cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17188/1281554
title: Materials Data on Nd2Cu2O5 by Materials Project

description: Nd2Cu2O5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Nd3+ sites. In the first Nd3+ site, Nd3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Nd–O bond distances ranging from 2.36–2.79 Å. In the second Nd3+ site, Nd3+ is bonded in a 7-coordinate geometry to eight O2- atoms. There are a spread of Nd–O bond distances ranging from 2.32–2.96 Å. In the third Nd3+ site, Nd3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Nd–O bond distances ranging from 2.37–2.68 Å. There are three inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded to six O2- atoms to form corner-sharing CuO6 octahedra. The corner-sharing octahedra tilt angles range from 0–1°. There are a spread of Cu–O bond distances ranging from 1.85–2.42 Å. In the second Cu2+ site, Cu2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cu–O bond distances ranging from 1.93–2.43 Å. In the third Cu2+ site, Cu2+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.96–2.03 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded to four Nd3+ and two equivalent Cu2+ atoms to form distorted ONd4Cu2 octahedra that share corners with six ONd4Cu2 octahedra, corners with two equivalent ONd2Cu3 trigonal bipyramids, an edgeedge with one ONd4Cu2 octahedra, and faces with four ONd4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 1–51°. In the second O2- site, O2- is bonded in a 5-coordinate geometry to five Nd3+ and one Cu2+ atom. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Nd3+ and four Cu2+ atoms. In the fourth O2- site, O2- is bonded to four equivalent Nd3+ and two equivalent Cu2+ atoms to form distorted ONd4Cu2 octahedra that share corners with eight equivalent ONd5Cu octahedra, edges with two equivalent ONd4Cu2 octahedra, and faces with six ONd4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 44–50°. In the fifth O2- site, O2- is bonded in a 6-coordinate geometry to four Nd3+ and two Cu2+ atoms. In the sixth O2- site, O2- is bonded to two equivalent Nd3+ and three Cu2+ atoms to form distorted ONd2Cu3 trigonal bipyramids that share corners with two equivalent ONd4Cu2 octahedra, corners with two equivalent ONd2Cu3 trigonal bipyramids, and an edgeedge with one ONd2Cu3 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 51–54°. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Nd3+ and one Cu2+ atom. In the eighth O2- site, O2- is bonded to five Nd3+ and one Cu2+ atom to form distorted ONd5Cu octahedra that share corners with eight ONd4Cu2 octahedra, edges with four equivalent ONd5Cu octahedra, and faces with three ONd4Cu2 octahedra. The corner-sharing octahedra tilt angles range from 44–51°.
DOI: 10.17188/1281555
title: Materials Data on PrGa2 by Materials Project

description: PrGa2 is hexagonal omega structure structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Pr is bonded to twelve equivalent Ga atoms to form a mixture of edge and face-sharing PrGa12 cuboctahedra. All Pr–Ga bond lengths are 3.30 Å. Ga is bonded in a 9-coordinate geometry to six equivalent Pr and three equivalent Ga atoms. All Ga–Ga bond lengths are 2.48 Å.
DOI: 10.17188/1281556
title: Materials Data on RbCa2Ta3O10 by Materials Project

description: RbCa2Ta3O10 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Rb1+ is bonded in a body-centered cubic geometry to eight equivalent O2- atoms. All Rb–O bond lengths are 3.20 Å. Ca2+ is bonded in a 12-coordinate geometry to twelve O2- atoms. There are a spread of Ca–O bond distances ranging from 2.52–3.03 Å. There are two inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded to six O2- atoms to form corner-sharing TaO6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Ta–O bond lengths are 1.97 Å. In the second Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.80–2.32 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to four equivalent Rb1+ and one Ta5+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ca2+ and two equivalent Ta5+ atoms. In the third O2- site, O2- is bonded in a linear geometry to four equivalent Ca2+ and two equivalent Ta5+ atoms. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to four equivalent Ca2+ and two Ta5+ atoms.
DOI: 10.17188/1281557
title: Materials Data on NaCdPO4 by Materials Project

