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DOE OSTI2020

Materials Data on Ho2(Ga3Rh)3 by Materials Project

Ho2(RhGa3)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 3.02–3.14 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.58–2.65 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.56–2.64 Å. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to two equivalent Ho, two equivalent Rh, and six Ga atoms. There are four shorter (2.75 Å) and two longer (2.77 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 3-coordinate geometry to three equivalent Ho, three Rh, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.77–2.94 Å. In the third Ga site, Ga is bonded in a 3-coordinate geometry to two equivalent Ho, three Rh, and five Ga atoms. There are one shorter (2.80 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 Rh, and six Ga atoms. The Ga–Ga bond length is 2.74 Å.

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Materials Data on Yb(P2Rh3)2 by Materials Project

Yb(Rh3P2)2 crystallizes in the hexagonal P-6 space group. The structure is three-dimensional. Yb is bonded to six equivalent Rh and six equivalent P atoms to form distorted face-sharing YbP6Rh6 cuboctahedra. All Yb–Rh bond lengths are 3.04 Å. All Yb–P bond lengths are 2.94 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 5-coordinate geometry to five P atoms. There are three shorter (2.44 Å) and two longer (2.60 Å) Rh–P bond lengths. In the second Rh site, Rh is bonded in a 6-coordinate geometry to two equivalent Yb and four P atoms. There are a spread of Rh–P bond distances ranging from 2.33–2.48 Å. There are two inequivalent P sites. In the first P site, P is bonded in a 9-coordinate geometry to nine Rh atoms. In the second P site, P is bonded in a 8-coordinate geometry to two equivalent Yb and six Rh atoms.

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Materials Data on Ce5(Sn5Rh2)2 by Materials Project

Ce5Rh4Sn10 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Ce sites. In the first Ce site, Ce is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Sn atoms. All Ce–Rh bond lengths are 3.51 Å. There are eight shorter (3.24 Å) and four longer (3.56 Å) Ce–Sn bond lengths. In the second Ce site, Ce is bonded to four equivalent Rh and eight Sn atoms to form face-sharing CeSn8Rh4 cuboctahedra. All Ce–Rh bond lengths are 3.29 Å. There are two shorter (3.16 Å) and six longer (3.34 Å) Ce–Sn bond lengths. In the third Ce site, Ce is bonded in a 8-coordinate geometry to four equivalent Rh and ten Sn atoms. All Ce–Rh bond lengths are 3.65 Å. There are a spread of Ce–Sn bond distances ranging from 3.48–3.60 Å. Rh is bonded in a 10-coordinate geometry to five Ce and five Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.63–2.74 Å. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to six Ce, two equivalent Rh, and one Sn atom. The Sn–Sn bond length is 2.74 Å. In the second Sn site, Sn is bonded in a 2-coordinate geometry to five Ce and two equivalent Rh atoms. In the third Sn site, Sn is bonded in a 2-coordinate geometry to four Ce and two equivalent Rh atoms.

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Materials Data on Er5(Ge5Rh2)2 by Materials Project

Er5Rh4Ge10 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Er sites. In the first Er site, Er is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Ge atoms. All Er–Rh bond lengths are 3.22 Å. There are eight shorter (2.98 Å) and four longer (3.35 Å) Er–Ge bond lengths. In the second Er site, Er is bonded to four equivalent Rh and eight Ge atoms to form distorted face-sharing ErGe8Rh4 cuboctahedra. All Er–Rh bond lengths are 3.10 Å. There are a spread of Er–Ge bond distances ranging from 2.95–3.16 Å. In the third Er site, Er is bonded in a 4-coordinate geometry to four equivalent Rh and ten Ge atoms. All Er–Rh bond lengths are 3.34 Å. There are a spread of Er–Ge bond distances ranging from 3.21–3.32 Å. Rh is bonded in a 10-coordinate geometry to five Er and five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.44–2.57 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Er, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.46 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Er, two equivalent Rh, and three Ge atoms. There are one shorter (2.56 Å) and two longer (3.02 Å) Ge–Ge bond lengths. In the third Ge site, Ge is bonded in a 2-coordinate geometry to four Er, two equivalent Rh, and four Ge atoms. Both Ge–Ge bond lengths are 2.94 Å.

