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DOE OSTI2020

Materials Data on CeGa3Cu by Materials Project

CeCuGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to four equivalent Cu and twelve Ga atoms. All Ce–Cu bond lengths are 3.34 Å. There are eight shorter (3.24 Å) and four longer (3.34 Å) Ce–Ga bond lengths. Cu is bonded to four equivalent Ce and eight Ga atoms to form distorted CuCe4Ga8 cuboctahedra that share corners with four equivalent GaCe4Ga4Cu4 cuboctahedra, corners with twelve equivalent CuCe4Ga8 cuboctahedra, edges with two equivalent GaCe4Ga4Cu4 cuboctahedra, faces with four equivalent CuCe4Ga8 cuboctahedra, and faces with four equivalent GaCe4Ga4Cu4 cuboctahedra. There are four shorter (2.51 Å) and four longer (3.00 Å) Cu–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to four equivalent Ce, two equivalent Cu, and three Ga atoms. There are one shorter (2.45 Å) and two longer (2.51 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Ce, four equivalent Cu, and four equivalent Ga atoms to form GaCe4Ga4Cu4 cuboctahedra that share corners with four equivalent CuCe4Ga8 cuboctahedra, corners with twelve equivalent GaCe4Ga4Cu4 cuboctahedra, edges with two equivalent CuCe4Ga8 cuboctahedra, faces with four equivalent CuCe4Ga8 cuboctahedra, and faces with four equivalent GaCe4Ga4Cu4 cuboctahedra.

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Materials Data on Dy4Ga12Fe by Materials Project

Dy4FeGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Dy is bonded to twelve Ga atoms to form DyGa12 cuboctahedra that share corners with twelve equivalent DyGa12 cuboctahedra, edges with twelve equivalent GaDy4Ga8 cuboctahedra, faces with six equivalent DyGa12 cuboctahedra, faces with six equivalent GaDy4Ga8 cuboctahedra, and faces with two equivalent FeGa6 octahedra. There are six shorter (3.04 Å) and six longer (3.05 Å) Dy–Ga bond lengths. Fe is bonded to six equivalent Ga atoms to form FeGa6 octahedra that share corners with twenty-four equivalent GaDy4Ga8 cuboctahedra and faces with eight equivalent DyGa12 cuboctahedra. All Fe–Ga bond lengths are 2.42 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Dy and eight Ga atoms to form distorted GaDy4Ga8 cuboctahedra that share corners with four equivalent GaDy4Ga8 cuboctahedra, corners with four equivalent FeGa6 octahedra, edges with eight equivalent DyGa12 cuboctahedra, edges with eight equivalent GaDy4Ga8 cuboctahedra, faces with four equivalent DyGa12 cuboctahedra, and faces with six equivalent GaDy4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 49°. There are four shorter (2.85 Å) and four longer (3.04 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 5-coordinate geometry to four equivalent Dy, one Fe, and four equivalent Ga atoms.

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Materials Data on EuGa3Cu by Materials Project

EuCuGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to four equivalent Cu and twelve Ga atoms. All Eu–Cu bond lengths are 3.41 Å. There are eight shorter (3.28 Å) and four longer (3.41 Å) Eu–Ga bond lengths. Cu is bonded to four equivalent Eu and eight Ga atoms to form distorted CuEu4Ga8 cuboctahedra that share corners with four equivalent GaEu4Ga4Cu4 cuboctahedra, corners with twelve equivalent CuEu4Ga8 cuboctahedra, edges with two equivalent GaEu4Ga4Cu4 cuboctahedra, faces with four equivalent CuEu4Ga8 cuboctahedra, and faces with four equivalent GaEu4Ga4Cu4 cuboctahedra. There are four shorter (2.55 Å) and four longer (3.02 Å) Cu–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to four equivalent Eu, two equivalent Cu, and three Ga atoms. There are one shorter (2.52 Å) and two longer (2.55 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Eu, four equivalent Cu, and four equivalent Ga atoms to form GaEu4Ga4Cu4 cuboctahedra that share corners with four equivalent CuEu4Ga8 cuboctahedra, corners with twelve equivalent GaEu4Ga4Cu4 cuboctahedra, edges with two equivalent CuEu4Ga8 cuboctahedra, faces with four equivalent CuEu4Ga8 cuboctahedra, and faces with four equivalent GaEu4Ga4Cu4 cuboctahedra.

