cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17188/1655139
title: Materials Data on EuHo3 by Materials Project

description: Ho3Eu is alpha La-derived structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ho sites. In the first Ho site, Ho is bonded to eight Ho and four equivalent Eu atoms to form HoEu4Ho8 cuboctahedra that share corners with twelve equivalent HoEu4Ho8 cuboctahedra, edges with eight equivalent EuHo12 cuboctahedra, edges with sixteen HoEu4Ho8 cuboctahedra, faces with four equivalent EuHo12 cuboctahedra, and faces with fourteen HoEu4Ho8 cuboctahedra. All Ho–Ho bond lengths are 3.45 Å. All Ho–Eu bond lengths are 3.45 Å. In the second Ho site, Ho is bonded to eight equivalent Ho and four equivalent Eu atoms to form HoEu4Ho8 cuboctahedra that share corners with four equivalent HoEu4Ho8 cuboctahedra, corners with eight equivalent EuHo12 cuboctahedra, edges with twenty-four HoEu4Ho8 cuboctahedra, faces with six equivalent EuHo12 cuboctahedra, and faces with twelve HoEu4Ho8 cuboctahedra. All Ho–Eu bond lengths are 3.45 Å. Eu is bonded to twelve Ho atoms to form EuHo12 cuboctahedra that share corners with four equivalent EuHo12 cuboctahedra, corners with eight equivalent HoEu4Ho8 cuboctahedra, edges with eight equivalent EuHo12 cuboctahedra, edges with sixteen equivalent HoEu4Ho8 cuboctahedra, faces with four equivalent EuHo12 cuboctahedra, and faces with fourteen HoEu4Ho8 cuboctahedra.
DOI: 10.17188/1655140
title: Materials Data on Ba2V2O5 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655141
title: Materials Data on K2Tc by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655142
title: Materials Data on ScSb3Pb4O13 by Materials Project

description: ScPb4Sb3O13 crystallizes in the trigonal R3m space group. The structure is three-dimensional. Sc3+ is bonded to six O2- atoms to form ScO6 octahedra that share corners with six equivalent SbO6 octahedra and edges with six equivalent PbO7 hexagonal pyramids. The corner-sharing octahedral tilt angles are 45°. There are three shorter (2.11 Å) and three longer (2.14 Å) Sc–O bond lengths. There are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded to seven O2- atoms to form distorted PbO7 hexagonal pyramids that share corners with three equivalent PbO7 hexagonal pyramids, edges with three equivalent PbO7 hexagonal pyramids, and edges with six equivalent SbO6 octahedra. There are a spread of Pb–O bond distances ranging from 2.31–2.68 Å. In the second Pb2+ site, Pb2+ is bonded to seven O2- atoms to form distorted PbO7 hexagonal pyramids that share corners with three PbO7 hexagonal pyramids, edges with three PbO7 hexagonal pyramids, edges with two equivalent ScO6 octahedra, and edges with four equivalent SbO6 octahedra. There are a spread of Pb–O bond distances ranging from 2.34–2.72 Å. Sb5+ is bonded to six O2- atoms to form SbO6 octahedra that share corners with two equivalent ScO6 octahedra, corners with four equivalent SbO6 octahedra, and edges with six PbO7 hexagonal pyramids. The corner-sharing octahedra tilt angles range from 43–45°. There are a spread of Sb–O bond distances ranging from 1.97–2.05 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a tetrahedral geometry to four Pb2+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to one Sc3+, two equivalent Pb2+, and one Sb5+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two Pb2+ and two equivalent Sb5+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Sc3+, two equivalent Pb2+, and one Sb5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to two Pb2+ and two equivalent Sb5+ atoms.
DOI: 10.17188/1655143
title: Materials Data on Mo3PdPtN by Materials Project

