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DOE OSTI2020

Materials Data on HoCoGe2 by Materials Project

HoCoGe2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ho is bonded in a 10-coordinate geometry to four equivalent Co and ten Ge atoms. All Ho–Co bond lengths are 3.18 Å. There are a spread of Ho–Ge bond distances ranging from 3.10–3.26 Å. Co is bonded in a 5-coordinate geometry to four equivalent Ho and five Ge atoms. There are one shorter (2.26 Å) and four longer (2.37 Å) Co–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to six equivalent Ho, one Co, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.56 Å. In the second Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Ho and four equivalent Co atoms.

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Materials Data on TbHo by Materials Project

HoTb crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ho is bonded to six equivalent Ho and six equivalent Tb atoms to form HoTb6Ho6 cuboctahedra that share corners with eighteen equivalent HoTb6Ho6 cuboctahedra, edges with six equivalent HoTb6Ho6 cuboctahedra, edges with twelve equivalent TbTb6Ho6 cuboctahedra, faces with eight equivalent HoTb6Ho6 cuboctahedra, and faces with twelve equivalent TbTb6Ho6 cuboctahedra. All Ho–Ho bond lengths are 3.60 Å. All Ho–Tb bond lengths are 3.54 Å. Tb is bonded to six equivalent Ho and six equivalent Tb atoms to form TbTb6Ho6 cuboctahedra that share corners with eighteen equivalent TbTb6Ho6 cuboctahedra, edges with six equivalent TbTb6Ho6 cuboctahedra, edges with twelve equivalent HoTb6Ho6 cuboctahedra, faces with eight equivalent TbTb6Ho6 cuboctahedra, and faces with twelve equivalent HoTb6Ho6 cuboctahedra. All Tb–Tb bond lengths are 3.60 Å.

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Materials Data on YHo3 by Materials Project

Ho3Y is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ho is bonded to eight equivalent Ho and four equivalent Y atoms to form HoY4Ho8 cuboctahedra that share corners with four equivalent YHo12 cuboctahedra, corners with fourteen equivalent HoY4Ho8 cuboctahedra, edges with six equivalent YHo12 cuboctahedra, edges with twelve equivalent HoY4Ho8 cuboctahedra, faces with four equivalent YHo12 cuboctahedra, and faces with sixteen equivalent HoY4Ho8 cuboctahedra. There are a spread of Ho–Ho bond distances ranging from 3.50–3.63 Å. There are two shorter (3.51 Å) and two longer (3.61 Å) Ho–Y bond lengths. Y is bonded to twelve equivalent Ho atoms to form YHo12 cuboctahedra that share corners with six equivalent YHo12 cuboctahedra, corners with twelve equivalent HoY4Ho8 cuboctahedra, edges with eighteen equivalent HoY4Ho8 cuboctahedra, faces with eight equivalent YHo12 cuboctahedra, and faces with twelve equivalent HoY4Ho8 cuboctahedra.

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Materials Data on Ho4BClO7 by Materials Project

Ho4BO7Cl crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are four inequivalent Ho3+ sites. In the first Ho3+ site, Ho3+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ho–O bond distances ranging from 2.22–2.35 Å. In the second Ho3+ site, Ho3+ is bonded in a 7-coordinate geometry to six O2- and one Cl1- atom. There are a spread of Ho–O bond distances ranging from 2.26–2.38 Å. The Ho–Cl bond length is 2.96 Å. In the third Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to seven O2- atoms. There are a spread of Ho–O bond distances ranging from 2.25–2.76 Å. In the fourth Ho3+ site, Ho3+ is bonded in a 5-coordinate geometry to five O2- and one Cl1- atom. There are a spread of Ho–O bond distances ranging from 2.20–2.34 Å. The Ho–Cl bond length is 2.88 Å. B3+ is bonded in a trigonal planar geometry to three O2- atoms. All B–O bond lengths are 1.38 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded to four Ho3+ atoms to form a mixture of distorted corner and edge-sharing OHo4 tetrahedra. In the second O2- site, O2- is bonded to four Ho3+ atoms to form a mixture of corner and edge-sharing OHo4 tetrahedra. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Ho3+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Ho3+ and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Ho3+ and one B3+ atom. In the sixth O2- site, O2- is bonded to four Ho3+ atoms to form a mixture of corner and edge-sharing OHo4 tetrahedra. In the seventh O2- site, O2- is bonded to four Ho3+ atoms to form a mixture of corner and edge-sharing OHo4 tetrahedra. Cl1- is bonded in a 2-coordinate geometry to two Ho3+ atoms.

