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DOE OSTI2020

Materials Data on Sm(Sn2Rh)2 by Materials Project

Sm(RhSn2)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Sm is bonded in a 6-coordinate geometry to six Sn atoms. There are a spread of Sm–Sn bond distances ranging from 3.18–3.22 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.71–2.89 Å. In the second Rh site, Rh is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.72–2.82 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 6-coordinate geometry to two equivalent Sm and four Rh atoms. In the second Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Sm and three equivalent Rh atoms. In the third Sn site, Sn is bonded in a 3-coordinate geometry to two equivalent Sm and three equivalent Rh atoms. In the fourth Sn site, Sn is bonded to four Rh atoms to form a mixture of distorted corner and edge-sharing SnRh4 tetrahedra.

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Materials Data on Ho2(B2Rh3)3 by Materials Project

Ho2(Rh3B2)3 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Ho is bonded in a 12-coordinate geometry to one Ho, twelve Rh, and six equivalent B atoms. The Ho–Ho bond length is 3.50 Å. There are six shorter (3.01 Å) and six longer (3.30 Å) Ho–Rh bond lengths. All Ho–B bond lengths are 3.24 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 4-coordinate geometry to two equivalent Ho and four B atoms. There are two shorter (2.14 Å) and two longer (2.16 Å) Rh–B bond lengths. In the second Rh site, Rh is bonded in a distorted square co-planar geometry to four equivalent Ho and 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 three equivalent Ho and six Rh atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Yb2B6Rh by Materials Project

Yb2RhB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Yb sites. In the first Yb site, Yb is bonded in a 12-coordinate geometry to three equivalent Rh and fourteen B atoms. There are a spread of Yb–Rh bond distances ranging from 3.05–3.16 Å. There are a spread of Yb–B bond distances ranging from 2.75–2.87 Å. In the second Yb site, Yb is bonded in a 12-coordinate geometry to two equivalent Rh and twelve B atoms. There are one shorter (2.78 Å) and one longer (2.80 Å) Yb–Rh bond lengths. There are a spread of Yb–B bond distances ranging from 2.57–2.61 Å. Rh is bonded in a 12-coordinate geometry to five Yb and ten B atoms. There are a spread of Rh–B bond distances ranging from 2.35–2.40 Å. There are six inequivalent B sites. In the first B site, B is bonded in a 9-coordinate geometry to six Yb and three B atoms. There is one shorter (1.81 Å) and two longer (1.86 Å) B–B bond length. In the second B site, B is bonded in a 9-coordinate geometry to four Yb, two equivalent Rh, and three B atoms. There is one shorter (1.72 Å) and one longer (1.77 Å) B–B bond length. In the third B site, B is bonded in a 9-coordinate geometry to four equivalent Yb, two equivalent Rh, and three B atoms. There are a spread of B–B bond distances ranging from 1.76–1.85 Å. In the fourth B site, B is bonded in a 9-coordinate geometry to four Yb, two equivalent Rh, and three B atoms. The B–B bond length is 1.86 Å. In the fifth B site, B is bonded in a 9-coordinate geometry to four Yb, two equivalent Rh, and three B atoms. The B–B bond length is 1.79 Å. In the sixth B site, B is bonded in a 9-coordinate geometry to four Yb, two equivalent Rh, and three B atoms.

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DOE OSTI2020

Materials Data on Yb2(B2Rh3)3 by Materials Project

Yb2(Rh3B2)3 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Yb is bonded in a 12-coordinate geometry to one Yb, twelve Rh, and six equivalent B atoms. The Yb–Yb bond length is 3.47 Å. There are six shorter (3.03 Å) and six longer (3.31 Å) Yb–Rh bond lengths. All Yb–B bond lengths are 3.26 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 4-coordinate geometry to two equivalent Yb and four B atoms. There are two shorter (2.15 Å) and two longer (2.16 Å) Rh–B bond lengths. In the second Rh site, Rh is bonded in a distorted square co-planar geometry to four equivalent Yb and 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 three equivalent Yb and six Rh atoms.