description: NaCdPO4 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. Na1+ is bonded to six O2- atoms to form NaO6 octahedra that share corners with four equivalent CdO6 pentagonal pyramids, corners with two equivalent PO4 tetrahedra, edges with two equivalent NaO6 octahedra, edges with two equivalent CdO6 pentagonal pyramids, and edges with two equivalent PO4 tetrahedra. There are a spread of Na–O bond distances ranging from 2.37–2.49 Å. Cd2+ is bonded to six O2- atoms to form CdO6 pentagonal pyramids that share corners with four equivalent NaO6 octahedra, corners with four equivalent CdO6 pentagonal pyramids, corners with four equivalent PO4 tetrahedra, edges with two equivalent NaO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 65–75°. There are a spread of Cd–O bond distances ranging from 2.26–2.43 Å. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent NaO6 octahedra, corners with four equivalent CdO6 pentagonal pyramids, edges with two equivalent NaO6 octahedra, and an edgeedge with one CdO6 pentagonal pyramid. The corner-sharing octahedral tilt angles are 57°. There are a spread of P–O bond distances ranging from 1.55–1.57 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, two equivalent Cd2+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+, one Cd2+, and one P5+ atom. In the third O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Na1+, two equivalent Cd2+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two equivalent Na1+, one Cd2+, and one P5+ atom.
DOI: 10.17188/1281558
title: Materials Data on Cr4FeCuS8 by Materials Project

description: Cr4FeCuS8 is Spinel-derived structured and crystallizes in the cubic F-43m space group. The structure is three-dimensional. Cr3+ is bonded to six S2- atoms to form CrS6 octahedra that share corners with three equivalent FeS4 tetrahedra, corners with three equivalent CuS4 tetrahedra, and edges with six equivalent CrS6 octahedra. There are three shorter (2.38 Å) and three longer (2.43 Å) Cr–S bond lengths. Fe3+ is bonded to four equivalent S2- atoms to form FeS4 tetrahedra that share corners with twelve equivalent CrS6 octahedra. The corner-sharing octahedral tilt angles are 58°. All Fe–S bond lengths are 2.28 Å. Cu1+ is bonded to four equivalent S2- atoms to form CuS4 tetrahedra that share corners with twelve equivalent CrS6 octahedra. The corner-sharing octahedral tilt angles are 57°. All Cu–S bond lengths are 2.28 Å. There are two inequivalent S2- sites. In the first S2- site, S2- is bonded to three equivalent Cr3+ and one Fe3+ atom to form a mixture of distorted edge and corner-sharing SCr3Fe trigonal pyramids. In the second S2- site, S2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Cr3+ and one Cu1+ atom.
DOI: 10.17188/1281559
title: Materials Data on K2NaInF6 by Materials Project

description: K2NaInF6 is (Cubic) Perovskite-derived structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. K1+ is bonded to twelve equivalent F1- atoms to form KF12 cuboctahedra that share corners with twelve equivalent KF12 cuboctahedra, faces with six equivalent KF12 cuboctahedra, faces with four equivalent NaF6 octahedra, and faces with four equivalent InF6 octahedra. All K–F bond lengths are 3.09 Å. Na1+ is bonded to six equivalent F1- atoms to form NaF6 octahedra that share corners with six equivalent InF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Na–F bond lengths are 2.27 Å. In3+ is bonded to six equivalent F1- atoms to form InF6 octahedra that share corners with six equivalent NaF6 octahedra and faces with eight equivalent KF12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All In–F bond lengths are 2.10 Å. F1- is bonded in a distorted linear geometry to four equivalent K1+, one Na1+, and one In3+ atom.
DOI: 10.17188/1281560
title: Materials Data on ThAl2 by Materials Project

description: ThAl2 is hexagonal omega structure structured and crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Th is bonded to twelve equivalent Al atoms to form a mixture of edge and face-sharing ThAl12 cuboctahedra. All Th–Al bond lengths are 3.29 Å. Al is bonded in a 9-coordinate geometry to six equivalent Th and three equivalent Al atoms. All Al–Al bond lengths are 2.55 Å.
DOI: 10.17188/1281561
title: Materials Data on Ba2Dy(CuO2)4 by Materials Project