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Materials Data on DyHo by Materials Project

HoDy is Magnesium-derived structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ho is bonded to six equivalent Ho and six equivalent Dy atoms to form HoDy6Ho6 cuboctahedra that share corners with eighteen equivalent HoDy6Ho6 cuboctahedra, edges with six equivalent HoDy6Ho6 cuboctahedra, edges with twelve equivalent DyDy6Ho6 cuboctahedra, faces with eight equivalent HoDy6Ho6 cuboctahedra, and faces with twelve equivalent DyDy6Ho6 cuboctahedra. All Ho–Ho bond lengths are 3.60 Å. All Ho–Dy bond lengths are 3.53 Å. Dy is bonded to six equivalent Ho and six equivalent Dy atoms to form DyDy6Ho6 cuboctahedra that share corners with eighteen equivalent DyDy6Ho6 cuboctahedra, edges with six equivalent DyDy6Ho6 cuboctahedra, edges with twelve equivalent HoDy6Ho6 cuboctahedra, faces with eight equivalent DyDy6Ho6 cuboctahedra, and faces with twelve equivalent HoDy6Ho6 cuboctahedra. All Dy–Dy bond lengths are 3.60 Å.

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Materials Data on Ho3Np by Materials Project

NpHo3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Np is bonded to twelve equivalent Ho atoms to form NpHo12 cuboctahedra that share corners with six equivalent NpHo12 cuboctahedra, corners with twelve equivalent HoHo8Np4 cuboctahedra, edges with eighteen equivalent HoHo8Np4 cuboctahedra, faces with eight equivalent NpHo12 cuboctahedra, and faces with twelve equivalent HoHo8Np4 cuboctahedra. There are six shorter (3.45 Å) and six longer (3.51 Å) Np–Ho bond lengths. Ho is bonded to four equivalent Np and eight equivalent Ho atoms to form HoHo8Np4 cuboctahedra that share corners with four equivalent NpHo12 cuboctahedra, corners with fourteen equivalent HoHo8Np4 cuboctahedra, edges with six equivalent NpHo12 cuboctahedra, edges with twelve equivalent HoHo8Np4 cuboctahedra, faces with four equivalent NpHo12 cuboctahedra, and faces with sixteen equivalent HoHo8Np4 cuboctahedra. There are a spread of Ho–Ho bond distances ranging from 3.46–3.55 Å.

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Materials Data on Ho6Ag(GeS7)2 by Materials Project

Ho6Ag(GeS7)2 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are six inequivalent Ho3+ sites. In the first Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Ho–S bond distances ranging from 2.72–3.28 Å. In the second Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Ho–S bond distances ranging from 2.72–3.29 Å. In the third Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Ho–S bond distances ranging from 2.72–3.28 Å. In the fourth Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Ho–S bond distances ranging from 2.73–3.30 Å. In the fifth Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Ho–S bond distances ranging from 2.73–3.30 Å. In the sixth Ho3+ site, Ho3+ is bonded in a 8-coordinate geometry to eight S2- atoms. There are a spread of Ho–S bond distances ranging from 2.74–3.30 Å. Ag2+ is bonded in an octahedral geometry to six S2- atoms. There are a spread of Ag–S bond distances ranging from 2.61–2.72 Å. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are a spread of Ge–S bond distances ranging from 2.22–2.25 Å. In the second Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four S2- atoms. There are one shorter (2.22 Å) and three longer (2.24 Å) Ge–S bond lengths. There are fourteen inequivalent S2- sites. In the first S2- site, S2- is bonded in a 5-coordinate geometry to four Ho3+ and one Ag2+ atom. In the second S2- site, S2- is bonded in a 5-coordinate geometry to four Ho3+ and one Ag2+ atom. In the third S2- site, S2- is bonded in a 5-coordinate geometry to four Ho3+ and one Ag2+ atom. In the fourth S2- site, S2- is bonded in a 4-coordinate geometry to four Ho3+ and one Ag2+ atom. In the fifth S2- site, S2- is bonded in a 4-coordinate geometry to four Ho3+ and one Ag2+ atom. In the sixth S2- site, S2- is bonded in a 4-coordinate geometry to four Ho3+ and one Ag2+ atom. In the seventh S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one Ge4+ atom. In the eighth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one Ge4+ atom. In the ninth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one Ge4+ atom. In the tenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one Ge4+ atom. In the eleventh S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one Ge4+ atom. In the twelfth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one Ge4+ atom. In the thirteenth S2- site, S2- is bonded in a tetrahedral geometry to three Ho3+ and one Ge4+ atom. In the fourteenth S2- site, S2- is bonded in a tetrahedral geometry to three Ho3+ and one Ge4+ atom.