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Materials Data on Tb5(Ge5Rh2)2 by Materials Project

Tb5(Rh2Ge5)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Tb sites. In the first Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Ge atoms. All Tb–Rh bond lengths are 3.23 Å. There are eight shorter (3.01 Å) and four longer (3.36 Å) Tb–Ge bond lengths. In the second Tb site, Tb is bonded to four equivalent Rh and eight Ge atoms to form face-sharing TbGe8Rh4 cuboctahedra. All Tb–Rh bond lengths are 3.13 Å. There are a spread of Tb–Ge bond distances ranging from 2.96–3.13 Å. In the third Tb site, Tb is bonded in a 8-coordinate geometry to four equivalent Rh and ten Ge atoms. All Tb–Rh bond lengths are 3.35 Å. There are a spread of Tb–Ge bond distances ranging from 3.26–3.34 Å. Rh is bonded in a 10-coordinate geometry to five Tb and five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.45–2.58 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Tb, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.46 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Tb, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.57 Å. In the third Ge site, Ge is bonded in a 2-coordinate geometry to four Tb and two equivalent Rh atoms.

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Materials Data on U(GeRh)2 by Materials Project

URh2Ge2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. U is bonded in a 8-coordinate geometry to eight Rh and eight Ge atoms. There are four shorter (3.19 Å) and four longer (3.35 Å) U–Rh bond lengths. There are four shorter (3.23 Å) and four longer (3.25 Å) U–Ge bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded to four equivalent U and four equivalent Ge atoms to form distorted RhU4Ge4 tetrahedra that share corners with twelve equivalent GeU4Rh4 tetrahedra, edges with two equivalent GeU4Rh4 tetrahedra, edges with four equivalent RhU4Ge4 tetrahedra, and faces with four equivalent RhU4Ge4 tetrahedra. All Rh–Ge bond lengths are 2.49 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to four equivalent U and five Ge atoms. There are one shorter (2.42 Å) and four longer (2.49 Å) Rh–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded to four equivalent U and four equivalent Rh atoms to form distorted GeU4Rh4 tetrahedra that share corners with twelve equivalent RhU4Ge4 tetrahedra, edges with two equivalent RhU4Ge4 tetrahedra, edges with four equivalent GeU4Rh4 tetrahedra, and faces with four equivalent GeU4Rh4 tetrahedra. In the second Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent U and five Rh atoms.

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Materials Data on Dy2(B2Rh3)3 by Materials Project

Dy2(Rh3B2)3 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Dy is bonded in a 6-coordinate geometry to six equivalent Rh atoms. All Dy–Rh bond lengths are 3.02 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 4-coordinate geometry to two equivalent Dy and four B atoms. There are two shorter (2.15 Å) and two longer (2.17 Å) Rh–B bond lengths. In the second Rh site, Rh is bonded in a distorted square co-planar geometry to four equivalent B atoms. All Rh–B bond lengths are 2.16 Å. There are two inequivalent B sites. In the first B site, B is bonded to six equivalent Rh atoms to form distorted edge-sharing BRh6 pentagonal pyramids. In the second B site, B is bonded in a 6-coordinate geometry to six Rh atoms.

