SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
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
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
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
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
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
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
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
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
Li2V3TeO8 is Hausmannite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, and edges with six VO6 octahedra. There are a spread of Li–O bond distances ranging from 2.10–2.35 Å. In the second Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine VO6 octahedra. The corner-sharing octahedra tilt angles range from 44–69°. There are a spread of Li–O bond distances ranging from 2.01–2.12 Å. In the third Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine VO6 octahedra. The corner-sharing octahedra tilt angles range from 44–71°. There are a spread of Li–O bond distances ranging from 2.00–2.13 Å. In the fourth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, and edges with six VO6 octahedra. There are a spread of Li–O bond distances ranging from 2.08–2.34 Å. In the fifth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share corners with three LiO4 tetrahedra and edges with six VO6 octahedra. There are a spread of Li–O bond distances ranging from 2.09–2.33 Å. In the sixth Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine VO6 octahedra. The corner-sharing octahedra tilt angles range from 48–70°. There are a spread of Li–O bond distances ranging from 2.04–2.10 Å. In the seventh Li1+ site, Li1+ is bonded to four O2- atoms to form LiO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine VO6 octahedra. The corner-sharing octahedra tilt angles range from 45–69°. There are a spread of Li–O bond distances ranging from 2.01–2.12 Å. In the eighth Li1+ site, Li1+ is bonded to six O2- atoms to form LiO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, and edges with six VO6 octahedra. There are a spread of Li–O bond distances ranging from 2.07–2.35 Å. There are twelve inequivalent V5+ sites. In the first V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.93–2.29 Å. In the second V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.86–2.35 Å. In the third V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.81–2.46 Å. In the fourth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.84–2.46 Å. In the fifth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.95–2.28 Å. In the sixth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.93–2.30 Å. In the seventh V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.93–2.33 Å. In the eighth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.95–2.27 Å. In the ninth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.84–2.47 Å. In the tenth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.94–2.40 Å. In the eleventh V5+ site, V5+ is bonded to six O2- atoms to form VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.97–2.26 Å. In the twelfth V5+ site, V5+ is bonded to six O2- atoms to form distorted VO6 octahedra that share a cornercorner with one TeO4 tetrahedra, corners with three LiO4 tetrahedra, edges with two LiO6 octahedra, and edges with four VO6 octahedra. There are a spread of V–O bond distances ranging from 1.92–2.34 Å. There are four inequivalent Te1- sites. In the first Te1- site, Te1- is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.92–2.63 Å. In the second Te1- site, Te1- is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.92–2.61 Å. In the third Te1- site, Te1- is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.91–2.61 Å. In the fourth Te1- site, Te1- is bonded to four O2- atoms to form distorted TeO4 tetrahedra that share corners with three LiO6 octahedra and corners with nine VO6 octahedra. The corner-sharing octahedra tilt angles range from 52–74°. There are a spread of Te–O bond distances ranging from 1.93–2.56 Å. There are thirty-two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three V5+ atoms. In the fourth O2- site, O2- is bonded to two Li1+ and two V5+ atoms to form distorted corner-sharing OLi2V2 trigonal pyramids. In the fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the sixth O2- site, O2- is bonded to three V5+ and one Te1- atom to form distorted corner-sharing OV3Te tetrahedra. In the seventh O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the tenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the eleventh O2- site, O2- is bonded to three V5+ and one Te1- atom to form distorted corner-sharing OV3Te tetrahedra. In the twelfth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the thirteenth O2- site, O2- is bonded to two Li1+ and two V5+ atoms to form distorted corner-sharing OLi2V2 trigonal pyramids. In the fourteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three V5+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the sixteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the seventeenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the nineteenth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three V5+ atoms. In the twentieth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the twenty-second O2- site, O2- is bonded in a distorted tetrahedral geometry to three V5+ and one Te1- atom. In the twenty-third O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the twenty-fourth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the twenty-fifth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the twenty-sixth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the twenty-seventh O2- site, O2- is bonded in a distorted tetrahedral geometry to three V5+ and one Te1- atom. In the twenty-eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to one Li1+, two V5+, and one Te1- atom. In the twenty-ninth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the thirtieth O2- site, O2- is bonded in a rectangular see-saw-like geometry to one Li1+ and three V5+ atoms. In the thirty-first O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+ and two V5+ atoms. In the thirty-second O2- site, O2- is bonded in a rectangular see-saw-like geometry to two Li1+ and two V5+ atoms.
