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DOE OSTI2020

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 Eu3Mg by Materials Project

MgEu3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Mg is bonded to twelve equivalent Eu atoms to form MgEu12 cuboctahedra that share corners with six equivalent MgEu12 cuboctahedra, corners with twelve equivalent EuEu8Mg4 cuboctahedra, edges with eighteen equivalent EuEu8Mg4 cuboctahedra, faces with eight equivalent MgEu12 cuboctahedra, and faces with twelve equivalent EuEu8Mg4 cuboctahedra. There are six shorter (3.70 Å) and six longer (3.77 Å) Mg–Eu bond lengths. Eu is bonded to four equivalent Mg and eight equivalent Eu atoms to form EuEu8Mg4 cuboctahedra that share corners with four equivalent MgEu12 cuboctahedra, corners with fourteen equivalent EuEu8Mg4 cuboctahedra, edges with six equivalent MgEu12 cuboctahedra, edges with twelve equivalent EuEu8Mg4 cuboctahedra, faces with four equivalent MgEu12 cuboctahedra, and faces with sixteen equivalent EuEu8Mg4 cuboctahedra. There are a spread of Eu–Eu bond distances ranging from 3.68–3.85 Å.

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DOE OSTI2020

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.

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Materials Data on SmEu3 by Materials Project

Eu3Sm is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Eu is bonded to eight equivalent Eu and four equivalent Sm atoms to form EuSm4Eu8 cuboctahedra that share corners with four equivalent SmEu12 cuboctahedra, corners with fourteen equivalent EuSm4Eu8 cuboctahedra, edges with six equivalent SmEu12 cuboctahedra, edges with twelve equivalent EuSm4Eu8 cuboctahedra, faces with four equivalent SmEu12 cuboctahedra, and faces with sixteen equivalent EuSm4Eu8 cuboctahedra. There are a spread of Eu–Eu bond distances ranging from 3.79–3.91 Å. There are two shorter (3.81 Å) and two longer (3.85 Å) Eu–Sm bond lengths. Sm is bonded to twelve equivalent Eu atoms to form SmEu12 cuboctahedra that share corners with six equivalent SmEu12 cuboctahedra, corners with twelve equivalent EuSm4Eu8 cuboctahedra, edges with eighteen equivalent EuSm4Eu8 cuboctahedra, faces with eight equivalent SmEu12 cuboctahedra, and faces with twelve equivalent EuSm4Eu8 cuboctahedra.

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DOE OSTI2020

Materials Data on LiEuGe2 by Materials Project

LiEuGe2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Li is bonded in a 5-coordinate geometry to four equivalent Eu and five Ge atoms. There are two shorter (3.55 Å) and two longer (3.57 Å) Li–Eu bond lengths. There are a spread of Li–Ge bond distances ranging from 2.62–2.75 Å. Eu is bonded in a 6-coordinate geometry to four equivalent Li and nine Ge atoms. There are a spread of Eu–Ge bond distances ranging from 3.15–3.42 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 3-coordinate geometry to three equivalent Li, four equivalent Eu, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.53 Å. In the second Ge site, Ge is bonded in a 1-coordinate geometry to two equivalent Li, five equivalent Eu, and two equivalent Ge atoms.

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Materials Data on NdEu2BeO5 by Materials Project

BeEu2NdO5 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Be2+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Be–O bond distances ranging from 1.62–1.69 Å. Eu+2.50+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Eu–O bond distances ranging from 2.49–2.81 Å. Nd3+ is bonded in a 7-coordinate geometry to eight O2- atoms. There are a spread of Nd–O bond distances ranging from 2.37–2.88 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Be2+, four equivalent Eu+2.50+, and one Nd3+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Be2+, three equivalent Eu+2.50+, and two equivalent Nd3+ atoms. In the third O2- site, O2- is bonded in a 6-coordinate geometry to four equivalent Eu+2.50+ and two equivalent Nd3+ atoms. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Be2+, four equivalent Eu+2.50+, and one Nd3+ atom.