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Materials Data on PmHo3 by Materials Project

Ho3Pm is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ho is bonded to eight equivalent Ho and four equivalent Pm atoms to form HoPm4Ho8 cuboctahedra that share corners with twelve equivalent HoPm4Ho8 cuboctahedra, edges with eight equivalent PmHo12 cuboctahedra, edges with sixteen equivalent HoPm4Ho8 cuboctahedra, faces with four equivalent PmHo12 cuboctahedra, and faces with fourteen equivalent HoPm4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.55 Å. All Ho–Pm bond lengths are 3.55 Å. Pm is bonded to twelve equivalent Ho atoms to form PmHo12 cuboctahedra that share corners with twelve equivalent PmHo12 cuboctahedra, edges with twenty-four equivalent HoPm4Ho8 cuboctahedra, faces with six equivalent PmHo12 cuboctahedra, and faces with twelve equivalent HoPm4Ho8 cuboctahedra.

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Materials Data on HoAlCu4 by Materials Project

HoCu4Al crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ho is bonded in a 6-coordinate geometry to fifteen Cu and three equivalent Al atoms. There are three shorter (2.98 Å) and twelve longer (3.27 Å) Ho–Cu bond lengths. All Ho–Al bond lengths are 2.98 Å. There are two inequivalent Cu sites. In the first Cu site, Cu is bonded to three equivalent Ho, six equivalent Cu, and three equivalent Al atoms to form CuHo3Al3Cu6 cuboctahedra that share corners with nine equivalent AlHo3Cu9 cuboctahedra, corners with twelve equivalent CuHo4Al2Cu6 cuboctahedra, edges with six equivalent CuHo3Al3Cu6 cuboctahedra, faces with three equivalent AlHo3Cu9 cuboctahedra, and faces with twenty CuHo3Al3Cu6 cuboctahedra. All Cu–Cu bond lengths are 2.49 Å. All Cu–Al bond lengths are 2.98 Å. In the second Cu site, Cu is bonded to four equivalent Ho, six Cu, and two equivalent Al atoms to form distorted CuHo4Al2Cu6 cuboctahedra that share corners with four equivalent AlHo3Cu9 cuboctahedra, corners with twenty CuHo3Al3Cu6 cuboctahedra, edges with ten equivalent CuHo4Al2Cu6 cuboctahedra, faces with six equivalent AlHo3Cu9 cuboctahedra, and faces with sixteen CuHo3Al3Cu6 cuboctahedra. There are two shorter (2.56 Å) and two longer (2.60 Å) Cu–Cu bond lengths. Both Cu–Al bond lengths are 2.50 Å. Al is bonded to three equivalent Ho and nine Cu atoms to form distorted AlHo3Cu9 cuboctahedra that share corners with twenty-one CuHo3Al3Cu6 cuboctahedra, edges with six equivalent AlHo3Cu9 cuboctahedra, faces with two equivalent AlHo3Cu9 cuboctahedra, and faces with twenty-one CuHo3Al3Cu6 cuboctahedra.

