cometadata/datacite-titles-descriptions-related-identifiers huggingface dataset:
DOI: 10.17188/1278263
title: Materials Data on Ru(SCl3)4 by Materials Project

description: RuSCl4(SCl2)3Cl2 crystallizes in the monoclinic P2_1/c space group. The structure is zero-dimensional and consists of four chlorine molecules, twelve sulfur dichloride molecules, and four RuSCl4 clusters. In each RuSCl4 cluster, Ru4+ is bonded in a distorted T-shaped geometry to three Cl1- atoms. There are a spread of Ru–Cl bond distances ranging from 2.37–2.42 Å. S2+ is bonded in a 2-coordinate geometry to two Cl1- atoms. There are one shorter (2.02 Å) and one longer (2.68 Å) S–Cl bond lengths. There are four inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a single-bond geometry to one Ru4+ atom. In the second Cl1- site, Cl1- is bonded in a distorted water-like geometry to one Ru4+ and one S2+ atom. In the third Cl1- site, Cl1- is bonded in a single-bond geometry to one S2+ atom. In the fourth Cl1- site, Cl1- is bonded in a distorted single-bond geometry to one Ru4+ atom.
DOI: 10.17188/1278265
title: Materials Data on K2Sn(GeO3)3 by Materials Project

description: K2Sn(GeO3)3 is Esseneite-like structured and crystallizes in the trigonal P-3c1 space group. The structure is three-dimensional. K1+ is bonded in a 4-coordinate geometry to nine O2- atoms. There are a spread of K–O bond distances ranging from 2.53–3.39 Å. There are two inequivalent Sn4+ sites. In the first Sn4+ site, Sn4+ is bonded to six O2- atoms to form SnO6 octahedra that share corners with six equivalent GeO4 tetrahedra. All Sn–O bond lengths are 2.09 Å. In the second Sn4+ site, Sn4+ is bonded to six equivalent O2- atoms to form SnO6 octahedra that share corners with six equivalent GeO4 tetrahedra. All Sn–O bond lengths are 2.10 Å. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two equivalent SnO6 octahedra and corners with two GeO4 tetrahedra. The corner-sharing octahedra tilt angles range from 37–47°. There are a spread of Ge–O bond distances ranging from 1.75–1.80 Å. In the second Ge4+ site, Ge4+ is bonded to four O2- atoms to form GeO4 tetrahedra that share corners with two equivalent SnO6 octahedra and corners with two equivalent GeO4 tetrahedra. The corner-sharing octahedral tilt angles are 51°. There is two shorter (1.76 Å) and two longer (1.82 Å) Ge–O bond length. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent K1+ and two Ge4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one Sn4+, and one Ge4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one Sn4+, and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent K1+, one Sn4+, and one Ge4+ atom. In the fifth O2- site, O2- is bonded in a distorted linear geometry to two equivalent K1+ and two equivalent Ge4+ atoms.
DOI: 10.17188/1278266
title: Materials Data on Li(Fe3Ge2)2 by Materials Project

description: LiFe6Ge4 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Li is bonded to twelve Fe and eight Ge atoms to form distorted face-sharing LiFe12Ge8 hexagonal bipyramids. All Li–Fe bond lengths are 3.25 Å. There are two shorter (2.48 Å) and six longer (2.91 Å) Li–Ge bond lengths. There are three inequivalent Fe sites. In the first Fe site, Fe is bonded in a 5-coordinate geometry to two equivalent Li, six Fe, and five Ge atoms. There are a spread of Fe–Fe bond distances ranging from 2.46–2.80 Å. There are a spread of Fe–Ge bond distances ranging from 2.48–2.56 Å. In the second Fe site, Fe is bonded in a 5-coordinate geometry to two equivalent Li, six equivalent Fe, and five Ge atoms. There are a spread of Fe–Ge bond distances ranging from 2.48–2.56 Å. In the third Fe site, Fe is bonded in a 5-coordinate geometry to two equivalent Li, six equivalent Fe, and five Ge atoms. Both Fe–Li bond lengths are 3.25 Å. There are a spread of Fe–Fe bond distances ranging from 2.46–2.80 Å. There are a spread of Fe–Ge bond distances ranging from 2.48–2.56 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to one Li and nine Fe atoms. In the second Ge site, Ge is bonded in a 12-coordinate geometry to three equivalent Li and six Fe atoms.
DOI: 10.17188/1278267
title: Materials Data on K5Nb4O12F by Materials Project