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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 Eu3Th by Materials Project

ThEu3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Th is bonded to twelve equivalent Eu atoms to form ThEu12 cuboctahedra that share corners with twelve equivalent ThEu12 cuboctahedra, edges with twenty-four equivalent EuEu8Th4 cuboctahedra, faces with six equivalent ThEu12 cuboctahedra, and faces with twelve equivalent EuEu8Th4 cuboctahedra. All Th–Eu bond lengths are 3.80 Å. Eu is bonded to four equivalent Th and eight equivalent Eu atoms to form EuEu8Th4 cuboctahedra that share corners with twelve equivalent EuEu8Th4 cuboctahedra, edges with eight equivalent ThEu12 cuboctahedra, edges with sixteen equivalent EuEu8Th4 cuboctahedra, faces with four equivalent ThEu12 cuboctahedra, and faces with fourteen equivalent EuEu8Th4 cuboctahedra. All Eu–Eu bond lengths are 3.80 Å.

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Materials Data on CeEu3 by Materials Project

Eu3Ce is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Eu is bonded to eight equivalent Eu and four equivalent Ce atoms to form EuCe4Eu8 cuboctahedra that share corners with four equivalent CeEu12 cuboctahedra, corners with fourteen equivalent EuCe4Eu8 cuboctahedra, edges with six equivalent CeEu12 cuboctahedra, edges with twelve equivalent EuCe4Eu8 cuboctahedra, faces with four equivalent CeEu12 cuboctahedra, and faces with sixteen equivalent EuCe4Eu8 cuboctahedra. There are a spread of Eu–Eu bond distances ranging from 3.80–3.96 Å. There are two shorter (3.84 Å) and two longer (3.88 Å) Eu–Ce bond lengths. Ce is bonded to twelve equivalent Eu atoms to form CeEu12 cuboctahedra that share corners with six equivalent CeEu12 cuboctahedra, corners with twelve equivalent EuCe4Eu8 cuboctahedra, edges with eighteen equivalent EuCe4Eu8 cuboctahedra, faces with eight equivalent CeEu12 cuboctahedra, and faces with twelve equivalent EuCe4Eu8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu3Mg by Materials Project

MgEu3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Mg is bonded to twelve equivalent Eu atoms to form MgEu12 cuboctahedra that share corners with twelve equivalent MgEu12 cuboctahedra, edges with twenty-four equivalent EuEu8Mg4 cuboctahedra, faces with six equivalent MgEu12 cuboctahedra, and faces with twelve equivalent EuEu8Mg4 cuboctahedra. All Mg–Eu bond lengths are 3.73 Å. Eu is bonded to four equivalent Mg and eight equivalent Eu atoms to form EuEu8Mg4 cuboctahedra that share corners with twelve equivalent EuEu8Mg4 cuboctahedra, edges with eight equivalent MgEu12 cuboctahedra, edges with sixteen equivalent EuEu8Mg4 cuboctahedra, faces with four equivalent MgEu12 cuboctahedra, and faces with fourteen equivalent EuEu8Mg4 cuboctahedra. All Eu–Eu bond lengths are 3.73 Å.

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Materials Data on EuZnIn3 by Materials Project

EuZnIn3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to four equivalent Zn and twelve In atoms. All Eu–Zn bond lengths are 3.59 Å. There are a spread of Eu–In bond distances ranging from 3.56–3.90 Å. Zn is bonded in a 9-coordinate geometry to four equivalent Eu and five In atoms. There are one shorter (2.59 Å) and four longer (2.78 Å) Zn–In bond lengths. There are two inequivalent In sites. In the first In site, In is bonded in a 2-coordinate geometry to four equivalent Eu, two equivalent Zn, and two equivalent In atoms. Both In–In bond lengths are 3.00 Å. In the second In site, In is bonded in a distorted single-bond geometry to four equivalent Eu, one Zn, and four equivalent In atoms.

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Materials Data on Sr2EuBeO5 by Materials Project

Sr2BeEuO5 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Sr is bonded in a 9-coordinate geometry to eight O atoms. There are a spread of Sr–O bond distances ranging from 2.56–2.78 Å. Be is bonded in a tetrahedral geometry to four O atoms. There is three shorter (1.66 Å) and one longer (1.70 Å) Be–O bond length. Eu is bonded in a 7-coordinate geometry to eight O atoms. There are a spread of Eu–O bond distances ranging from 2.30–3.14 Å. There are four inequivalent O sites. In the first O site, O is bonded in a 1-coordinate geometry to four equivalent Sr, one Be, and one Eu atom. In the second O site, O is bonded in a distorted single-bond geometry to two equivalent Sr, one Be, and two equivalent Eu atoms. In the third O site, O is bonded in a 5-coordinate geometry to four equivalent Sr and two equivalent Eu atoms. In the fourth O site, O is bonded in a distorted single-bond geometry to four equivalent Sr, one Be, and one Eu atom.