description: PdPtMo3N crystallizes in the cubic P2_13 space group. The structure is three-dimensional. Mo is bonded in a bent 150 degrees geometry to three equivalent Pt, three equivalent Pd, and two equivalent N atoms. There are one shorter (2.78 Å) and two longer (2.91 Å) Mo–Pt bond lengths. There are a spread of Mo–Pd bond distances ranging from 2.77–2.92 Å. There are one shorter (2.15 Å) and one longer (2.18 Å) Mo–N bond lengths. Pt is bonded to nine equivalent Mo and three equivalent Pd atoms to form distorted PtMo9Pd3 cuboctahedra that share corners with six equivalent PtMo9Pd3 cuboctahedra, corners with nine equivalent PdMo9Pt3 cuboctahedra, edges with three equivalent NMo6 octahedra, faces with four equivalent PdMo9Pt3 cuboctahedra, faces with six equivalent PtMo9Pd3 cuboctahedra, and faces with four equivalent NMo6 octahedra. All Pt–Pd bond lengths are 2.60 Å. Pd is bonded to nine equivalent Mo and three equivalent Pt atoms to form distorted PdMo9Pt3 cuboctahedra that share corners with six equivalent PdMo9Pt3 cuboctahedra, corners with nine equivalent PtMo9Pd3 cuboctahedra, edges with three equivalent NMo6 octahedra, faces with four equivalent PtMo9Pd3 cuboctahedra, faces with six equivalent PdMo9Pt3 cuboctahedra, and faces with four equivalent NMo6 octahedra. N is bonded to six equivalent Mo atoms to form distorted NMo6 octahedra that share corners with six equivalent NMo6 octahedra, edges with three equivalent PtMo9Pd3 cuboctahedra, edges with three equivalent PdMo9Pt3 cuboctahedra, faces with four equivalent PtMo9Pd3 cuboctahedra, and faces with four equivalent PdMo9Pt3 cuboctahedra. The corner-sharing octahedral tilt angles are 26°.
DOI: 10.17188/1655144
title: Materials Data on K2NaFeO3 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655145
title: Materials Data on Na3CoSiBO7 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655146
title: Materials Data on NaCuN by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655147
title: Materials Data on Gd3Ga by Materials Project

description: Gd3Ga is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Gd is bonded to eight equivalent Gd and four equivalent Ga atoms to form distorted GdGd8Ga4 cuboctahedra that share corners with twelve equivalent GdGd8Ga4 cuboctahedra, edges with eight equivalent GaGd12 cuboctahedra, edges with sixteen equivalent GdGd8Ga4 cuboctahedra, faces with four equivalent GaGd12 cuboctahedra, and faces with fourteen equivalent GdGd8Ga4 cuboctahedra. All Gd–Gd bond lengths are 3.37 Å. All Gd–Ga bond lengths are 3.37 Å. Ga is bonded to twelve equivalent Gd atoms to form GaGd12 cuboctahedra that share corners with twelve equivalent GaGd12 cuboctahedra, edges with twenty-four equivalent GdGd8Ga4 cuboctahedra, faces with six equivalent GaGd12 cuboctahedra, and faces with twelve equivalent GdGd8Ga4 cuboctahedra.
DOI: 10.17188/1655148
title: Materials Data on NaPb2C2O7 by Materials Project

description: NaPb2C2O7 crystallizes in the monoclinic Cc space group. The structure is two-dimensional and consists of two NaPb2C2O7 sheets oriented in the (0, 0, 1) direction. Na1+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Na–O bond distances ranging from 2.56–3.05 Å. There are two inequivalent Pb3+ sites. In the first Pb3+ site, Pb3+ is bonded to seven O2- atoms to form distorted corner-sharing PbO7 hexagonal pyramids. There are a spread of Pb–O bond distances ranging from 2.10–2.67 Å. In the second Pb3+ site, Pb3+ is bonded to seven O2- atoms to form distorted corner-sharing PbO7 hexagonal pyramids. There are a spread of Pb–O bond distances ranging from 2.10–2.66 Å. There are two inequivalent C+3.50+ sites. In the first C+3.50+ site, C+3.50+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. In the second C+3.50+ site, C+3.50+ is bonded in a trigonal planar geometry to three O2- atoms. All C–O bond lengths are 1.30 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to three equivalent Na1+ and two Pb3+ atoms. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, two equivalent Pb3+, and one C+3.50+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, two equivalent Pb3+, and one C+3.50+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, two equivalent Pb3+, and one C+3.50+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, two equivalent Pb3+, and one C+3.50+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, two equivalent Pb3+, and one C+3.50+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+, two equivalent Pb3+, and one C+3.50+ atom.
DOI: 10.17188/1655149
title: Materials Data on Na2Gd4NCl9O by Materials Project