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Materials Data on HoAlNi4 by Materials Project

HoNi4Al crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ho is bonded in a 6-coordinate geometry to fifteen Ni and three equivalent Al atoms. There are three shorter (2.90 Å) and twelve longer (3.16 Å) Ho–Ni bond lengths. All Ho–Al bond lengths are 2.90 Å. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded to three equivalent Ho, six equivalent Ni, and three equivalent Al atoms to form NiHo3Al3Ni6 cuboctahedra that share corners with nine equivalent AlHo3Ni9 cuboctahedra, corners with twelve equivalent NiHo4Al2Ni6 cuboctahedra, edges with six equivalent NiHo3Al3Ni6 cuboctahedra, faces with three equivalent AlHo3Ni9 cuboctahedra, and faces with twenty NiHo3Al3Ni6 cuboctahedra. All Ni–Ni bond lengths are 2.40 Å. All Ni–Al bond lengths are 2.90 Å. In the second Ni site, Ni is bonded to four equivalent Ho, six Ni, and two equivalent Al atoms to form distorted NiHo4Al2Ni6 cuboctahedra that share corners with four equivalent AlHo3Ni9 cuboctahedra, corners with twenty NiHo3Al3Ni6 cuboctahedra, edges with ten equivalent NiHo4Al2Ni6 cuboctahedra, faces with six equivalent AlHo3Ni9 cuboctahedra, and faces with sixteen NiHo3Al3Ni6 cuboctahedra. There are two shorter (2.48 Å) and two longer (2.54 Å) Ni–Ni bond lengths. Both Ni–Al bond lengths are 2.42 Å. Al is bonded to three equivalent Ho and nine Ni atoms to form distorted AlHo3Ni9 cuboctahedra that share corners with twenty-one NiHo3Al3Ni6 cuboctahedra, edges with six equivalent AlHo3Ni9 cuboctahedra, faces with two equivalent AlHo3Ni9 cuboctahedra, and faces with twenty-one NiHo3Al3Ni6 cuboctahedra.

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Materials Data on HoSi3Ir by Materials Project

HoIrSi3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to four equivalent Ir and twelve Si atoms. All Ho–Ir bond lengths are 3.32 Å. There are a spread of Ho–Si bond distances ranging from 3.07–3.36 Å. Ir is bonded in a 5-coordinate geometry to four equivalent Ho and five Si atoms. There are one shorter (2.33 Å) and four longer (2.37 Å) Ir–Si bond lengths. There are two inequivalent Si sites. In the first Si site, Si is bonded in a distorted single-bond geometry to four equivalent Ho, one Ir, and four equivalent Si atoms. All Si–Si bond lengths are 2.56 Å. In the second Si site, Si is bonded in a distorted bent 120 degrees geometry to four equivalent Ho, two equivalent Ir, and two equivalent Si atoms.

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Materials Data on CsHo3 by Materials Project

CsHo3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Cs is bonded to twelve equivalent Ho atoms to form CsHo12 cuboctahedra that share corners with twelve equivalent CsHo12 cuboctahedra, edges with twenty-four equivalent HoCs4Ho8 cuboctahedra, faces with six equivalent CsHo12 cuboctahedra, and faces with twelve equivalent HoCs4Ho8 cuboctahedra. All Cs–Ho bond lengths are 3.75 Å. Ho is bonded to four equivalent Cs and eight equivalent Ho atoms to form distorted HoCs4Ho8 cuboctahedra that share corners with twelve equivalent HoCs4Ho8 cuboctahedra, edges with eight equivalent CsHo12 cuboctahedra, edges with sixteen equivalent HoCs4Ho8 cuboctahedra, faces with four equivalent CsHo12 cuboctahedra, and faces with fourteen equivalent HoCs4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.75 Å.

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Materials Data on Ho2(Ga3Ir)3 by Materials Project

Ho2(IrGa3)3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ho is bonded in a 11-coordinate geometry to eleven Ga atoms. There are a spread of Ho–Ga bond distances ranging from 3.01–3.16 Å. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Ir–Ga bond distances ranging from 2.58–2.66 Å. In the second Ir site, Ir is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Ir–Ga bond distances ranging from 2.56–2.65 Å. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Ho, two equivalent Ir, and six Ga atoms. There are four shorter (2.75 Å) and two longer (2.76 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 3-coordinate geometry to three equivalent Ho, three Ir, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.78–2.95 Å. In the third Ga site, Ga is bonded in a 3-coordinate geometry to two equivalent Ho, three Ir, and five Ga atoms. There are one shorter (2.81 Å) and two longer (2.82 Å) Ga–Ga bond lengths. In the fourth Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Ho, two equivalent Ir, and six Ga atoms. The Ga–Ga bond length is 2.74 Å.