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Materials Data on UGaPt by Materials Project

UPtGa crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are two inequivalent U sites. In the first U site, U is bonded in a 5-coordinate geometry to five Pt and six Ga atoms. There are four shorter (2.94 Å) and one longer (2.98 Å) U–Pt bond lengths. There are two shorter (3.13 Å) and four longer (3.30 Å) U–Ga bond lengths. In the second U site, U is bonded in a 5-coordinate geometry to five Pt and six Ga atoms. There are four shorter (2.94 Å) and one longer (2.97 Å) U–Pt bond lengths. There are two shorter (3.13 Å) and four longer (3.31 Å) U–Ga bond lengths. There are two inequivalent Pt sites. In the first Pt site, Pt is bonded in a 9-coordinate geometry to six U and three Ga atoms. There are a spread of Pt–Ga bond distances ranging from 2.71–2.73 Å. In the second Pt site, Pt is bonded in a 9-coordinate geometry to three U and six Ga atoms. All Pt–Ga bond lengths are 2.67 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 12-coordinate geometry to six U and four Pt atoms. In the second Ga site, Ga is bonded in a 12-coordinate geometry to six U and four Pt atoms.

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Materials Data on Ga2Ni7Ge2 by Materials Project

Ni7Ga2Ge2 crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. there are four inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to eight Ni, three equivalent Ga, and three equivalent Ge atoms. There are a spread of Ni–Ni bond distances ranging from 2.50–2.64 Å. All Ni–Ga bond lengths are 2.62 Å. All Ni–Ge bond lengths are 2.66 Å. In the second Ni site, Ni is bonded in a 11-coordinate geometry to five Ni, three equivalent Ga, and three equivalent Ge atoms. There are one shorter (2.48 Å) and three longer (2.60 Å) Ni–Ni bond lengths. All Ni–Ga bond lengths are 2.61 Å. All Ni–Ge bond lengths are 2.58 Å. In the third Ni site, Ni is bonded in a 5-coordinate geometry to six Ni, two Ga, and three equivalent Ge atoms. There are one shorter (2.45 Å) and one longer (2.55 Å) Ni–Ga bond lengths. All Ni–Ge bond lengths are 2.30 Å. In the fourth Ni site, Ni is bonded in a 5-coordinate geometry to six equivalent Ni, three equivalent Ga, and two equivalent Ge atoms. All Ni–Ga bond lengths are 2.30 Å. Both Ni–Ge bond lengths are 2.59 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 11-coordinate geometry to eleven Ni atoms. In the second Ga site, Ga is bonded in a 8-coordinate geometry to eight Ni atoms. Ge is bonded in a 10-coordinate geometry to ten Ni atoms.

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Materials Data on PrGa3Pt by Materials Project

PrPtGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Pr is bonded in a 12-coordinate geometry to four equivalent Pt and twelve Ga atoms. All Pr–Pt bond lengths are 3.44 Å. There are eight shorter (3.25 Å) and four longer (3.44 Å) Pr–Ga bond lengths. Pt is bonded to four equivalent Pr and eight Ga atoms to form distorted PtPr4Ga8 cuboctahedra that share corners with four equivalent GaPr4Ga4Pt4 cuboctahedra, corners with twelve equivalent PtPr4Ga8 cuboctahedra, edges with two equivalent GaPr4Ga4Pt4 cuboctahedra, faces with four equivalent PtPr4Ga8 cuboctahedra, and faces with four equivalent GaPr4Ga4Pt4 cuboctahedra. There are four shorter (2.58 Å) and four longer (3.00 Å) Pt–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to four equivalent Pr, two equivalent Pt, and three Ga atoms. There are one shorter (2.50 Å) and two longer (2.58 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Pr, four equivalent Pt, and four equivalent Ga atoms to form GaPr4Ga4Pt4 cuboctahedra that share corners with four equivalent PtPr4Ga8 cuboctahedra, corners with twelve equivalent GaPr4Ga4Pt4 cuboctahedra, edges with two equivalent PtPr4Ga8 cuboctahedra, faces with four equivalent PtPr4Ga8 cuboctahedra, and faces with four equivalent GaPr4Ga4Pt4 cuboctahedra.