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Materials Data on Ce(AsRh)2 by Materials Project

Ce(RhAs)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Ce is bonded in a 12-coordinate geometry to eight Rh and eight As atoms. There are four shorter (3.30 Å) and four longer (3.32 Å) Ce–Rh bond lengths. There are four shorter (3.25 Å) and four longer (3.29 Å) Ce–As bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 12-coordinate geometry to four equivalent Ce and four equivalent As atoms. All Rh–As bond lengths are 2.56 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to four equivalent Ce and five As atoms. There are one shorter (2.42 Å) and four longer (2.47 Å) Rh–As bond lengths. There are two inequivalent As sites. In the first As site, As is bonded in a 8-coordinate geometry to four equivalent Ce and four equivalent Rh atoms. In the second As site, As is bonded in a 9-coordinate geometry to four equivalent Ce and five Rh atoms.

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Materials Data on Tb2Ge5Rh3 by Materials Project

Tb2Rh3Ge5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Tb is bonded in a 1-coordinate geometry to eight Ge atoms. There are a spread of Tb–Ge bond distances ranging from 3.01–3.32 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 6-coordinate geometry to six Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.51–2.71 Å. In the second Rh site, Rh is bonded in a 5-coordinate geometry to five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.41–2.52 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Tb, three Rh, and two Ge atoms. Both Ge–Ge bond lengths are 2.69 Å. In the second Ge site, Ge is bonded in a 3-coordinate geometry to three Rh and four Ge atoms. Both Ge–Ge bond lengths are 2.98 Å. In the third Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Tb and four equivalent Rh atoms. In the fourth Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Tb, three Rh, and four Ge atoms.

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Materials Data on IrRh3 by Materials Project

IrRh3 is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ir is bonded to twelve Rh atoms to form IrRh12 cuboctahedra that share corners with four equivalent IrRh12 cuboctahedra, corners with eight equivalent RhIr4Rh8 cuboctahedra, edges with eight equivalent IrRh12 cuboctahedra, edges with sixteen equivalent RhIr4Rh8 cuboctahedra, faces with four equivalent IrRh12 cuboctahedra, and faces with fourteen RhIr4Rh8 cuboctahedra. There are four shorter (2.72 Å) and eight longer (2.73 Å) Ir–Rh bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded to four equivalent Ir and eight Rh atoms to form RhIr4Rh8 cuboctahedra that share corners with twelve equivalent RhIr4Rh8 cuboctahedra, edges with eight equivalent IrRh12 cuboctahedra, edges with sixteen RhIr4Rh8 cuboctahedra, faces with four equivalent IrRh12 cuboctahedra, and faces with fourteen RhIr4Rh8 cuboctahedra. There are four shorter (2.72 Å) and four longer (2.73 Å) Rh–Rh bond lengths. In the second Rh site, Rh is bonded to four equivalent Ir and eight equivalent Rh atoms to form RhIr4Rh8 cuboctahedra that share corners with four equivalent RhIr4Rh8 cuboctahedra, corners with eight equivalent IrRh12 cuboctahedra, edges with twenty-four RhIr4Rh8 cuboctahedra, faces with six equivalent IrRh12 cuboctahedra, and faces with twelve RhIr4Rh8 cuboctahedra.

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Materials Data on Sm(Ge2Rh3)2 by Materials Project

Sm(Rh3Ge2)2 crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Sm is bonded to six equivalent Rh and six equivalent Ge atoms to form face-sharing SmGe6Rh6 cuboctahedra. All Sm–Rh bond lengths are 3.17 Å. All Sm–Ge bond lengths are 3.14 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 5-coordinate geometry to five Ge atoms. There are one shorter (2.50 Å) and four longer (2.57 Å) Rh–Ge bond lengths. In the second Rh site, Rh is bonded in a 6-coordinate geometry to two equivalent Sm and four Ge atoms. There are two shorter (2.49 Å) and two longer (2.56 Å) Rh–Ge bond lengths. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to nine Rh atoms. In the second Ge site, Ge is bonded in a 8-coordinate geometry to two equivalent Sm and six Rh atoms.

