Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “TeO6”

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.

At least 271 records · Page 15

Materials Data on Er2TeO6 by Materials Project

Er2TeO6 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are two inequivalent Er3+ sites. In the first Er3+ site, Er3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Er–O bond distances ranging from 2.22–2.59 Å. In the second Er3+ site, Er3+ is bonded to seven O2- atoms to form distorted ErO7 hexagonal pyramids that share corners with three equivalent TeO6 octahedra, edges with two equivalent ErO7 hexagonal pyramids, and edges with two equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 39–46°. There are a spread of Er–O bond distances ranging from 2.26–2.46 Å. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with three equivalent ErO7 hexagonal pyramids and edges with two equivalent ErO7 hexagonal pyramids. There are a spread of Te–O bond distances ranging from 1.92–1.99 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Er3+ and one Te6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Er3+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Er3+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Er3+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Er3+ and one Te6+ atom. In the sixth O2- site, O2- is bonded to three Er3+ and one Te6+ atom to form distorted corner-sharing OEr3Te tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on TePO5 by Materials Project

PTeO5 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. P4+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–42°. There is three shorter (1.55 Å) and one longer (1.56 Å) P–O bond length. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two equivalent TeO6 octahedra and corners with four equivalent PO4 tetrahedra. The corner-sharing octahedral tilt angles are 34°. There are a spread of Te–O bond distances ranging from 1.97–2.13 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one P4+ and one Te6+ atom. In the second O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te6+ atoms. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one P4+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one P4+ and one Te6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Ti3Cu2Te(PO4)6 by Materials Project

Ti3Cu2Te(PO4)6 crystallizes in the trigonal R3 space group. The structure is three-dimensional. there are three inequivalent Ti4+ sites. In the first Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six PO4 tetrahedra. There is three shorter (1.94 Å) and three longer (2.02 Å) Ti–O bond length. In the second Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six PO4 tetrahedra. There is three shorter (1.91 Å) and three longer (1.97 Å) Ti–O bond length. In the third Ti4+ site, Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six PO4 tetrahedra. There is three shorter (1.95 Å) and three longer (2.01 Å) Ti–O bond length. There are two inequivalent Cu1+ sites. In the first Cu1+ site, Cu1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.23 Å) and three longer (2.39 Å) Cu–O bond lengths. In the second Cu1+ site, Cu1+ is bonded in a distorted hexagonal planar geometry to six O2- atoms. There are three shorter (2.34 Å) and three longer (2.42 Å) Cu–O bond lengths. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one TeO6 octahedra and corners with three TiO6 octahedra. The corner-sharing octahedra tilt angles range from 21–46°. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one TeO6 octahedra and corners with three TiO6 octahedra. The corner-sharing octahedra tilt angles range from 18–42°. There is one shorter (1.54 Å) and three longer (1.55 Å) P–O bond length. Te4+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with six PO4 tetrahedra. There are three shorter (2.09 Å) and three longer (2.18 Å) Te–O bond lengths. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Ti4+, one Cu1+, and one P5+ atom. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to one P5+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to one Ti4+, one Cu1+, and one P5+ atom. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Cu1+, one P5+, and one Te4+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Ti4+, one Cu1+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one P5+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Tm2TeO6 by Materials Project

Tm2TeO6 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are two inequivalent Tm3+ sites. In the first Tm3+ site, Tm3+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Tm–O bond distances ranging from 2.21–2.57 Å. In the second Tm3+ site, Tm3+ is bonded to seven O2- atoms to form distorted TmO7 hexagonal pyramids that share corners with three equivalent TeO6 octahedra, edges with two equivalent TmO7 hexagonal pyramids, and edges with two equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 40–46°. There are a spread of Tm–O bond distances ranging from 2.24–2.48 Å. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with three equivalent TmO7 hexagonal pyramids and edges with two equivalent TmO7 hexagonal pyramids. There are a spread of Te–O bond distances ranging from 1.92–1.97 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Tm3+ and one Te6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two Tm3+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Tm3+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Tm3+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Tm3+ and one Te6+ atom. In the sixth O2- site, O2- is bonded to three Tm3+ and one Te6+ atom to form distorted corner-sharing OTm3Te tetrahedra.

36 MATERIALS SCIENCE↗

Materials Data on BaMgTe2O7 by Materials Project

BaMgTe2O7 crystallizes in the orthorhombic Ama2 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 2.83–3.06 Å. Mg2+ is bonded to five O2- atoms to form distorted MgO5 trigonal bipyramids that share corners with three equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 55–60°. There are a spread of Mg–O bond distances ranging from 2.03–2.08 Å. There are two inequivalent Te5+ sites. In the first Te5+ site, Te5+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two equivalent TeO6 octahedra and corners with three equivalent MgO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 50°. There are a spread of Te–O bond distances ranging from 1.90–2.04 Å. In the second Te5+ site, Te5+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.88–2.34 Å. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+ and two Te5+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Mg2+, and one Te5+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Mg2+ and two Te5+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Ba2+, one Mg2+, and one Te5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Te5+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on RbTeO3 by Materials Project

RbTeO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Rb is bonded to twelve equivalent O atoms to form RbO12 cuboctahedra that share corners with twelve equivalent RbO12 cuboctahedra, faces with six equivalent RbO12 cuboctahedra, and faces with eight equivalent TeO6 octahedra. All Rb–O bond lengths are 2.95 Å. Te is bonded to six equivalent O atoms to form TeO6 octahedra that share corners with six equivalent TeO6 octahedra and faces with eight equivalent RbO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Te–O bond lengths are 2.09 Å. O is bonded to four equivalent Rb and two equivalent Te atoms to form a mixture of distorted corner, edge, and face-sharing ORb4Te2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°.