description: K5(NbO3)4F is Pb (Zr_0.50 Ti_0.48) O_3-derived structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are three inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to five O2- and one F1- atom. There are a spread of K–O bond distances ranging from 2.67–3.07 Å. The K–F bond length is 2.74 Å. In the second K1+ site, K1+ is bonded to four O2- and two equivalent F1- atoms to form corner-sharing KO4F2 octahedra. The corner-sharing octahedral tilt angles are 0°. There are two shorter (2.67 Å) and two longer (2.72 Å) K–O bond lengths. Both K–F bond lengths are 2.59 Å. In the third K1+ site, K1+ is bonded in a 5-coordinate geometry to six O2- and one F1- atom. There are a spread of K–O bond distances ranging from 2.68–3.34 Å. The K–F bond length is 2.73 Å. There are two inequivalent Nb5+ sites. In the first Nb5+ site, Nb5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nb–O bond distances ranging from 1.81–2.49 Å. In the second Nb5+ site, Nb5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nb–O bond distances ranging from 1.81–2.46 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two K1+ and two Nb5+ atoms. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to four Nb5+ atoms. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two K1+ and two Nb5+ atoms. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to four K1+ and one Nb5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three K1+ and one Nb5+ atom. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to two K1+ and two Nb5+ atoms. F1- is bonded to six K1+ atoms to form corner-sharing FK6 octahedra. The corner-sharing octahedral tilt angles are 0°.
DOI: 10.17188/1278268
title: Materials Data on NaCoPO4 (SG:14) 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: 10.17188/1278269
title: Materials Data on Cs2Ni(NO3)4 (SG: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: 10.17188/1278270
title: Materials Data on Cs2Te(MoO4)3 (SG:173) 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: 10.17188/1278271
title: Materials Data on Ca2CO3F2 by Materials Project

description: Ca2CO3F2 crystallizes in the orthorhombic Pbcn space group. The structure is three-dimensional. Ca2+ is bonded in a 7-coordinate geometry to three O2- and four equivalent F1- atoms. There are a spread of Ca–O bond distances ranging from 2.36–2.55 Å. There are a spread of Ca–F bond distances ranging from 2.34–2.47 Å. C4+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.29 Å) and one longer (1.31 Å) C–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Ca2+ and one C4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Ca2+ and one C4+ atom. F1- is bonded to four equivalent Ca2+ atoms to form a mixture of distorted corner and edge-sharing FCa4 tetrahedra.
DOI: 10.17188/1278272
title: Materials Data on BaSb2 by Materials Project

description: BaSb2 is Zirconium Disilicide structured and crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. Ba2+ is bonded in a 10-coordinate geometry to ten Sb1- atoms. There are a spread of Ba–Sb bond distances ranging from 3.56–3.98 Å. There are two inequivalent Sb1- sites. In the first Sb1- site, Sb1- is bonded in a 8-coordinate geometry to six equivalent Ba2+ and two equivalent Sb1- atoms. Both Sb–Sb bond lengths are 2.97 Å. In the second Sb1- site, Sb1- is bonded in a 6-coordinate geometry to four equivalent Ba2+ and two equivalent Sb1- atoms. Both Sb–Sb bond lengths are 2.94 Å.
DOI: 10.17188/1278273
title: Materials Data on Ta2O5 by Materials Project

description: Ta2O5 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. Ta5+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ta–O bond distances ranging from 1.90–2.40 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to three equivalent Ta5+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two equivalent Ta5+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to four equivalent Ta5+ atoms.
DOI: 10.17188/1278274
title: Materials Data on V2O5 by Materials Project