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DOE OSTI2020

Materials Data on Lu3Ga8Rh3 by Materials Project

Lu3Rh3Ga8 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Lu sites. In the first Lu site, Lu is bonded to twelve Ga atoms to form distorted face-sharing LuGa12 cuboctahedra. There are eight shorter (3.12 Å) and four longer (3.23 Å) Lu–Ga bond lengths. In the second Lu site, Lu is bonded in a 12-coordinate geometry to four Rh and eight Ga atoms. There are two shorter (2.94 Å) and two longer (2.98 Å) Lu–Rh bond lengths. There are four shorter (3.03 Å) and four longer (3.15 Å) Lu–Ga bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to four equivalent Lu and four equivalent Ga atoms. All Rh–Ga bond lengths are 2.60 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to two equivalent Lu and six Ga atoms. There are two shorter (2.55 Å) and four longer (2.60 Å) Rh–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to three Lu, three Rh, and three equivalent Ga atoms. There are two shorter (2.66 Å) and one longer (2.70 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four Lu, one Rh, and four Ga atoms. The Ga–Ga bond length is 2.52 Å.

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Materials Data on ThSiRh by Materials Project

ThRhSi is hexagonal omega structure-derived structured and crystallizes in the tetragonal I4_1md space group. The structure is three-dimensional. Th is bonded to six equivalent Rh and six equivalent Si atoms to form a mixture of edge and face-sharing ThSi6Rh6 cuboctahedra. There are two shorter (3.13 Å) and four longer (3.21 Å) Th–Rh bond lengths. There are four shorter (3.16 Å) and two longer (3.23 Å) Th–Si bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 3-coordinate geometry to six equivalent Th and three equivalent Si atoms. There are two shorter (2.40 Å) and one longer (2.42 Å) Rh–Si bond lengths. In the second Rh site, Rh is bonded in a 3-coordinate geometry to six equivalent Th and three equivalent Si atoms. There are two shorter (3.13 Å) and four longer (3.21 Å) Rh–Th bond lengths. There are two shorter (2.40 Å) and one longer (2.42 Å) Rh–Si bond lengths. Si is bonded in a distorted trigonal planar geometry to six equivalent Th and three equivalent Rh atoms.

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Materials Data on BaSi9Rh2 by Materials Project

BaRh2Si9 is Magnesium tetraboride-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Ba is bonded in a 6-coordinate geometry to eighteen Si atoms. There are a spread of Ba–Si bond distances ranging from 3.29–3.73 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to eight Si atoms. There are a spread of Rh–Si bond distances ranging from 2.41–2.73 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to eight Si atoms. There are a spread of Rh–Si bond distances ranging from 2.42–2.70 Å. There are five inequivalent Si sites. In the first Si site, Si is bonded in a 1-coordinate geometry to three equivalent Ba, one Rh, and two Si atoms. There are one shorter (2.41 Å) and one longer (2.76 Å) Si–Si bond lengths. In the second Si site, Si is bonded in a 1-coordinate geometry to three equivalent Ba, one Rh, and two Si atoms. There are one shorter (2.41 Å) and one longer (2.78 Å) Si–Si bond lengths. In the third Si site, Si is bonded in a 2-coordinate geometry to three Rh and five Si atoms. There are a spread of Si–Si bond distances ranging from 2.37–2.87 Å. In the fourth Si site, Si is bonded in a 2-coordinate geometry to one Ba, three Rh, and two Si atoms. The Si–Si bond length is 2.37 Å. In the fifth Si site, Si is bonded in a 8-coordinate geometry to four equivalent Ba and four Si atoms.

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Materials Data on Tb2(Ga3Rh)3 by Materials Project

Tb2(RhGa3)3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tb is bonded in a 11-coordinate geometry to eleven Ga atoms. There are a spread of Tb–Ga bond distances ranging from 3.03–3.14 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.58–2.64 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.57–2.63 Å. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Tb, two equivalent Rh, and six Ga atoms. There are four shorter (2.76 Å) and two longer (2.77 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 3-coordinate geometry to three equivalent Tb, three Rh, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.78–2.93 Å. In the third Ga site, Ga is bonded in a 3-coordinate geometry to two equivalent Tb, three Rh, and five Ga atoms. There are one shorter (2.77 Å) and two longer (2.83 Å) Ga–Ga bond lengths. In the fourth Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Tb, two equivalent Rh, and six Ga atoms. The Ga–Ga bond length is 2.74 Å.