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Materials Data on Ce(SnRh)2 by Materials Project

Ce(RhSn)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 Sn atoms. There are four shorter (3.45 Å) and four longer (3.48 Å) Ce–Rh bond lengths. There are four shorter (3.44 Å) and four longer (3.53 Å) Ce–Sn bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 4-coordinate geometry to four equivalent Ce and four equivalent Sn atoms. All Rh–Sn bond lengths are 2.64 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to four equivalent Ce and five Sn atoms. There are one shorter (2.57 Å) and four longer (2.67 Å) Rh–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded to four equivalent Ce and four equivalent Rh atoms to form a mixture of distorted face and edge-sharing SnCe4Rh4 tetrahedra. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent Ce and five Rh atoms.

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Materials Data on Tm2Ge5Rh3 by Materials Project

Tm2Rh3Ge5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Tm is bonded in a 1-coordinate geometry to six Ge atoms. There are a spread of Tm–Ge bond distances ranging from 3.00–3.32 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 2.50–2.70 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 2.39–2.52 Å. There are four inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Tm, three Rh, and two Ge atoms. There are one shorter (2.68 Å) and one longer (2.69 Å) Ge–Ge bond lengths. 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 2.95 Å. In the third Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Rh atoms. In the fourth Ge site, Ge is bonded in a 2-coordinate geometry to four equivalent Tm, three Rh, and four Ge atoms.

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Materials Data on La2(PRh)3 by Materials Project

La2(RhP)3 crystallizes in the tetragonal P4/mmm space group. The structure is one-dimensional and consists of one La2(RhP)3 ribbon oriented in the (0, 0, 1) direction. La is bonded in a linear geometry to one Rh and one P atom. The La–Rh bond length is 2.17 Å. The La–P bond length is 2.80 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a linear geometry to one La and one P atom. The Rh–P bond length is 2.32 Å. In the second Rh site, Rh is bonded in a linear geometry to two equivalent P atoms. Both Rh–P bond lengths are 2.15 Å. There are two inequivalent P sites. In the first P site, P is bonded in a linear geometry to one La and one Rh atom. In the second P site, P is bonded in a linear geometry to two equivalent Rh atoms.

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Materials Data on Tm2B6Rh by Materials Project

Tm2RhB6 crystallizes in the orthorhombic Pbam space group. The structure is three-dimensional. there are two inequivalent Tm sites. In the first Tm site, Tm is bonded in a 12-coordinate geometry to three equivalent Rh and fourteen B atoms. There are a spread of Tm–Rh bond distances ranging from 3.05–3.16 Å. There are a spread of Tm–B bond distances ranging from 2.71–2.79 Å. In the second Tm site, Tm is bonded in a 12-coordinate geometry to two equivalent Rh and twelve B atoms. There are one shorter (2.84 Å) and one longer (2.86 Å) Tm–Rh bond lengths. There are a spread of Tm–B bond distances ranging from 2.58–2.61 Å. Rh is bonded in a 12-coordinate geometry to five Tm and ten B atoms. There are a spread of Rh–B bond distances ranging from 2.34–2.40 Å. There are six inequivalent B sites. In the first B site, B is bonded in a 9-coordinate geometry to six Tm and three B atoms. There are a spread of B–B bond distances ranging from 1.77–2.12 Å. In the second B site, B is bonded in a 9-coordinate geometry to four Tm, 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 Tm, two equivalent Rh, and three B atoms. There is two shorter (1.79 Å) and one longer (1.81 Å) B–B bond length. In the fourth B site, B is bonded in a 9-coordinate geometry to four Tm, two equivalent Rh, and three B atoms. The B–B bond length is 1.81 Å. In the fifth B site, B is bonded in a 9-coordinate geometry to four Tm, 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 Tm, two equivalent Rh, and three B atoms.