description: Na2Gd4NOCl9 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six Cl1- atoms to form a mixture of distorted edge and corner-sharing NaCl6 pentagonal pyramids. There are a spread of Na–Cl bond distances ranging from 2.83–2.99 Å. In the second Na1+ site, Na1+ is bonded to six Cl1- atoms to form a mixture of distorted edge and corner-sharing NaCl6 pentagonal pyramids. There are a spread of Na–Cl bond distances ranging from 2.82–3.01 Å. There are four inequivalent Gd3+ sites. In the first Gd3+ site, Gd3+ is bonded in a 2-coordinate geometry to one N3-, one O2-, and five Cl1- atoms. The Gd–N bond length is 2.27 Å. The Gd–O bond length is 2.24 Å. There are a spread of Gd–Cl bond distances ranging from 2.85–3.27 Å. In the second Gd3+ site, Gd3+ is bonded in a 2-coordinate geometry to one N3-, one O2-, and five Cl1- atoms. The Gd–N bond length is 2.20 Å. The Gd–O bond length is 2.33 Å. There are a spread of Gd–Cl bond distances ranging from 2.81–3.27 Å. In the third Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to one N3-, one O2-, and six Cl1- atoms. The Gd–N bond length is 2.25 Å. The Gd–O bond length is 2.30 Å. There are a spread of Gd–Cl bond distances ranging from 2.75–3.14 Å. In the fourth Gd3+ site, Gd3+ is bonded in a 8-coordinate geometry to one N3-, one O2-, and six Cl1- atoms. The Gd–N bond length is 2.26 Å. The Gd–O bond length is 2.32 Å. There are a spread of Gd–Cl bond distances ranging from 2.79–3.05 Å. N3- is bonded to four Gd3+ atoms to form NGd4 tetrahedra that share edges with two equivalent OGd4 tetrahedra. O2- is bonded to four Gd3+ atoms to form distorted OGd4 tetrahedra that share edges with two equivalent NGd4 tetrahedra. There are nine inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a distorted see-saw-like geometry to two Na1+ and two Gd3+ atoms. In the second Cl1- site, Cl1- is bonded in a distorted see-saw-like geometry to two Na1+ and two Gd3+ atoms. In the third Cl1- site, Cl1- is bonded in a 3-coordinate geometry to three Gd3+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to one Na1+ and three Gd3+ atoms. In the fifth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to one Na1+ and three Gd3+ atoms. In the sixth Cl1- site, Cl1- is bonded in a 3-coordinate geometry to three Gd3+ atoms. In the seventh Cl1- site, Cl1- is bonded in a rectangular see-saw-like geometry to two Na1+ and two Gd3+ atoms. In the eighth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two Na1+ and two Gd3+ atoms. In the ninth Cl1- site, Cl1- is bonded in a 2-coordinate geometry to two Na1+ and two Gd3+ atoms.
DOI: 10.17188/1655150
title: Materials Data on SbPt3 by Materials Project

description: Pt3Sb crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Pt+0.67+ is bonded in a see-saw-like geometry to four equivalent Sb2- atoms. There are two shorter (2.84 Å) and two longer (2.97 Å) Pt–Sb bond lengths. Sb2- is bonded to twelve equivalent Pt+0.67+ atoms to form a mixture of corner and face-sharing SbPt12 cuboctahedra.
DOI: 10.17188/1655151
title: Materials Data on Na9Fe2O7 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655152
title: Materials Data on Na2Y3Te4(ClO4)3 by Materials Project