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DOE OSTI2020

Materials Data on Er2(Ga3Rh)3 by Materials Project

Er2(RhGa3)3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Er is bonded in a 11-coordinate geometry to eleven Ga atoms. There are a spread of Er–Ga bond distances ranging from 3.01–3.14 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.57–2.65 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.56–2.64 Å. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to two equivalent Er, two equivalent Rh, and six Ga atoms. There are four shorter (2.75 Å) and two longer (2.78 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 3-coordinate geometry to three equivalent Er, three Rh, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.77–2.95 Å. In the third Ga site, Ga is bonded in a 3-coordinate geometry to two equivalent Er, three Rh, and five Ga atoms. All Ga–Ga bond lengths are 2.81 Å. In the fourth Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Er, two equivalent Rh, and six Ga atoms. The Ga–Ga bond length is 2.74 Å.

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Materials Data on Tm2(Al3Rh)3 by Materials Project

Tm2(RhAl3)3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Tm is bonded in a 11-coordinate geometry to eleven Al atoms. There are a spread of Tm–Al bond distances ranging from 3.04–3.12 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 8-coordinate geometry to eight Al atoms. There are a spread of Rh–Al bond distances ranging from 2.55–2.62 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to eight Al atoms. There are a spread of Rh–Al bond distances ranging from 2.54–2.61 Å. There are four inequivalent Al sites. In the first Al site, Al is bonded in a 2-coordinate geometry to two equivalent Tm and two equivalent Rh atoms. In the second Al site, Al is bonded in a 3-coordinate geometry to three equivalent Tm and three Rh atoms. In the third Al site, Al is bonded in a 3-coordinate geometry to two equivalent Tm and three Rh atoms. In the fourth Al site, Al is bonded in a 2-coordinate geometry to two equivalent Tm and two equivalent Rh atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Er2B6Rh by Materials Project

Er2RhB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Er sites. In the first Er site, Er is bonded in a 12-coordinate geometry to three equivalent Rh and fourteen B atoms. There are a spread of Er–Rh bond distances ranging from 3.06–3.17 Å. There are a spread of Er–B bond distances ranging from 2.72–2.80 Å. In the second Er site, Er is bonded in a 12-coordinate geometry to two equivalent Rh and twelve B atoms. There are one shorter (2.85 Å) and one longer (2.87 Å) Er–Rh bond lengths. There are a spread of Er–B bond distances ranging from 2.60–2.62 Å. Rh is bonded in a 12-coordinate geometry to five Er and ten B atoms. There are a spread of Rh–B bond distances ranging from 2.35–2.41 Å. There are six inequivalent B sites. In the first B site, B is bonded in a 9-coordinate geometry to six Er and three B atoms. There are a spread of B–B bond distances ranging from 1.78–2.14 Å. In the second B site, B is bonded in a 9-coordinate geometry to four Er, two equivalent Rh, and three B atoms. There is one shorter (1.74 Å) and one longer (1.82 Å) B–B bond length. In the third B site, B is bonded in a 9-coordinate geometry to four equivalent Er, two equivalent Rh, and three B atoms. There are a spread of B–B bond distances ranging from 1.79–1.81 Å. In the fourth B site, B is bonded in a 9-coordinate geometry to four Er, two equivalent Rh, and three B atoms. The B–B bond length is 1.83 Å. In the fifth B site, B is bonded in a 9-coordinate geometry to four Er, two equivalent Rh, and three B atoms. The B–B bond length is 1.83 Å. In the sixth B site, B is bonded in a 9-coordinate geometry to four Er, two equivalent Rh, and three B atoms.

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