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Materials Data on Lu(P2Rh3)2 by Materials Project

Lu(Rh3P2)2 crystallizes in the trigonal P3 space group. The structure is three-dimensional. Lu is bonded to six equivalent Rh and six equivalent P atoms to form face-sharing LuP6Rh6 cuboctahedra. There are three shorter (3.00 Å) and three longer (3.01 Å) Lu–Rh bond lengths. All Lu–P bond lengths are 2.95 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 a spread of Rh–P bond distances ranging from 2.42–2.52 Å. In the second Rh site, Rh is bonded in a 6-coordinate geometry to two equivalent Lu and four P atoms. There are a spread of Rh–P bond distances ranging from 2.32–2.51 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 Lu and six Rh atoms.

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Materials Data on Y2(Ga3Rh)3 by Materials Project

Y2(RhGa3)3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Y is bonded in a 11-coordinate geometry to eleven Ga atoms. There are a spread of Y–Ga bond distances ranging from 3.00–3.14 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 2.55–2.65 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 2.58–2.65 Å. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a 3-coordinate geometry to two equivalent Y, three Rh, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.81–2.86 Å. In the second Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Y, two equivalent Rh, and six Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.69–2.81 Å. In the third Ga site, Ga is bonded in a 3-coordinate geometry to three equivalent Y, three Rh, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.75–2.97 Å. In the fourth Ga site, Ga is bonded in a 2-coordinate geometry to two equivalent Y, two equivalent Rh, and six Ga atoms.

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Materials Data on Lu5(Ge5Rh2)2 by Materials Project

Lu5(Rh2Ge5)2 crystallizes in the tetragonal P4/mbm space group. The structure is three-dimensional. there are three inequivalent Lu sites. In the first Lu site, Lu is bonded in a 8-coordinate geometry to four equivalent Rh and twelve Ge atoms. All Lu–Rh bond lengths are 3.23 Å. There are eight shorter (2.92 Å) and four longer (3.35 Å) Lu–Ge bond lengths. In the second Lu site, Lu is bonded to four equivalent Rh and eight Ge atoms to form face-sharing LuGe8Rh4 cuboctahedra. All Lu–Rh bond lengths are 3.08 Å. There are a spread of Lu–Ge bond distances ranging from 2.91–3.11 Å. In the third Lu site, Lu is bonded in a 12-coordinate geometry to four equivalent Rh and ten Ge atoms. All Lu–Rh bond lengths are 3.29 Å. There are a spread of Lu–Ge bond distances ranging from 3.21–3.41 Å. Rh is bonded in a 10-coordinate geometry to five Lu and five Ge atoms. There are a spread of Rh–Ge bond distances ranging from 2.43–2.58 Å. There are three inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to six Lu, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.44 Å. In the second Ge site, Ge is bonded in a 2-coordinate geometry to five Lu, two equivalent Rh, and one Ge atom. The Ge–Ge bond length is 2.55 Å. In the third Ge site, Ge is bonded in a 2-coordinate geometry to four Lu, two equivalent Rh, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.86 Å.

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Materials Data on Ce(Sn2Rh)2 by Materials Project

Ce(RhSn2)2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ce is bonded in a 6-coordinate geometry to seven Sn atoms. There are a spread of Ce–Sn bond distances ranging from 3.18–3.37 Å. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.71–2.89 Å. In the second Rh site, Rh is bonded in a 7-coordinate geometry to seven Sn atoms. There are a spread of Rh–Sn bond distances ranging from 2.70–2.83 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 6-coordinate geometry to two equivalent Ce and four Rh atoms. In the second Sn site, Sn is bonded in a 5-coordinate geometry to two equivalent Ce and three equivalent Rh atoms. In the third Sn site, Sn is bonded in a 3-coordinate geometry to three equivalent Ce and three equivalent Rh atoms. In the fourth Sn site, Sn is bonded to four Rh atoms to form a mixture of distorted edge and corner-sharing SnRh4 tetrahedra.