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Materials Data on EuNi9Ge4 by Materials Project

EuNi9Ge4 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Eu is bonded in a 8-coordinate geometry to sixteen Ni and eight equivalent Ge atoms. There are eight shorter (3.26 Å) and eight longer (3.43 Å) Eu–Ni bond lengths. All Eu–Ge bond lengths are 3.32 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded to two equivalent Eu, six Ni, and four equivalent Ge atoms to form a mixture of distorted corner and face-sharing NiEu2Ni6Ge4 cuboctahedra. There are a spread of Ni–Ni bond distances ranging from 2.42–2.60 Å. There are two shorter (2.54 Å) and two longer (2.61 Å) Ni–Ge bond lengths. In the second Ni site, Ni is bonded in a 4-coordinate geometry to two equivalent Eu, three Ni, and four equivalent Ge atoms. The Ni–Ni bond length is 2.57 Å. There are two shorter (2.39 Å) and two longer (2.51 Å) Ni–Ge bond lengths. In the third Ni site, Ni is bonded to eight Ni and four equivalent Ge atoms to form a mixture of corner and face-sharing NiNi8Ge4 cuboctahedra. All Ni–Ge bond lengths are 2.45 Å. Ge is bonded in a 12-coordinate geometry to two equivalent Eu and nine Ni atoms.

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DOE OSTI2020

Materials Data on Eu5B3ClO9 by Materials Project

Eu5B3O9Cl crystallizes in the orthorhombic C222_1 space group. The structure is three-dimensional. there are four inequivalent Eu2+ sites. In the first Eu2+ site, Eu2+ is bonded in a 9-coordinate geometry to seven O2- and two equivalent Cl1- atoms. There are a spread of Eu–O bond distances ranging from 2.54–2.89 Å. Both Eu–Cl bond lengths are 3.13 Å. In the second Eu2+ site, Eu2+ is bonded in a 6-coordinate geometry to six O2- and two equivalent Cl1- atoms. There are a spread of Eu–O bond distances ranging from 2.41–3.01 Å. There are one shorter (2.89 Å) and one longer (3.22 Å) Eu–Cl bond lengths. In the third Eu2+ site, Eu2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Eu–O bond distances ranging from 2.49–2.84 Å. In the fourth Eu2+ site, Eu2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Eu–O bond distances ranging from 2.59–2.87 Å. There are two inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of B–O bond distances ranging from 1.38–1.40 Å. In the second B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.38 Å) and one longer (1.40 Å) B–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to five Eu2+ and one B3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to four Eu2+ and one B3+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to three Eu2+ and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to five Eu2+, one B3+, and one Cl1- atom. The O–Cl bond length is 3.21 Å. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three Eu2+, one B3+, and two equivalent Cl1- atoms. There are one shorter (3.25 Å) and one longer (3.28 Å) O–Cl bond lengths. Cl1- is bonded in a 2-coordinate geometry to six Eu2+ and six O2- atoms.

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Materials Data on CsEu by Materials Project

CsEu crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Cs is bonded to six equivalent Cs and six equivalent Eu atoms to form CsCs6Eu6 cuboctahedra that share corners with eighteen equivalent CsCs6Eu6 cuboctahedra, edges with six equivalent CsCs6Eu6 cuboctahedra, edges with twelve equivalent EuCs6Eu6 cuboctahedra, faces with eight equivalent CsCs6Eu6 cuboctahedra, and faces with twelve equivalent EuCs6Eu6 cuboctahedra. All Cs–Cs bond lengths are 4.46 Å. All Cs–Eu bond lengths are 4.76 Å. Eu is bonded to six equivalent Cs and six equivalent Eu atoms to form EuCs6Eu6 cuboctahedra that share corners with eighteen equivalent EuCs6Eu6 cuboctahedra, edges with six equivalent EuCs6Eu6 cuboctahedra, edges with twelve equivalent CsCs6Eu6 cuboctahedra, faces with eight equivalent EuCs6Eu6 cuboctahedra, and faces with twelve equivalent CsCs6Eu6 cuboctahedra. All Eu–Eu bond lengths are 4.46 Å.