description: Na2Y3Te4(O4Cl)3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Na1+ is bonded in a 2-coordinate geometry to three O2- and four Cl1- atoms. There are a spread of Na–O bond distances ranging from 2.30–2.77 Å. There are a spread of Na–Cl bond distances ranging from 3.03–3.30 Å. There are two inequivalent Y3+ sites. In the first Y3+ site, Y3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.32–2.51 Å. In the second Y3+ site, Y3+ is bonded in a distorted body-centered cubic geometry to eight O2- atoms. There are a spread of Y–O bond distances ranging from 2.32–2.49 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and two Cl1- atoms. There is two shorter (1.91 Å) and one longer (1.92 Å) Te–O bond length. There are one shorter (3.22 Å) and one longer (3.25 Å) Te–Cl bond lengths. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and two equivalent Cl1- atoms. There are a spread of Te–O bond distances ranging from 1.90–1.92 Å. There are one shorter (3.18 Å) and one longer (3.29 Å) Te–Cl bond lengths. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Y3+ and one Te4+ atom. In the second O2- site, O2- is bonded to one Na1+, two equivalent Y3+, and one Te4+ atom to form a mixture of distorted edge and corner-sharing ONaY2Te tetrahedra. In the third O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+, two Y3+, and one Te4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Y3+ and one Te4+ atom. In the fifth O2- site, O2- is bonded to one Na1+, two Y3+, and one Te4+ atom to form distorted corner-sharing ONaY2Te tetrahedra. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Y3+ and one Te4+ atom. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 4-coordinate geometry to two equivalent Na1+ and two equivalent Te4+ atoms. In the second Cl1- site, Cl1- is bonded in a 6-coordinate geometry to three equivalent Na1+ and three Te4+ atoms.
DOI: 10.17188/1655153
title: Materials Data on V3O5 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655155
title: Materials Data on EuWO2 by Materials Project

description: EuWO2 crystallizes in the tetragonal I4_1/amd space group. The structure is three-dimensional. Eu2+ is bonded to six equivalent O2- atoms to form edge-sharing EuO6 octahedra. There are two shorter (2.52 Å) and four longer (2.54 Å) Eu–O bond lengths. W2+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All W–O bond lengths are 2.22 Å. O2- is bonded to three equivalent Eu2+ and two equivalent W2+ atoms to form a mixture of distorted edge and corner-sharing OEu3W2 trigonal bipyramids.
DOI: 10.17188/1655156
title: Materials Data on In(FeN)2 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655157
title: Materials Data on Ge2N2O by Materials Project

description: Ge2N2O crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to three N3- and one O2- atom to form GeN3O tetrahedra that share corners with seven equivalent GeN4O2 octahedra and corners with two equivalent GeN3O tetrahedra. The corner-sharing octahedra tilt angles range from 55–63°. There is two shorter (1.82 Å) and one longer (1.89 Å) Ge–N bond length. The Ge–O bond length is 1.85 Å. In the second Ge4+ site, Ge4+ is bonded to four N3- and two equivalent O2- atoms to form GeN4O2 octahedra that share corners with seven equivalent GeN3O tetrahedra and edges with four equivalent GeN4O2 octahedra. There are a spread of Ge–N bond distances ranging from 1.90–2.02 Å. Both Ge–O bond lengths are 2.04 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a trigonal planar geometry to three Ge4+ atoms. In the second N3- site, N3- is bonded to four Ge4+ atoms to form a mixture of distorted corner and edge-sharing NGe4 tetrahedra. O2- is bonded in a distorted trigonal planar geometry to three Ge4+ atoms.
DOI: 10.17188/1655158
title: Materials Data on NaMnN by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655159
title: Materials Data on Be3Si3(SbO6)2 by Materials Project

description: Computed materials data using density functional theory calculations. These calculations determine the electronic structure of bulk materials by solving approximations to the Schrodinger equation. For more information, see https://materialsproject.org/docs/calculations
DOI: 10.17188/1655161
title: Materials Data on H56C19S3N8O15 by Materials Project