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Materials Data on Er2P7Rh12 by Materials Project

Er2Rh12P7 crystallizes in the trigonal P-3 space group. The structure is three-dimensional. Er is bonded to six equivalent Rh and six equivalent P atoms to form distorted ErP6Rh6 cuboctahedra that share corners with twelve equivalent RhP4 tetrahedra, edges with three equivalent RhP4 tetrahedra, and faces with two equivalent ErP6Rh6 cuboctahedra. All Er–Rh bond lengths are 3.03 Å. There are three shorter (3.01 Å) and three longer (3.02 Å) Er–P bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 2-coordinate geometry to two equivalent Er and four equivalent P atoms. There are a spread of Rh–P bond distances ranging from 2.32–2.60 Å. In the second Rh site, Rh is bonded to four P atoms to form distorted RhP4 tetrahedra that share corners with four equivalent ErP6Rh6 cuboctahedra, corners with seven equivalent RhP4 tetrahedra, an edgeedge with one ErP6Rh6 cuboctahedra, and edges with two equivalent RhP4 tetrahedra. There are a spread of Rh–P bond distances ranging from 2.35–2.49 Å. There are two inequivalent P sites. In the first P site, P is bonded in a distorted octahedral geometry to six equivalent Rh atoms. In the second P site, P is bonded in a 9-coordinate geometry to two equivalent Er and seven Rh atoms.

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Materials Data on Ti6Al16Rh7 by Materials Project

Ti6Rh7Al16 crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ti is bonded in a 4-coordinate geometry to four equivalent Ti, four equivalent Rh, and eight Al atoms. All Ti–Ti bond lengths are 3.05 Å. All Ti–Rh bond lengths are 3.16 Å. There are four shorter (2.72 Å) and four longer (3.20 Å) Ti–Al bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 12-coordinate geometry to four equivalent Ti and eight Al atoms. There are four shorter (2.48 Å) and four longer (2.66 Å) Rh–Al bond lengths. In the second Rh site, Rh is bonded in a body-centered cubic geometry to eight equivalent Al atoms. All Rh–Al bond lengths are 2.53 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a distorted trigonal planar geometry to three equivalent Ti and three equivalent Rh atoms. In the second Al site, Al is bonded to three equivalent Ti and four Rh atoms to form a mixture of distorted face, edge, and corner-sharing AlTi3Rh4 tetrahedra.

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Materials Data on Nd(PRh)2 by Materials Project

Nd(RhP)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Nd is bonded in a 12-coordinate geometry to eight Rh and eight P atoms. There are four shorter (3.20 Å) and four longer (3.24 Å) Nd–Rh bond lengths. There are four shorter (3.13 Å) and four longer (3.17 Å) Nd–P bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 12-coordinate geometry to four equivalent Nd and four equivalent P atoms. All Rh–P bond lengths are 2.48 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to four equivalent Nd and five P atoms. There are four shorter (2.35 Å) and one longer (2.39 Å) Rh–P bond lengths. There are two inequivalent P sites. In the first P site, P is bonded in a 8-coordinate geometry to four equivalent Nd and four equivalent Rh atoms. In the second P site, P is bonded in a 9-coordinate geometry to four equivalent Nd and five Rh atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Sr8RuRh3O16 by Materials Project