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Materials Data on EuGa3Pd by Materials Project

EuPdGa3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Eu is bonded in a 6-coordinate geometry to five equivalent Pd and twelve Ga atoms. There are a spread of Eu–Pd bond distances ranging from 3.29–3.67 Å. There are a spread of Eu–Ga bond distances ranging from 3.15–3.45 Å. Pd is bonded in a 5-coordinate geometry to five equivalent Eu and five Ga atoms. There are one shorter (2.50 Å) and four longer (2.57 Å) Pd–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 1-coordinate geometry to four equivalent Eu, one Pd, and four equivalent Ga atoms. All Ga–Ga bond lengths are 2.66 Å. In the second Ga site, Ga is bonded in a distorted L-shaped geometry to four equivalent Eu, two equivalent Pd, and two equivalent Ga atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Gd4Ga12Pd by Materials Project

Gd4PdGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Gd is bonded to twelve Ga atoms to form GdGa12 cuboctahedra that share corners with twelve equivalent GdGa12 cuboctahedra, faces with six equivalent GdGa12 cuboctahedra, and faces with two equivalent PdGa6 octahedra. There are six shorter (3.32 Å) and six longer (3.35 Å) Gd–Ga bond lengths. Pd is bonded to six equivalent Ga atoms to form PdGa6 octahedra that share faces with eight equivalent GdGa12 cuboctahedra. All Pd–Ga bond lengths are 2.77 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 8-coordinate geometry to four equivalent Gd and four equivalent Ga atoms. All Ga–Ga bond lengths are 3.03 Å. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four equivalent Gd, one Pd, and four equivalent Ga atoms.

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Materials Data on Tm4Ga12Pd by Materials Project

Tm4PdGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Tm is bonded to twelve Ga atoms to form TmGa12 cuboctahedra that share corners with twelve equivalent TmGa12 cuboctahedra, edges with twelve equivalent GaTm4Ga8 cuboctahedra, faces with six equivalent TmGa12 cuboctahedra, faces with six equivalent GaTm4Ga8 cuboctahedra, and faces with two equivalent PdGa6 octahedra. There are six shorter (3.04 Å) and six longer (3.07 Å) Tm–Ga bond lengths. Pd is bonded to six equivalent Ga atoms to form PdGa6 octahedra that share corners with twenty-four equivalent GaTm4Ga8 cuboctahedra and faces with eight equivalent TmGa12 cuboctahedra. All Pd–Ga bond lengths are 2.55 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Tm and eight Ga atoms to form distorted GaTm4Ga8 cuboctahedra that share corners with four equivalent GaTm4Ga8 cuboctahedra, corners with four equivalent PdGa6 octahedra, edges with eight equivalent TmGa12 cuboctahedra, edges with eight equivalent GaTm4Ga8 cuboctahedra, faces with four equivalent TmGa12 cuboctahedra, and faces with six equivalent GaTm4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 51°. There are four shorter (2.78 Å) and four longer (3.04 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four equivalent Tm, one Pd, and four equivalent Ga atoms.

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Materials Data on MgGa2 by Materials Project

MgGa2 crystallizes in the trigonal P-3m1 space group. The structure is two-dimensional and consists of one MgGa2 sheet oriented in the (0, 0, 1) direction. Mg is bonded to three equivalent Ga atoms to form distorted MgGa3 cuboctahedra that share corners with six equivalent MgGa3 cuboctahedra, corners with six equivalent GaGa12 cuboctahedra, and a faceface with one GaGa12 cuboctahedra. All Mg–Ga bond lengths are 2.97 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to three equivalent Mg and three equivalent Ga atoms to form distorted GaMg3Ga3 cuboctahedra that share corners with twelve equivalent GaGa12 cuboctahedra, edges with twelve GaMg3Ga3 cuboctahedra, and a faceface with one GaGa12 cuboctahedra. All Ga–Ga bond lengths are 2.93 Å. In the second Ga site, Ga is bonded to twelve Ga atoms to form GaGa12 cuboctahedra that share corners with six equivalent MgGa3 cuboctahedra, corners with eighteen GaMg3Ga3 cuboctahedra, edges with eighteen GaMg3Ga3 cuboctahedra, a faceface with one MgGa3 cuboctahedra, and faces with thirteen GaMg3Ga3 cuboctahedra. There are three shorter (3.06 Å) and six longer (3.07 Å) Ga–Ga bond lengths.