description: DyBa2Cu4O8 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Ba2+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Ba–O bond distances ranging from 2.76–3.01 Å. Dy3+ is bonded in a body-centered cubic geometry to eight O2- atoms. There are four shorter (2.41 Å) and four longer (2.42 Å) Dy–O bond lengths. There are two inequivalent Cu+2.25+ sites. In the first Cu+2.25+ site, Cu+2.25+ is bonded to five O2- atoms to form corner-sharing CuO5 square pyramids. There are a spread of Cu–O bond distances ranging from 1.96–2.31 Å. In the second Cu+2.25+ site, Cu+2.25+ is bonded in a square co-planar geometry to four O2- atoms. There are a spread of Cu–O bond distances ranging from 1.85–1.96 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to two equivalent Ba2+ and three equivalent Cu+2.25+ atoms. In the second O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Dy3+, and two equivalent Cu+2.25+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Ba2+, two equivalent Dy3+, and two equivalent Cu+2.25+ atoms. In the fourth O2- site, O2- is bonded to four equivalent Ba2+ and two Cu+2.25+ atoms to form a mixture of distorted edge and corner-sharing OBa4Cu2 octahedra. The corner-sharing octahedral tilt angles are 11°.
DOI: 10.17188/1281562
title: Materials Data on Ba2PrSbO6 by Materials Project

description: Ba2PrSbO6 crystallizes in the trigonal R-3 space group. The structure is three-dimensional. Ba2+ is bonded in a 12-coordinate geometry to twelve equivalent O2- atoms. There are a spread of Ba–O bond distances ranging from 2.82–3.36 Å. Pr3+ is bonded to six equivalent O2- atoms to form PrO6 octahedra that share corners with six equivalent SbO6 octahedra. The corner-sharing octahedral tilt angles are 14°. All Pr–O bond lengths are 2.36 Å. Sb5+ is bonded to six equivalent O2- atoms to form SbO6 octahedra that share corners with six equivalent PrO6 octahedra. The corner-sharing octahedral tilt angles are 14°. All Sb–O bond lengths are 2.03 Å. O2- is bonded in a 2-coordinate geometry to four equivalent Ba2+, one Pr3+, and one Sb5+ atom.
DOI: 10.17188/1281563
title: Materials Data on Cs3Tb2Br9 by Materials Project

description: Cs3Tb2Br9 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Cs1+ is bonded to twelve Br1- atoms to form CsBr12 cuboctahedra that share corners with six equivalent CsBr12 cuboctahedra, corners with four equivalent TbBr6 octahedra, faces with eight equivalent CsBr12 cuboctahedra, and faces with four equivalent TbBr6 octahedra. The corner-sharing octahedra tilt angles range from 11–30°. There are a spread of Cs–Br bond distances ranging from 3.97–4.15 Å. Tb3+ is bonded to six Br1- atoms to form TbBr6 octahedra that share corners with six equivalent CsBr12 cuboctahedra, faces with six equivalent CsBr12 cuboctahedra, and a faceface with one TbBr6 octahedra. There are three shorter (2.74 Å) and three longer (2.94 Å) Tb–Br bond lengths. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted L-shaped geometry to four equivalent Cs1+ and two equivalent Tb3+ atoms. In the second Br1- site, Br1- is bonded in a distorted single-bond geometry to four equivalent Cs1+ and one Tb3+ atom.
DOI: 10.17188/1281564
title: Materials Data on FeSbPt by Materials Project

description: FePtSb crystallizes in the trigonal R3 space group. The structure is three-dimensional. there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to three equivalent Pt2- and one Sb1- atom to form distorted FeSbPt3 trigonal pyramids that share corners with three equivalent PtFe3Sb3 octahedra, corners with nine SbFePt3 tetrahedra, and corners with six equivalent FeSbPt3 trigonal pyramids. The corner-sharing octahedral tilt angles are 75°. All Fe–Pt bond lengths are 2.38 Å. The Fe–Sb bond length is 2.48 Å. In the second Fe3+ site, Fe3+ is bonded to three Pt2- and one Sb1- atom to form distorted FeSbPt3 trigonal pyramids that share corners with three PtFe3Sb3 octahedra, corners with nine SbFePt3 tetrahedra, and corners with six FeSbPt3 trigonal pyramids. The corner-sharing octahedral tilt angles are 75°. There are one shorter (2.38 Å) and two longer (2.39 Å) Fe–Pt bond lengths. The Fe–Sb bond length is 2.49 Å. There are two inequivalent Pt2- sites. In the first Pt2- site, Pt2- is bonded to three Fe3+ and three Sb1- atoms to form distorted PtFe3Sb3 octahedra that share corners with twelve PtFe3Sb3 octahedra, corners with three SbFePt3 tetrahedra, and corners with three FeSbPt3 trigonal pyramids. The corner-sharing octahedra tilt angles range from 61–67°. There are one shorter (2.77 Å) and two longer (2.78 Å) Pt–Sb bond lengths. In the second Pt2- site, Pt2- is bonded to three equivalent Fe3+ and three equivalent Sb1- atoms to form distorted PtFe3Sb3 octahedra that share corners with twelve equivalent PtFe3Sb3 octahedra, corners with three equivalent SbFePt3 tetrahedra, and corners with three equivalent FeSbPt3 trigonal pyramids. The corner-sharing octahedra tilt angles range from 61–67°. All Pt–Sb bond lengths are 2.77 Å. There are two inequivalent Sb1- sites. In the first Sb1- site, Sb1- is bonded to one Fe3+ and three Pt2- atoms to form distorted SbFePt3 tetrahedra that share corners with three PtFe3Sb3 octahedra, corners with six SbFePt3 tetrahedra, and corners with nine FeSbPt3 trigonal pyramids. The corner-sharing octahedral tilt angles are 82°. In the second Sb1- site, Sb1- is bonded to one Fe3+ and three equivalent Pt2- atoms to form distorted SbFePt3 tetrahedra that share corners with three equivalent PtFe3Sb3 octahedra, corners with six equivalent SbFePt3 tetrahedra, and corners with nine FeSbPt3 trigonal pyramids. The corner-sharing octahedral tilt angles are 81°.
DOI: 10.17188/1281565
title: Materials Data on Cs3Tm2I9 by Materials Project