Sr8RuRh3O16 crystallizes in the tetragonal I-4 space group. The structure is three-dimensional. there are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–3.04 Å. In the second Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are three shorter (2.48 Å) and four longer (2.77 Å) Sr–O bond lengths. In the third Sr2+ site, Sr2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–2.77 Å. Ru5+ is bonded to six O2- atoms to form RuO6 octahedra that share corners with four equivalent RhO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are four shorter (1.96 Å) and two longer (2.06 Å) Ru–O bond lengths. There are two inequivalent Rh+3.67+ sites. In the first Rh+3.67+ site, Rh+3.67+ is bonded to six O2- atoms to form RhO6 octahedra that share corners with four equivalent RuO6 octahedra. The corner-sharing octahedral tilt angles are 22°. There are four shorter (2.02 Å) and two longer (2.11 Å) Rh–O bond lengths. In the second Rh+3.67+ site, Rh+3.67+ is bonded to six O2- atoms to form corner-sharing RhO6 octahedra. The corner-sharing octahedral tilt angles are 23°. There are four shorter (2.00 Å) and two longer (2.10 Å) Rh–O bond lengths. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Sr2+ and two equivalent Rh+3.67+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Sr2+, one Ru5+, and one Rh+3.67+ atom. In the third O2- site, O2- is bonded to five Sr2+ and one Ru5+ atom to form OSr5Ru octahedra that share corners with five equivalent OSr5Ru octahedra and edges with eight OSr5Rh octahedra. The corner-sharing octahedra tilt angles range from 0–5°. In the fourth O2- site, O2- is bonded to five Sr2+ and one Rh+3.67+ atom to form OSr5Rh octahedra that share corners with five equivalent OSr5Rh octahedra and edges with eight OSr5Ru octahedra. The corner-sharing octahedra tilt angles range from 0–6°. In the fifth O2- site, O2- is bonded to five Sr2+ and one Rh+3.67+ atom to form OSr5Rh octahedra that share corners with five equivalent OSr5Rh octahedra and edges with eight OSr5Ru octahedra. The corner-sharing octahedra tilt angles range from 0–8°.

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Materials Data on U2Si5Rh3 by Materials Project

U2Rh3Si5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. U5+ is bonded in a 10-coordinate geometry to ten Si4- atoms. There are a spread of U–Si bond distances ranging from 3.00–3.26 Å. There are two inequivalent Rh+3.33+ sites. In the first Rh+3.33+ site, Rh+3.33+ is bonded in a distorted hexagonal planar geometry to six Si4- atoms. There are a spread of Rh–Si bond distances ranging from 2.44–2.59 Å. In the second Rh+3.33+ site, Rh+3.33+ is bonded in a 5-coordinate geometry to five Si4- atoms. There are a spread of Rh–Si bond distances ranging from 2.37–2.47 Å. There are four inequivalent Si4- sites. In the first Si4- site, Si4- is bonded in a 9-coordinate geometry to four equivalent U5+, three Rh+3.33+, and two Si4- atoms. There are one shorter (2.50 Å) and one longer (2.52 Å) Si–Si bond lengths. In the second Si4- site, Si4- is bonded in a 3-coordinate geometry to four equivalent U5+, three Rh+3.33+, and two equivalent Si4- atoms. In the third Si4- site, Si4- is bonded in a 4-coordinate geometry to four equivalent U5+ and four equivalent Rh+3.33+ atoms. In the fourth Si4- site, Si4- is bonded in a 3-coordinate geometry to four equivalent U5+, three Rh+3.33+, and two equivalent Si4- atoms.

36 MATERIALS SCIENCE↗
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Materials Data on Ho3Ga8Rh3 by Materials Project

Ho3Rh3Ga8 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to twelve Ga atoms to form distorted face-sharing HoGa12 cuboctahedra. There are eight shorter (3.18 Å) and four longer (3.22 Å) Ho–Ga bond lengths. In the second Ho site, Ho is bonded in a 12-coordinate geometry to four Rh and eight Ga atoms. There are two shorter (2.98 Å) and two longer (3.00 Å) Ho–Rh bond lengths. There are four shorter (3.04 Å) and four longer (3.16 Å) Ho–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 Ho and four equivalent Ga atoms. All Rh–Ga bond lengths are 2.61 Å. In the second Rh site, Rh is bonded in a 8-coordinate geometry to two equivalent Ho 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 Ho, three Rh, and three equivalent Ga atoms. There are two shorter (2.66 Å) and one longer (2.71 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four Ho, one Rh, and four Ga atoms. The Ga–Ga bond length is 2.54 Å.

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