description: (C8NH20)2CO(NH2)2CN2H5SO5CN2H7S2O9 crystallizes in the triclinic P-1 space group. The structure is zero-dimensional and consists of four tetraethylammonium molecules, two urea molecules, two urea sulfate molecules, and two CN2H7S2O9 clusters. In each CN2H7S2O9 cluster, C is bonded in a trigonal planar geometry to two N and one O atom. There is one shorter (1.32 Å) and one longer (1.33 Å) C–N bond length. The C–O bond length is 1.32 Å. There are two inequivalent N sites. In the first N site, N is bonded in a trigonal planar geometry to one C and two H atoms. Both N–H bond lengths are 1.02 Å. In the second N site, N is bonded in a trigonal planar geometry to one C and two H atoms. There is one shorter (1.02 Å) and one longer (1.04 Å) N–H bond length. There are seven inequivalent H sites. In the first H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.03 Å) and one longer (1.58 Å) H–O bond length. In the second H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.03 Å) and one longer (1.56 Å) H–O bond length. In the third H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.98 Å. In the fourth H site, H is bonded in a single-bond geometry to one N atom. In the fifth H site, H is bonded in a single-bond geometry to one N atom. In the sixth H site, H is bonded in a single-bond geometry to one N atom. In the seventh H site, H is bonded in a single-bond geometry to one N atom. There are two inequivalent S sites. In the first S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.46–1.61 Å. In the second S site, S is bonded in a tetrahedral geometry to four O atoms. There are a spread of S–O bond distances ranging from 1.44–1.74 Å. There are nine inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to one H and one S atom. In the second O site, O is bonded in a single-bond geometry to one S atom. In the third O site, O is bonded in a distorted water-like geometry to one H and one S atom. In the fourth O site, O is bonded in a single-bond geometry to one S atom. In the fifth O site, O is bonded in a single-bond geometry to one S atom. In the sixth O site, O is bonded in a single-bond geometry to one S atom. In the seventh O site, O is bonded in a distorted trigonal non-coplanar geometry to two H and one S atom. In the eighth O site, O is bonded in a single-bond geometry to one S atom. In the ninth O site, O is bonded in a bent 120 degrees geometry to one C and one H atom.
DOI: 10.17188/1655162
title: Materials Data on Cd4AsPI3 by Materials Project

description: Cd4AsPI3 crystallizes in the cubic Pa-3 space group. The structure is three-dimensional. there are two inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded in a distorted rectangular see-saw-like geometry to one As3- and three equivalent I1- atoms. The Cd–As bond length is 2.61 Å. All Cd–I bond lengths are 2.95 Å. In the second Cd2+ site, Cd2+ is bonded in a 5-coordinate geometry to one As3-, one P2-, and three equivalent I1- atoms. The Cd–As bond length is 2.63 Å. The Cd–P bond length is 2.57 Å. There are a spread of Cd–I bond distances ranging from 3.08–3.62 Å. As3- is bonded to four Cd2+ atoms to form AsCd4 trigonal pyramids that share corners with three equivalent PCd3P tetrahedra. P2- is bonded to three equivalent Cd2+ and one P2- atom to form PCd3P tetrahedra that share corners with three equivalent AsCd4 trigonal pyramids. The P–P bond length is 2.20 Å. I1- is bonded in a 4-coordinate geometry to four Cd2+ atoms.
DOI: 10.17188/1655163
title: Materials Data on Eu3Nb by Materials Project

description: Eu3Nb is alpha bismuth trifluoride structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded in a 12-coordinate geometry to four equivalent Eu and four equivalent Nb atoms. All Eu–Eu bond lengths are 3.49 Å. All Eu–Nb bond lengths are 3.49 Å. In the second Eu site, Eu is bonded to eight equivalent Eu and four equivalent Nb atoms to form EuEu8Nb4 cuboctahedra that share corners with four equivalent EuEu8Nb4 cuboctahedra, corners with eight equivalent NbEu12 cuboctahedra, edges with eight equivalent EuEu8Nb4 cuboctahedra, faces with four equivalent EuEu8Nb4 cuboctahedra, and faces with six equivalent NbEu12 cuboctahedra. All Eu–Nb bond lengths are 3.72 Å. Nb is bonded to twelve Eu atoms to form NbEu12 cuboctahedra that share corners with four equivalent NbEu12 cuboctahedra, corners with eight equivalent EuEu8Nb4 cuboctahedra, edges with eight equivalent NbEu12 cuboctahedra, faces with four equivalent NbEu12 cuboctahedra, and faces with six equivalent EuEu8Nb4 cuboctahedra.