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Materials Data on EuIn6Ni7 by Materials Project

EuNi7In6 is Bergman Structure: Mg32(Al,Zn)49 Bergman-like structured and crystallizes in the orthorhombic Ibam space group. The structure is three-dimensional. Eu is bonded in a 12-coordinate geometry to four equivalent Ni and twelve In atoms. All Eu–Ni bond lengths are 3.34 Å. There are eight shorter (3.47 Å) and four longer (3.51 Å) Eu–In bond lengths. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded in a 11-coordinate geometry to one Eu, five Ni, and five In atoms. There are a spread of Ni–Ni bond distances ranging from 2.51–2.78 Å. There are a spread of Ni–In bond distances ranging from 2.61–2.75 Å. In the second Ni site, Ni is bonded in a cuboctahedral geometry to six Ni and six In atoms. Both Ni–Ni bond lengths are 2.49 Å. There are two shorter (2.67 Å) and four longer (2.87 Å) Ni–In bond lengths. In the third Ni site, Ni is bonded in a 10-coordinate geometry to three Ni and seven In atoms. There are a spread of Ni–In bond distances ranging from 2.71–2.86 Å. There are two inequivalent In sites. In the first In site, In is bonded in a 8-coordinate geometry to two equivalent Eu, six Ni, and five In atoms. There are a spread of In–In bond distances ranging from 2.97–3.05 Å. In the second In site, In is bonded in a 6-coordinate geometry to two equivalent Eu, seven Ni, and two equivalent In atoms.

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DOE OSTI2020

Materials Data on BaEu3 by Materials Project

BaEu3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Ba is bonded to twelve equivalent Eu atoms to form BaEu12 cuboctahedra that share corners with twelve equivalent BaEu12 cuboctahedra, edges with twenty-four equivalent EuBa4Eu8 cuboctahedra, faces with six equivalent BaEu12 cuboctahedra, and faces with twelve equivalent EuBa4Eu8 cuboctahedra. All Ba–Eu bond lengths are 4.19 Å. Eu is bonded to four equivalent Ba and eight equivalent Eu atoms to form EuBa4Eu8 cuboctahedra that share corners with twelve equivalent EuBa4Eu8 cuboctahedra, edges with eight equivalent BaEu12 cuboctahedra, edges with sixteen equivalent EuBa4Eu8 cuboctahedra, faces with four equivalent BaEu12 cuboctahedra, and faces with fourteen equivalent EuBa4Eu8 cuboctahedra. All Eu–Eu bond lengths are 4.19 Å.

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Materials Data on Ca2Eu2In3Ge4 by Materials Project

Ca2Eu2In3Ge4 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ca is bonded in a 11-coordinate geometry to five In and six Ge atoms. There are a spread of Ca–In bond distances ranging from 3.45–3.54 Å. There are a spread of Ca–Ge bond distances ranging from 3.17–3.37 Å. Eu is bonded in a 5-coordinate geometry to two equivalent In and five Ge atoms. Both Eu–In bond lengths are 3.56 Å. There are a spread of Eu–Ge bond distances ranging from 3.17–3.24 Å. There are two inequivalent In sites. In the first In site, In is bonded to four equivalent Ca, four equivalent Eu, and four Ge atoms to form face-sharing InCa4Eu4Ge4 cuboctahedra. There are two shorter (2.93 Å) and two longer (3.13 Å) In–Ge bond lengths. In the second In site, In is bonded in a 4-coordinate geometry to three equivalent Ca and four Ge atoms. There are a spread of In–Ge bond distances ranging from 2.75–2.88 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 9-coordinate geometry to four equivalent Ca, two equivalent Eu, two In, and one Ge atom. The Ge–Ge bond length is 2.51 Å. In the second Ge site, Ge is bonded in a 9-coordinate geometry to two equivalent Ca, three equivalent Eu, and four In atoms.

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