description: Cs3Tm2I9 crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a distorted q6 geometry to nine equivalent I1- atoms. There are three shorter (4.20 Å) and six longer (4.31 Å) Cs–I bond lengths. In the second Cs1+ site, Cs1+ is bonded to twelve I1- atoms to form CsI12 cuboctahedra that share corners with six equivalent CsI12 cuboctahedra and faces with six equivalent TmI6 octahedra. There are six shorter (4.30 Å) and six longer (4.33 Å) Cs–I bond lengths. Tm3+ is bonded to six I1- atoms to form TmI6 octahedra that share faces with three equivalent CsI12 cuboctahedra and a faceface with one TmI6 octahedra. There are three shorter (2.91 Å) and three longer (3.12 Å) Tm–I bond lengths. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a 2-coordinate geometry to two equivalent Cs1+ and two equivalent Tm3+ atoms. In the second I1- site, I1- is bonded in a distorted single-bond geometry to four Cs1+ and one Tm3+ atom.
DOI: 10.17188/1281567
title: Materials Data on In7Te10 by Materials Project

description: In7Te10 crystallizes in the trigonal R32 space group. The structure is three-dimensional. there are three inequivalent In+2.86+ sites. In the first In+2.86+ site, In+2.86+ is bonded to four Te2- atoms to form a mixture of edge and corner-sharing InTe4 tetrahedra. There are a spread of In–Te bond distances ranging from 2.78–2.91 Å. In the second In+2.86+ site, In+2.86+ is bonded to four Te2- atoms to form corner-sharing InTe4 tetrahedra. There are a spread of In–Te bond distances ranging from 2.78–2.88 Å. In the third In+2.86+ site, In+2.86+ is bonded in a trigonal non-coplanar geometry to three equivalent Te2- atoms. All In–Te bond lengths are 2.89 Å. There are five inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 3-coordinate geometry to three In+2.86+ atoms. In the second Te2- site, Te2- is bonded in an L-shaped geometry to two equivalent In+2.86+ atoms. In the third Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three In+2.86+ atoms. In the fourth Te2- site, Te2- is bonded in a water-like geometry to two equivalent In+2.86+ atoms. In the fifth Te2- site, Te2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent In+2.86+ atoms.
DOI: 10.17188/1281568
title: Materials Data on Cs3Nb2S11 by Materials Project