description: V2O5 crystallizes in the orthorhombic Pmmn space group. The structure is two-dimensional and consists of one V2O5 sheet oriented in the (0, 1, 0) direction. V5+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing VO6 octahedra. The corner-sharing octahedral tilt angles are 20°. There are a spread of V–O bond distances ranging from 1.81–2.03 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent V5+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two equivalent V5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent V5+ atoms.
DOI: 10.17188/1278275
title: Materials Data on VAgO3 by Materials Project

description: AgVO3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. V5+ is bonded to four O2- atoms to form VO4 tetrahedra that share corners with seven AgO6 octahedra and corners with two equivalent VO4 tetrahedra. The corner-sharing octahedra tilt angles range from 38–68°. There are a spread of V–O bond distances ranging from 1.68–1.83 Å. There are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with eight equivalent VO4 tetrahedra and edges with three equivalent AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.46–2.60 Å. In the second Ag1+ site, Ag1+ is bonded to six O2- atoms to form AgO6 octahedra that share corners with six equivalent VO4 tetrahedra and edges with five AgO6 octahedra. There are a spread of Ag–O bond distances ranging from 2.41–2.55 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one V5+ and two Ag1+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent V5+ and one Ag1+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one V5+ and three Ag1+ atoms.
DOI: 10.17188/1278276
title: Materials Data on ScIr3C by Materials Project

description: ScIr3C is (Cubic) Perovskite structured and crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional and consists of one methane molecule and one ScIr3 framework. In the ScIr3 framework, Sc is bonded to six Ir atoms to form corner-sharing ScIr6 octahedra. The corner-sharing octahedral tilt angles are 0°. There are four shorter (2.34 Å) and two longer (2.35 Å) Sc–Ir bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a linear geometry to two equivalent Sc atoms. In the second Ir site, Ir is bonded in a linear geometry to two equivalent Sc atoms.
DOI: 10.17188/1278277
title: Materials Data on Fe4Te2(CO)11 by Materials Project

description: (Fe2Te(CO)5)2CO crystallizes in the orthorhombic Pccn space group. The structure is two-dimensional and consists of four formaldehyde molecules and two Fe2Te(CO)5 sheets oriented in the (0, 0, 1) direction. In each Fe2Te(CO)5 sheet, there are two inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded in a 2-coordinate geometry to two C+1.27+ and two equivalent Te2- atoms. Both Fe–C bond lengths are 1.79 Å. Both Fe–Te bond lengths are 2.64 Å. In the second Fe3+ site, Fe3+ is bonded in a 5-coordinate geometry to three C+1.27+ and two equivalent Te2- atoms. There is one shorter (1.78 Å) and two longer (1.79 Å) Fe–C bond length. Both Fe–Te bond lengths are 2.59 Å. There are five inequivalent C+1.27+ sites. In the first C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the second C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the third C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fourth C+1.27+ site, C+1.27+ is bonded in a distorted linear geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.16 Å. In the fifth C+1.27+ site, C+1.27+ is bonded in a distorted single-bond geometry to one Fe3+ and one O2- atom. The C–O bond length is 1.17 Å. Te2- is bonded in a 6-coordinate geometry to four Fe3+ and two O2- atoms. There are one shorter (3.45 Å) and one longer (3.74 Å) Te–O bond lengths. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ and one Te2- atom. In the second O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ and one Te2- atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one C+1.27+ atom.
DOI: 10.17188/1278278
title: Materials Data on P2WO8 by Materials Project

description: WP2O8 crystallizes in the orthorhombic Pnma space group. The structure is two-dimensional and consists of two WP2O8 sheets oriented in the (0, 0, 1) direction. W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share corners with five PO4 tetrahedra. There are a spread of W–O bond distances ranging from 1.72–2.17 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with three equivalent WO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 12–20°. There are a spread of P–O bond distances ranging from 1.50–1.58 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent WO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedral tilt angles are 37°. There are a spread of P–O bond distances ranging from 1.47–1.61 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one W6+ and one P5+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one W6+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the sixth O2- site, O2- is bonded in a single-bond geometry to one W6+ atom.
DOI: 10.17188/1278279
title: Materials Data on LiGd(PO3)4 by Materials Project

