ir atoms. Both Hf–Ir bond lengths are 2.28 Å. Ir is bonded in a linear geometry to one Be and one Hf atom.
MgHfPt2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two MgHfPt2 ribbons oriented in the (1, 0, 0) direction. Mg is bonded in a linear geometry to two equivalent Pt atoms. Both Mg–Pt bond lengths are 2.63 Å. Hf is bonded in a linear geometry to two equivalent Pt atoms. Both Hf–Pt bond lengths are 2.35 Å. Pt is bonded in a linear geometry to one Mg and one Hf atom.
HfPdAu2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfPdAu2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Au atoms. Both Hf–Au bond lengths are 2.52 Å. Pd is bonded in a linear geometry to two equivalent Au atoms. Both Pd–Au bond lengths are 2.57 Å. Au is bonded in a linear geometry to one Hf and one Pd atom.
LiHfAu2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two LiHfAu2 ribbons oriented in the (1, 0, 0) direction. Li is bonded in a linear geometry to two equivalent Au atoms. Both Li–Au bond lengths are 2.67 Å. Hf is bonded in a linear geometry to two equivalent Au atoms. Both Hf–Au bond lengths are 2.64 Å. Au is bonded in a linear geometry to one Li and one Hf atom.
HfTiRu2 is Heusler-like structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Hf is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Hf–Ru bond lengths are 2.78 Å. Ti is bonded in a body-centered cubic geometry to eight equivalent Ru atoms. All Ti–Ru bond lengths are 2.71 Å. Ru is bonded in a body-centered cubic geometry to four equivalent Hf and four equivalent Ti atoms.
HfZr3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Hf is bonded to twelve equivalent Zr atoms to form HfZr12 cuboctahedra that share corners with six equivalent HfZr12 cuboctahedra, corners with twelve equivalent ZrHf4Zr8 cuboctahedra, edges with eighteen equivalent ZrHf4Zr8 cuboctahedra, faces with eight equivalent HfZr12 cuboctahedra, and faces with twelve equivalent ZrHf4Zr8 cuboctahedra. There are six shorter (3.18 Å) and six longer (3.23 Å) Hf–Zr bond lengths. Zr is bonded to four equivalent Hf and eight equivalent Zr atoms to form ZrHf4Zr8 cuboctahedra that share corners with four equivalent HfZr12 cuboctahedra, corners with fourteen equivalent ZrHf4Zr8 cuboctahedra, edges with six equivalent HfZr12 cuboctahedra, edges with twelve equivalent ZrHf4Zr8 cuboctahedra, faces with four equivalent HfZr12 cuboctahedra, and faces with sixteen equivalent ZrHf4Zr8 cuboctahedra. There are a spread of Zr–Zr bond distances ranging from 3.19–3.23 Å.
HfZrRh2 crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two HfZrRh2 ribbons oriented in the (1, 0, 0) direction. Hf is bonded in a linear geometry to two equivalent Rh atoms. Both Hf–Rh bond lengths are 2.34 Å. Zr is bonded in a linear geometry to two equivalent Rh atoms. Both Zr–Rh bond lengths are 2.34 Å. Rh is bonded in a linear geometry to one Hf and one Zr atom.