CaTeO4 crystallizes in the orthorhombic Pna2_1 space group. The structure is two-dimensional and consists of two CaTeO4 sheets oriented in the (0, 0, 1) direction. there are two inequivalent Ca2+ sites. In the first Ca2+ site, Ca2+ is bonded to seven O2- atoms to form distorted CaO7 pentagonal bipyramids that share corners with two equivalent CaO7 pentagonal bipyramids, corners with three TeO4 tetrahedra, and edges with two TeO4 tetrahedra. There are a spread of Ca–O bond distances ranging from 2.31–2.68 Å. In the second Ca2+ site, Ca2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Ca–O bond distances ranging from 2.25–2.63 Å. There are two inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded to four O2- atoms to form TeO4 tetrahedra that share a cornercorner with one CaO7 pentagonal bipyramid and an edgeedge with one CaO7 pentagonal bipyramid. There are a spread of Te–O bond distances ranging from 1.83–1.89 Å. In the second Te6+ site, Te6+ is bonded to four O2- atoms to form TeO4 tetrahedra that share corners with two equivalent CaO7 pentagonal bipyramids and an edgeedge with one CaO7 pentagonal bipyramid. There are a spread of Te–O bond distances ranging from 1.83–1.89 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Te6+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Ca2+ and one Te6+ atom. In the third O2- site, O2- is bonded in a distorted L-shaped geometry to one Ca2+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a distorted water-like geometry to one Ca2+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Ca2+ and one Te6+ atom. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to three Ca2+ and one Te6+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two Ca2+ and one Te6+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to one Ca2+ and one Te6+ atom.
(WTe2O7)2N2(NO)2 crystallizes in the monoclinic P2_1 space group. The structure is two-dimensional and consists of two ammonia molecules; two nitroxyl molecules; and one WTe2O7 sheet oriented in the (1, 0, 0) direction. In the WTe2O7 sheet, W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share a cornercorner with one TeO4 trigonal pyramid and an edgeedge with one TeO4 trigonal pyramid. There are a spread of W–O bond distances ranging from 1.76–2.22 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.90–1.97 Å. In the second Te4+ site, Te4+ is bonded to four O2- atoms to form distorted TeO4 trigonal pyramids that share a cornercorner with one WO6 octahedra and an edgeedge with one WO6 octahedra. The corner-sharing octahedral tilt angles are 34°. There are a spread of Te–O bond distances ranging from 1.89–2.24 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one W6+ and one Te4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one W6+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one W6+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a distorted water-like geometry to one W6+ and one Te4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one W6+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Te4+ atoms.
Yb2Te5O13 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Yb3+ sites. In the first Yb3+ site, Yb3+ is bonded to six O2- atoms to form YbO6 octahedra that share a cornercorner with one YbO7 pentagonal bipyramid, a cornercorner with one TeO4 tetrahedra, and an edgeedge with one YbO7 pentagonal bipyramid. There are a spread of Yb–O bond distances ranging from 2.28–2.40 Å. In the second Yb3+ site, Yb3+ is bonded to seven O2- atoms to form distorted YbO7 pentagonal bipyramids that share a cornercorner with one YbO6 octahedra, corners with two equivalent TeO4 tetrahedra, an edgeedge with one YbO6 octahedra, and an edgeedge with one YbO7 pentagonal bipyramid. The corner-sharing octahedral tilt angles are 59°. There are a spread of Yb–O bond distances ranging from 2.26–2.54 Å. There are five inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.87–1.97 Å. In the second Te4+ site, Te4+ is bonded to four O2- atoms to form TeO4 tetrahedra that share a cornercorner with one YbO6 octahedra and corners with two equivalent YbO7 pentagonal bipyramids. The corner-sharing octahedral tilt angles are 61°. There are a spread of Te–O bond distances ranging from 1.84–1.89 Å. In the third Te4+ site, Te4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.84–2.87 Å. In the fourth Te4+ site, Te4+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.86–2.54 Å. In the fifth Te4+ site, Te4+ is bonded in a 4-coordinate geometry to six O2- atoms. There are a spread of Te–O bond distances ranging from 1.87–2.99 Å. There are thirteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two Yb3+ and one Te4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Yb3+ and two Te4+ atoms. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Yb3+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Yb3+ and two Te4+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to one Yb3+ and two equivalent Te4+ atoms. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Te4+ atoms. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Yb3+ and two Te4+ atoms. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Te4+ atoms. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to one Yb3+ and two Te4+ atoms. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to two Te4+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Te4+ atoms. In the twelfth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Yb3+ and one Te4+ atom. In the thirteenth O2- site, O2- is bonded in a bent 150 degrees geometry to one Yb3+ and one Te4+ atom.