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Materials Data on Ho9B5S21 by Materials Project

Ho9B5S21 crystallizes in the trigonal R3 space group. The structure is three-dimensional. there are six inequivalent Ho3+ sites. In the first Ho3+ site, Ho3+ is bonded to seven S2- atoms to form distorted HoS7 pentagonal bipyramids that share corners with three HoS7 pentagonal bipyramids, corners with two BS4 tetrahedra, and an edgeedge with one BS4 tetrahedra. There are a spread of Ho–S bond distances ranging from 2.63–2.91 Å. In the second Ho3+ site, Ho3+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of Ho–S bond distances ranging from 2.63–3.08 Å. In the third Ho3+ site, Ho3+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of Ho–S bond distances ranging from 2.68–2.97 Å. In the fourth Ho3+ site, Ho3+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of Ho–S bond distances ranging from 2.63–3.13 Å. In the fifth Ho3+ site, Ho3+ is bonded in a 7-coordinate geometry to seven S2- atoms. There are a spread of Ho–S bond distances ranging from 2.69–2.95 Å. In the sixth Ho3+ site, Ho3+ is bonded to seven S2- atoms to form distorted HoS7 pentagonal bipyramids that share corners with three HoS7 pentagonal bipyramids, corners with two BS4 tetrahedra, and an edgeedge with one BS4 tetrahedra. There are a spread of Ho–S bond distances ranging from 2.63–2.88 Å. There are six inequivalent B3+ sites. In the first B3+ site, B3+ is bonded to four S2- atoms to form BS4 tetrahedra that share corners with two HoS7 pentagonal bipyramids and an edgeedge with one HoS7 pentagonal bipyramid. There are a spread of B–S bond distances ranging from 1.94–1.97 Å. In the second B3+ site, B3+ is bonded to four S2- atoms to form BS4 tetrahedra that share corners with two HoS7 pentagonal bipyramids and an edgeedge with one HoS7 pentagonal bipyramid. There is three shorter (1.95 Å) and one longer (1.97 Å) B–S bond length. In the third B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent S2- atoms. All B–S bond lengths are 1.83 Å. In the fourth B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent S2- atoms. All B–S bond lengths are 1.83 Å. In the fifth B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent S2- atoms. All B–S bond lengths are 1.83 Å. In the sixth B3+ site, B3+ is bonded in a trigonal planar geometry to three equivalent S2- atoms. All B–S bond lengths are 1.83 Å. There are fourteen inequivalent S2- sites. In the first S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one B3+ atom. In the second S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one B3+ atom. In the third S2- site, S2- is bonded in a distorted T-shaped geometry to three Ho3+ atoms. In the fourth S2- site, S2- is bonded in a 1-coordinate geometry to three Ho3+ and one B3+ atom. In the fifth S2- site, S2- is bonded in a 1-coordinate geometry to three Ho3+ and one B3+ atom. In the sixth S2- site, S2- is bonded in a distorted T-shaped geometry to three Ho3+ atoms. In the seventh S2- site, S2- is bonded in a 4-coordinate geometry to three Ho3+ and one B3+ atom. In the eighth S2- site, S2- is bonded in a 1-coordinate geometry to three Ho3+ and one B3+ atom. In the ninth S2- site, S2- is bonded in a 4-coordinate geometry to three Ho3+ and one B3+ atom. In the tenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one B3+ atom. In the eleventh S2- site, S2- is bonded in a distorted trigonal pyramidal geometry to three Ho3+ and one B3+ atom. In the twelfth S2- site, S2- is bonded in a 4-coordinate geometry to three Ho3+ and one B3+ atom. In the thirteenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one B3+ atom. In the fourteenth S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three Ho3+ and one B3+ atom.

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Materials Data on HoEr by Materials Project

ErHo is Magnesium-derived structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Er is bonded to six equivalent Er and six equivalent Ho atoms to form ErHo6Er6 cuboctahedra that share corners with eighteen equivalent ErHo6Er6 cuboctahedra, edges with six equivalent ErHo6Er6 cuboctahedra, edges with twelve equivalent HoHo6Er6 cuboctahedra, faces with eight equivalent ErHo6Er6 cuboctahedra, and faces with twelve equivalent HoHo6Er6 cuboctahedra. All Er–Er bond lengths are 3.57 Å. All Er–Ho bond lengths are 3.51 Å. Ho is bonded to six equivalent Er and six equivalent Ho atoms to form HoHo6Er6 cuboctahedra that share corners with eighteen equivalent HoHo6Er6 cuboctahedra, edges with six equivalent HoHo6Er6 cuboctahedra, edges with twelve equivalent ErHo6Er6 cuboctahedra, faces with eight equivalent HoHo6Er6 cuboctahedra, and faces with twelve equivalent ErHo6Er6 cuboctahedra. All Ho–Ho bond lengths are 3.57 Å.