description: LiGd(PO3)4 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are two shorter (2.00 Å) and two longer (2.01 Å) Li–O bond lengths. Gd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Gd–O bond distances ranging from 2.33–2.59 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.62 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.61 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Gd3+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Li1+, one Gd3+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one Gd3+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Li1+, one Gd3+, and one P5+ atom.
DOI: 10.17188/1278281
title: Materials Data on Sr3Nd2(BO3)4 by Materials Project

description: Sr3Nd2(BO3)4 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are three inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.51–3.04 Å. In the second Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–2.86 Å. In the third Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.52–2.86 Å. There are two inequivalent Nd3+ sites. In the first 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 2.34–2.85 Å. In the second Nd3+ site, Nd3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Nd–O bond distances ranging from 2.37–2.61 Å. There are four inequivalent B3+ sites. In the first B3+ site, B3+ is bonded in a trigonal planar geometry to three O2- atoms. There is two shorter (1.39 Å) and one longer (1.41 Å) B–O bond length. In the second 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 1.37–1.40 Å. In the third 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 fourth 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. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+, one Nd3+, and one B3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+, one Nd3+, and one B3+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+, two Nd3+, and one B3+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+, one Nd3+, and one B3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to three Nd3+ and one B3+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+, one Nd3+, and one B3+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+, one Nd3+, and one B3+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent Sr2+, one Nd3+, and one B3+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to three Sr2+, one Nd3+, and one B3+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to two Sr2+, one Nd3+, and one B3+ atom. In the eleventh O2- site, O2- is bonded to three Sr2+ and one B3+ atom to form distorted corner-sharing OSr3B tetrahedra. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Sr2+, three Nd3+, and one B3+ atom.
DOI: 10.17188/1278282
title: Materials Data on LaNb2CuBrO7 by Materials Project

description: LaNb2CuO7Br crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. La3+ is bonded to twelve O2- atoms to form a mixture of corner and face-sharing LaO12 cuboctahedra. There are eight shorter (2.69 Å) and four longer (2.79 Å) La–O bond lengths. Nb5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Nb–O bond distances ranging from 1.80–2.26 Å. Cu2+ is bonded in a distorted linear geometry to two equivalent O2- and four equivalent Br1- atoms. Both Cu–O bond lengths are 1.84 Å. All Cu–Br bond lengths are 2.79 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent La3+ and two equivalent Nb5+ atoms. In the second O2- site, O2- is bonded in a linear geometry to one Nb5+ and one Cu2+ atom. In the third O2- site, O2- is bonded to four equivalent La3+ and two equivalent Nb5+ atoms to form a mixture of distorted edge and corner-sharing OLa4Nb2 octahedra. The corner-sharing octahedral tilt angles are 0°. Br1- is bonded in a square co-planar geometry to four equivalent Cu2+ atoms.
DOI: 10.17188/1278283
title: Materials Data on KEu(CuTe2)2 by Materials Project

description: KEu(CuTe2)2 crystallizes in the tetragonal P4mm space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight Te2- atoms. There are four shorter (3.53 Å) and four longer (3.72 Å) K–Te bond lengths. Eu3+ is bonded in a 8-coordinate geometry to eight Te2- atoms. There are four shorter (3.33 Å) and four longer (3.39 Å) Eu–Te bond lengths. Cu2+ is bonded to four Te2- atoms to form a mixture of corner and edge-sharing CuTe4 tetrahedra. There are two shorter (2.65 Å) and two longer (2.77 Å) Cu–Te bond lengths. There are three inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 8-coordinate geometry to four equivalent K1+ and four equivalent Cu2+ atoms. In the second Te2- site, Te2- is bonded in a 8-coordinate geometry to two equivalent K1+, two equivalent Eu3+, and four equivalent Te2- atoms. All Te–Te bond lengths are 3.14 Å. In the third Te2- site, Te2- is bonded in a 8-coordinate geometry to four equivalent Eu3+ and four equivalent Cu2+ atoms.