(WTe2O7)2N2(NO)2 crystallizes in the monoclinic P2_1 space group. The structure is two-dimensional and consists of two ammonia molecules; two nitroxyl molecules; and one WTe2O7 sheet oriented in the (1, 0, 0) direction. In the WTe2O7 sheet, W6+ is bonded to six O2- atoms to form distorted WO6 octahedra that share a cornercorner with one TeO4 trigonal pyramid and an edgeedge with one TeO4 trigonal pyramid. There are a spread of W–O bond distances ranging from 1.76–2.23 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.91–1.96 Å. In the second Te4+ site, Te4+ is bonded to four O2- atoms to form TeO4 trigonal pyramids that share a cornercorner with one WO6 octahedra and an edgeedge with one WO6 octahedra. The corner-sharing octahedral tilt angles are 37°. There are a spread of Te–O bond distances ranging from 1.89–2.19 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to one W6+ and one Te4+ atom. In the second O2- site, O2- is bonded in a single-bond geometry to one W6+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one W6+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one W6+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a 2-coordinate geometry to one W6+ and one Te4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one W6+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a 2-coordinate geometry to two Te4+ atoms.
Yb2Te4O11 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are two inequivalent Yb3+ sites. In the first Yb3+ site, Yb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Yb–O bond distances ranging from 2.27–2.86 Å. In the second Yb3+ site, Yb3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Yb–O bond distances ranging from 2.27–2.85 Å. There are four inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded to four O2- atoms to form corner-sharing TeO4 tetrahedra. There are a spread of Te–O bond distances ranging from 1.84–2.03 Å. In the second Te4+ site, Te4+ is bonded to four O2- atoms to form distorted corner-sharing TeO4 tetrahedra. There are a spread of Te–O bond distances ranging from 1.84–2.11 Å. In the third Te4+ site, Te4+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.86–2.34 Å. In the fourth Te4+ site, Te4+ is bonded in a distorted see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.86–2.34 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Yb3+ and one Te4+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Yb3+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Yb3+ and two Te4+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Yb3+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Yb3+ and one Te4+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Yb3+ and two Te4+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Yb3+ and one Te4+ atom. In the eighth O2- site, O2- is bonded in a linear geometry to two Te4+ atoms. In the ninth O2- site, O2- is bonded in a 4-coordinate geometry to two equivalent Yb3+ and two Te4+ atoms. In the tenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Yb3+ and two Te4+ atoms. In the eleventh O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Yb3+ and one Te4+ atom.
K2TeO4 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of K–O bond distances ranging from 2.72–3.30 Å. In the second K1+ site, K1+ is bonded to six O2- atoms to form distorted KO6 octahedra that share corners with six equivalent TeO4 tetrahedra and edges with two equivalent KO6 octahedra. There are a spread of K–O bond distances ranging from 2.75–3.00 Å. Te6+ is bonded to four O2- atoms to form TeO4 tetrahedra that share corners with six equivalent KO6 octahedra. The corner-sharing octahedra tilt angles range from 37–73°. There are a spread of Te–O bond distances ranging from 1.84–1.86 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three K1+ and one Te6+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two K1+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three K1+ and one Te6+ atom. In the fourth O2- site, O2- is bonded to four K1+ and one Te6+ atom to form distorted corner-sharing OK4Te trigonal bipyramids.