description: Cs3Nb2S11 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 11-coordinate geometry to eleven S+1.18- atoms. There are a spread of Cs–S bond distances ranging from 3.59–4.06 Å. In the second Cs1+ site, Cs1+ is bonded in a 9-coordinate geometry to nine S+1.18- atoms. There are a spread of Cs–S bond distances ranging from 3.54–3.93 Å. In the third Cs1+ site, Cs1+ is bonded in a 10-coordinate geometry to ten S+1.18- atoms. There are a spread of Cs–S bond distances ranging from 3.54–4.16 Å. There are two inequivalent Nb5+ sites. In the first Nb5+ site, Nb5+ is bonded in a 7-coordinate geometry to seven S+1.18- atoms. There are a spread of Nb–S bond distances ranging from 2.24–3.04 Å. In the second Nb5+ site, Nb5+ is bonded in a 7-coordinate geometry to seven S+1.18- atoms. There are a spread of Nb–S bond distances ranging from 2.24–2.99 Å. There are eleven inequivalent S+1.18- sites. In the first S+1.18- site, S+1.18- is bonded in a distorted single-bond geometry to three Cs1+ and one Nb5+ atom. In the second S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to three Cs1+ and one Nb5+ atom. In the third S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to two equivalent Cs1+ and two Nb5+ atoms. In the fourth S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to three Cs1+ and one Nb5+ atom. In the fifth S+1.18- site, S+1.18- is bonded in a 2-coordinate geometry to one Cs1+ and two Nb5+ atoms. In the sixth S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to four Cs1+ and one Nb5+ atom. In the seventh S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to three Cs1+, one Nb5+, and one S+1.18- atom. The S–S bond length is 2.08 Å. In the eighth S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to two equivalent Cs1+ and two Nb5+ atoms. In the ninth S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to three Cs1+ and one Nb5+ atom. In the tenth S+1.18- site, S+1.18- is bonded in a distorted single-bond geometry to four Cs1+ and one Nb5+ atom. In the eleventh S+1.18- site, S+1.18- is bonded in a 1-coordinate geometry to two Cs1+, one Nb5+, and one S+1.18- atom.
DOI: 10.17188/1281569
title: Materials Data on Cs3CdI5 by Materials Project

description: Cs3CdI5 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. there are two inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 9-coordinate geometry to nine I1- atoms. There are a spread of Cs–I bond distances ranging from 3.91–4.47 Å. In the second Cs1+ site, Cs1+ is bonded in a 8-coordinate geometry to eight I1- atoms. There are a spread of Cs–I bond distances ranging from 3.82–4.15 Å. Cd2+ is bonded in a tetrahedral geometry to four I1- atoms. There are a spread of Cd–I bond distances ranging from 2.81–2.85 Å. There are four inequivalent I1- sites. In the first I1- site, I1- is bonded in a 1-coordinate geometry to five Cs1+ and one Cd2+ atom. In the second I1- site, I1- is bonded in a 1-coordinate geometry to five Cs1+ and one Cd2+ atom. In the third I1- site, I1- is bonded to six Cs1+ atoms to form distorted face-sharing ICs6 octahedra. In the fourth I1- site, I1- is bonded in a 1-coordinate geometry to five Cs1+ and one Cd2+ atom.
DOI: 10.17188/1281570
title: Materials Data on Eu5Si(Cl3O2)2 by Materials Project

description: Eu5Si(O2Cl3)2 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Eu2+ sites. In the first Eu2+ site, Eu2+ is bonded in a 9-coordinate geometry to two O2- and seven Cl1- atoms. There are one shorter (2.50 Å) and one longer (2.55 Å) Eu–O bond lengths. There are a spread of Eu–Cl bond distances ranging from 2.94–3.36 Å. In the second Eu2+ site, Eu2+ is bonded in a 8-coordinate geometry to two equivalent O2- and six Cl1- atoms. Both Eu–O bond lengths are 2.50 Å. There are a spread of Eu–Cl bond distances ranging from 2.87–3.23 Å. In the third Eu2+ site, Eu2+ is bonded in a 2-coordinate geometry to three O2- and four Cl1- atoms. There are a spread of Eu–O bond distances ranging from 2.44–2.72 Å. There are a spread of Eu–Cl bond distances ranging from 2.94–3.29 Å. Si4+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.64 Å) and two longer (1.65 Å) Si–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Eu2+ and one Si4+ atom. In the second O2- site, O2- is bonded to three Eu2+ and one Si4+ atom to form distorted OEu3Si trigonal pyramids that share edges with two equivalent ClEu6 octahedra and an edgeedge with one OEu3Si trigonal pyramid. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded to six Eu2+ atoms to form distorted ClEu6 octahedra that share corners with two equivalent ClEu6 octahedra and edges with four equivalent OEu3Si trigonal pyramids. The corner-sharing octahedral tilt angles are 25°. In the second Cl1- site, Cl1- is bonded in a 5-coordinate geometry to five Eu2+ atoms. In the third Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Eu2+ atoms. In the fourth Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Eu2+ atoms.