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Materials Data on HoCo4Ni by Materials Project

HoCo4Ni crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Ho is bonded in a 6-coordinate geometry to fifteen Co and three equivalent Ni atoms. There are three shorter (2.83 Å) and twelve longer (3.15 Å) Ho–Co bond lengths. All Ho–Ni bond lengths are 2.83 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded to three equivalent Ho, six equivalent Co, and three equivalent Ni atoms to form distorted CoHo3Co6Ni3 cuboctahedra that share corners with nine equivalent NiHo3Co9 cuboctahedra, corners with twelve equivalent CoHo4Co6Ni2 cuboctahedra, edges with six equivalent CoHo3Co6Ni3 cuboctahedra, faces with three equivalent NiHo3Co9 cuboctahedra, and faces with twenty CoHo3Co6Ni3 cuboctahedra. All Co–Co bond lengths are 2.43 Å. All Co–Ni bond lengths are 2.83 Å. In the second Co site, Co is bonded to four equivalent Ho, six Co, and two equivalent Ni atoms to form CoHo4Co6Ni2 cuboctahedra that share corners with four equivalent NiHo3Co9 cuboctahedra, corners with twenty CoHo3Co6Ni3 cuboctahedra, edges with ten equivalent CoHo4Co6Ni2 cuboctahedra, faces with six equivalent NiHo3Co9 cuboctahedra, and faces with sixteen CoHo3Co6Ni3 cuboctahedra. There are two shorter (2.43 Å) and two longer (2.47 Å) Co–Co bond lengths. Both Co–Ni bond lengths are 2.42 Å. Ni is bonded to three equivalent Ho and nine Co atoms to form distorted NiHo3Co9 cuboctahedra that share corners with twenty-one CoHo3Co6Ni3 cuboctahedra, edges with six equivalent NiHo3Co9 cuboctahedra, faces with two equivalent NiHo3Co9 cuboctahedra, and faces with twenty-one CoHo3Co6Ni3 cuboctahedra.

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Materials Data on HoMg2 by Materials Project

Mg2Ho crystallizes in the orthorhombic Ibam space group. The structure is three-dimensional. Mg is bonded in a 11-coordinate geometry to five equivalent Mg and six equivalent Ho atoms. There are a spread of Mg–Mg bond distances ranging from 2.99–3.30 Å. There are two shorter (3.42 Å) and four longer (3.43 Å) Mg–Ho bond lengths. Ho is bonded in a 12-coordinate geometry to twelve equivalent Mg and two equivalent Ho atoms. Both Ho–Ho bond lengths are 3.30 Å.

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Materials Data on DyHo3 by Materials Project

Ho3Dy is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ho is bonded to eight equivalent Ho and four equivalent Dy atoms to form HoDy4Ho8 cuboctahedra that share corners with four equivalent DyHo12 cuboctahedra, corners with fourteen equivalent HoDy4Ho8 cuboctahedra, edges with six equivalent DyHo12 cuboctahedra, edges with twelve equivalent HoDy4Ho8 cuboctahedra, faces with four equivalent DyHo12 cuboctahedra, and faces with sixteen equivalent HoDy4Ho8 cuboctahedra. There are a spread of Ho–Ho bond distances ranging from 3.50–3.60 Å. There are two shorter (3.51 Å) and two longer (3.60 Å) Ho–Dy bond lengths. Dy is bonded to twelve equivalent Ho atoms to form DyHo12 cuboctahedra that share corners with six equivalent DyHo12 cuboctahedra, corners with twelve equivalent HoDy4Ho8 cuboctahedra, edges with eighteen equivalent HoDy4Ho8 cuboctahedra, faces with eight equivalent DyHo12 cuboctahedra, and faces with twelve equivalent HoDy4Ho8 cuboctahedra.

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