K3Te(PO5)3O2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional and consists of four oxygen molecules and one K3Te(PO5)3 framework. In the K3Te(PO5)3 framework, there are three inequivalent K sites. In the first K site, K is bonded in a 7-coordinate geometry to seven O atoms. There are a spread of K–O bond distances ranging from 2.73–2.97 Å. In the second K site, K is bonded to seven O atoms to form distorted KO7 pentagonal bipyramids that share corners with two equivalent KO7 pentagonal bipyramids, a cornercorner with one TeO4 tetrahedra, and corners with six PO4 tetrahedra. There are a spread of K–O bond distances ranging from 2.84–3.19 Å. In the third K site, K is bonded in a 5-coordinate geometry to five O atoms. There are a spread of K–O bond distances ranging from 2.64–3.16 Å. There are three inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one KO7 pentagonal bipyramid and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.64 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two equivalent KO7 pentagonal bipyramids and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.63 Å. In the third P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with three equivalent KO7 pentagonal bipyramids and corners with two PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.49–1.66 Å. Te is bonded to four O atoms to form TeO4 tetrahedra that share a cornercorner with one KO7 pentagonal bipyramid. There is two shorter (1.82 Å) and two longer (1.88 Å) Te–O bond length. There are fifteen inequivalent O sites. In the first O site, O is bonded in a distorted bent 120 degrees geometry to one K and one Te atom. In the second O site, O is bonded in a linear geometry to one K and one Te atom. In the third O site, O is bonded in a distorted trigonal non-coplanar geometry to two K and one Te atom. In the fourth O site, O is bonded in a water-like geometry to one K and one O atom. The O–O bond length is 1.23 Å. In the fifth O site, O is bonded in a linear geometry to one K and one Te atom. In the sixth O site, O is bonded in a distorted single-bond geometry to two K and one P atom. In the seventh O site, O is bonded in a distorted bent 120 degrees geometry to one K and one P atom. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to one K and one P atom. In the ninth O site, O is bonded in a distorted single-bond geometry to three K and one P atom. In the tenth O site, O is bonded in a distorted single-bond geometry to three K and one P atom. In the eleventh O site, O is bonded in a distorted single-bond geometry to two K and one P atom. In the twelfth O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the thirteenth O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the fourteenth O site, O is bonded in a 2-coordinate geometry to one K and two P atoms. In the fifteenth O site, O is bonded in a single-bond geometry to one O atom.
Pb3Te2(O3Cl)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to eight O2- and one Cl1- atom. There are a spread of Pb–O bond distances ranging from 2.57–3.05 Å. The Pb–Cl bond length is 3.32 Å. In the second Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and four Cl1- atoms. There are two shorter (2.46 Å) and two longer (2.61 Å) Pb–O bond lengths. There are a spread of Pb–Cl bond distances ranging from 3.23–3.30 Å. In the third Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- and three Cl1- atoms. There are a spread of Pb–O bond distances ranging from 2.44–2.70 Å. There are two shorter (3.32 Å) and one longer (3.33 Å) Pb–Cl bond lengths. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded to four O2- atoms to form distorted edge-sharing TeO4 trigonal pyramids. There are two shorter (1.96 Å) and two longer (2.08 Å) Te–O bond lengths. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and one Cl1- atom. There is one shorter (1.88 Å) and two longer (1.91 Å) Te–O bond length. The Te–Cl bond length is 3.31 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Pb2+ and two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to three Pb2+ and one Te4+ atom. In the fourth O2- site, O2- is bonded to three Pb2+ and one Te4+ atom to form distorted edge-sharing OTePb3 tetrahedra. There are two inequivalent Cl1- sites. In the first Cl1- site, Cl1- is bonded in a 5-coordinate geometry to four Pb2+ and one Te4+ atom. In the second Cl1- site, Cl1- is bonded in a 4-coordinate geometry to four Pb2+ atoms.
Pb3Te2(O3Br)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 4-coordinate geometry to four O2- and four Br1- atoms. There are two shorter (2.46 Å) and two longer (2.65 Å) Pb–O bond lengths. There are one shorter (3.34 Å) and three longer (3.39 Å) Pb–Br bond lengths. In the second Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- and three Br1- atoms. There are a spread of Pb–O bond distances ranging from 2.44–2.71 Å. All Pb–Br bond lengths are 3.45 Å. In the third Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to eight O2- and one Br1- atom. There are a spread of Pb–O bond distances ranging from 2.57–3.06 Å. The Pb–Br bond length is 3.40 Å. There are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded to four O2- atoms to form distorted edge-sharing TeO4 trigonal pyramids. There are two shorter (1.96 Å) and two longer (2.09 Å) Te–O bond lengths. In the second Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- and one Br1- atom. There is one shorter (1.88 Å) and two longer (1.91 Å) Te–O bond length. The Te–Br bond length is 3.43 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Pb2+ and two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to three Pb2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 4-coordinate geometry to three Pb2+ and one Te4+ atom. In the fourth O2- site, O2- is bonded to three Pb2+ and one Te4+ atom to form distorted edge-sharing OTePb3 tetrahedra. There are two inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 5-coordinate geometry to four Pb2+ and one Te4+ atom. In the second Br1- site, Br1- is bonded in a 8-coordinate geometry to four Pb2+ atoms.