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Materials Data on NpGa5Rh by Materials Project

NpRhGa5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Np is bonded to twelve Ga atoms to form NpGa12 cuboctahedra that share corners with four equivalent NpGa12 cuboctahedra, faces with four equivalent NpGa12 cuboctahedra, and faces with four equivalent GaNp4Ga8 cuboctahedra. There are eight shorter (2.95 Å) and four longer (3.04 Å) Np–Ga bond lengths. Rh is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Rh–Ga bond lengths are 2.55 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 4-coordinate geometry to two equivalent Np, two equivalent Rh, and two equivalent Ga atoms. Both Ga–Ga bond lengths are 2.95 Å. In the second Ga site, Ga is bonded to four equivalent Np and eight equivalent Ga atoms to form GaNp4Ga8 cuboctahedra that share corners with four equivalent GaNp4Ga8 cuboctahedra, faces with four equivalent NpGa12 cuboctahedra, and faces with four equivalent GaNp4Ga8 cuboctahedra.

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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.

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Materials Data on MgGa5 by Materials Project

MgGa5 crystallizes in the monoclinic Cm space group. The structure is two-dimensional and consists of one MgGa5 sheet oriented in the (0, 0, 1) direction. Mg is bonded to ten Ga atoms to form a mixture of distorted corner and face-sharing MgGa10 cuboctahedra. There are a spread of Mg–Ga bond distances ranging from 2.95–3.04 Å. There are five inequivalent Ga sites. In the first Ga site, Ga is bonded in a 12-coordinate geometry to two equivalent Mg atoms. In the second Ga site, Ga is bonded in a 12-coordinate geometry to three equivalent Mg atoms. In the third Ga site, Ga is bonded in a 12-coordinate geometry to two equivalent Mg atoms. In the fourth Ga site, Ga is bonded in a 1-coordinate geometry to one Mg atom. In the fifth Ga site, Ga is bonded in a 12-coordinate geometry to two equivalent Mg atoms.

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Materials Data on EuGa3Ag by Materials Project

EuAgGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to four equivalent Ag and twelve Ga atoms. All Eu–Ag bond lengths are 3.51 Å. There are eight shorter (3.35 Å) and four longer (3.51 Å) Eu–Ga bond lengths. Ag is bonded to four equivalent Eu and eight Ga atoms to form distorted AgEu4Ga8 cuboctahedra that share corners with four equivalent GaEu4Ga4Ag4 cuboctahedra, corners with twelve equivalent AgEu4Ga8 cuboctahedra, edges with two equivalent GaEu4Ga4Ag4 cuboctahedra, faces with four equivalent AgEu4Ga8 cuboctahedra, and faces with four equivalent GaEu4Ga4Ag4 cuboctahedra. There are four shorter (2.65 Å) and four longer (3.10 Å) Ag–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to four equivalent Eu, two equivalent Ag, and three Ga atoms. There are one shorter (2.50 Å) and two longer (2.65 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Eu, four equivalent Ag, and four equivalent Ga atoms to form GaEu4Ga4Ag4 cuboctahedra that share corners with four equivalent AgEu4Ga8 cuboctahedra, corners with twelve equivalent GaEu4Ga4Ag4 cuboctahedra, edges with two equivalent AgEu4Ga8 cuboctahedra, faces with four equivalent AgEu4Ga8 cuboctahedra, and faces with four equivalent GaEu4Ga4Ag4 cuboctahedra.

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Materials Data on MgGa by Materials Project

MgGa crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are three inequivalent Mg sites. In the first Mg site, Mg is bonded in a 12-coordinate geometry to six Ga atoms. There are a spread of Mg–Ga bond distances ranging from 2.95–3.01 Å. In the second Mg site, Mg is bonded in a 12-coordinate geometry to seven Ga atoms. There are a spread of Mg–Ga bond distances ranging from 2.88–3.12 Å. In the third Mg site, Mg is bonded in a 12-coordinate geometry to seven Ga atoms. There are a spread of Mg–Ga bond distances ranging from 2.89–2.94 Å. There are three inequivalent Ga sites. In the first Ga site, Ga is bonded in a 7-coordinate geometry to seven Mg atoms. In the second Ga site, Ga is bonded in a 12-coordinate geometry to six Mg atoms. In the third Ga site, Ga is bonded in a 9-coordinate geometry to seven Mg atoms.

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Materials Data on Lu3Ga5Co by Materials Project

Lu3CoGa5 crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Lu is bonded in a 5-coordinate geometry to one Co and ten Ga atoms. The Lu–Co bond length is 2.78 Å. There are a spread of Lu–Ga bond distances ranging from 2.93–3.22 Å. Co is bonded in a 9-coordinate geometry to three equivalent Lu and six equivalent Ga atoms. All Co–Ga bond lengths are 2.62 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to six equivalent Lu, two equivalent Co, and four Ga atoms to form a mixture of distorted edge, corner, and face-sharing GaLu6Ga4Co2 cuboctahedra. There are two shorter (2.68 Å) and two longer (2.73 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 9-coordinate geometry to six equivalent Lu and three equivalent Ga atoms.

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Materials Data on Lu4Ga12Ni by Materials Project

Lu4NiGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Lu is bonded to twelve Ga atoms to form LuGa12 cuboctahedra that share corners with twelve equivalent LuGa12 cuboctahedra, edges with twelve equivalent GaLu4Ga8 cuboctahedra, faces with six equivalent LuGa12 cuboctahedra, faces with six equivalent GaLu4Ga8 cuboctahedra, and faces with two equivalent NiGa6 octahedra. There are six shorter (3.01 Å) and six longer (3.03 Å) Lu–Ga bond lengths. Ni is bonded to six equivalent Ga atoms to form NiGa6 octahedra that share corners with twenty-four equivalent GaLu4Ga8 cuboctahedra and faces with eight equivalent LuGa12 cuboctahedra. All Ni–Ga bond lengths are 2.46 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Lu and eight Ga atoms to form distorted GaLu4Ga8 cuboctahedra that share corners with four equivalent GaLu4Ga8 cuboctahedra, corners with four equivalent NiGa6 octahedra, edges with eight equivalent LuGa12 cuboctahedra, edges with eight equivalent GaLu4Ga8 cuboctahedra, faces with four equivalent LuGa12 cuboctahedra, and faces with six equivalent GaLu4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 50°. There are four shorter (2.79 Å) and four longer (3.01 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 5-coordinate geometry to four equivalent Lu, one Ni, and four equivalent Ga atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Ho4Ga12Fe by Materials Project

Ho4FeGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Ho is bonded to twelve Ga atoms to form HoGa12 cuboctahedra that share corners with twelve equivalent HoGa12 cuboctahedra, edges with twelve equivalent GaHo4Ga8 cuboctahedra, faces with six equivalent HoGa12 cuboctahedra, faces with six equivalent GaHo4Ga8 cuboctahedra, and faces with two equivalent FeGa6 octahedra. There are six shorter (3.03 Å) and six longer (3.04 Å) Ho–Ga bond lengths. Fe is bonded to six equivalent Ga atoms to form FeGa6 octahedra that share corners with twenty-four equivalent GaHo4Ga8 cuboctahedra and faces with eight equivalent HoGa12 cuboctahedra. All Fe–Ga bond lengths are 2.43 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Ho and eight Ga atoms to form distorted GaHo4Ga8 cuboctahedra that share corners with four equivalent GaHo4Ga8 cuboctahedra, corners with four equivalent FeGa6 octahedra, edges with eight equivalent HoGa12 cuboctahedra, edges with eight equivalent GaHo4Ga8 cuboctahedra, faces with four equivalent HoGa12 cuboctahedra, and faces with six equivalent GaHo4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 49°. There are four shorter (2.83 Å) and four longer (3.03 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 5-coordinate geometry to four equivalent Ho, one Fe, and four equivalent Ga atoms.

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