36 MATERIALS SCIENCE↗

Materials Data on NaTeO3 by Materials Project

NaTeO3 is (Cubic) Perovskite structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Na is bonded to twelve equivalent O atoms to form NaO12 cuboctahedra that share corners with twelve equivalent NaO12 cuboctahedra, faces with six equivalent NaO12 cuboctahedra, and faces with eight equivalent TeO6 octahedra. All Na–O bond lengths are 2.88 Å. Te is bonded to six equivalent O atoms to form TeO6 octahedra that share corners with six equivalent TeO6 octahedra and faces with eight equivalent NaO12 cuboctahedra. The corner-sharing octahedral tilt angles are 0°. All Te–O bond lengths are 2.03 Å. O is bonded to four equivalent Na and two equivalent Te atoms to form a mixture of distorted corner, edge, and face-sharing ONa4Te2 octahedra. The corner-sharing octahedra tilt angles range from 0–60°.

36 MATERIALS SCIENCE↗

Materials Data on Te(RhO3)2 by Materials Project

Rh2TeO6 is Hydrophilite-derived structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Rh4+ is bonded to six O2- atoms to form RhO6 octahedra that share corners with four equivalent RhO6 octahedra, corners with four equivalent TeO6 octahedra, an edgeedge with one RhO6 octahedra, and an edgeedge with one TeO6 octahedra. The corner-sharing octahedra tilt angles range from 51–52°. There are two shorter (2.02 Å) and four longer (2.04 Å) Rh–O bond lengths. Te4+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with eight equivalent RhO6 octahedra and edges with two equivalent RhO6 octahedra. The corner-sharing octahedra tilt angles range from 51–52°. All Te–O bond lengths are 2.05 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Rh4+ and one Te4+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to two equivalent Rh4+ and one Te4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Mn2TeO6 by Materials Project

Mn2TeO6 is Hydrophilite-derived structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Mn3+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with four equivalent MnO6 octahedra, corners with four equivalent TeO6 octahedra, an edgeedge with one MnO6 octahedra, and an edgeedge with one TeO6 octahedra. The corner-sharing octahedra tilt angles range from 48–51°. There are a spread of Mn–O bond distances ranging from 1.98–2.12 Å. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with eight equivalent MnO6 octahedra and edges with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 48–49°. There is four shorter (1.94 Å) and two longer (2.03 Å) Te–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mn3+ and one Te6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Mn3+ and one Te6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Cd2Ni6Te3PbO18 by Materials Project

Ni6Cd2PbTe3O18 crystallizes in the hexagonal P6_3/m space group. The structure is three-dimensional. Ni3+ is bonded to six O2- atoms to form NiO6 octahedra that share corners with two equivalent NiO6 octahedra, corners with two equivalent TeO6 octahedra, edges with two equivalent NiO6 octahedra, and edges with two equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 50–57°. There are a spread of Ni–O bond distances ranging from 2.05–2.15 Å. Cd2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.26 Å) and three longer (2.39 Å) Cd–O bond lengths. Pb2+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Pb–O bond lengths are 2.68 Å. Te4+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with four equivalent NiO6 octahedra and edges with four equivalent NiO6 octahedra. The corner-sharing octahedra tilt angles range from 50–55°. There are a spread of Te–O bond distances ranging from 1.94–2.03 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Ni3+, one Cd2+, and one Te4+ atom to form OCdNi2Te trigonal pyramids that share corners with two equivalent OCd2Ni2Te trigonal bipyramids, corners with three equivalent OCdNi2Te trigonal pyramids, edges with two equivalent OCd2Ni2Te trigonal bipyramids, and an edgeedge with one OCdNi2Te trigonal pyramid. In the second O2- site, O2- is bonded to two equivalent Ni3+, two equivalent Cd2+, and one Te4+ atom to form distorted OCd2Ni2Te trigonal bipyramids that share corners with four equivalent OCdNi2Te trigonal pyramids, edges with two equivalent OCd2Ni2Te trigonal bipyramids, and edges with four equivalent OCdNi2Te trigonal pyramids. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Ni3+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Ni3+, one Pb2+, and one Te4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Zr3TePb4O13 by Materials Project

Zr3Pb4TeO13 crystallizes in the trigonal R3m space group. The structure is three-dimensional. Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with two equivalent TeO6 octahedra, corners with four equivalent ZrO6 octahedra, and edges with six PbO7 hexagonal pyramids. The corner-sharing octahedra tilt angles range from 41–50°. There are a spread of Zr–O bond distances ranging from 2.10–2.17 Å. 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 PbO7 hexagonal pyramids, edges with three PbO7 hexagonal pyramids, edges with two equivalent TeO6 octahedra, and edges with four equivalent ZrO6 octahedra. There are a spread of Pb–O bond distances ranging from 2.32–2.78 Å. In the second 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 ZrO6 octahedra. There are a spread of Pb–O bond distances ranging from 2.39–2.75 Å. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with six equivalent ZrO6 octahedra and edges with six equivalent PbO7 hexagonal pyramids. The corner-sharing octahedral tilt angles are 41°. There is three shorter (1.94 Å) and three longer (1.95 Å) Te–O bond length. 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 two equivalent Zr4+ and two Pb2+ atoms. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Zr4+, two equivalent Pb2+, and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Zr4+ and two Pb2+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Zr4+, two equivalent Pb2+, and one Te6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on CrBiTeO6 by Materials Project

BiCrTeO6 is beta Vanadium nitride-derived structured and crystallizes in the trigonal P-31c space group. The structure is three-dimensional. Cr5+ is bonded to six equivalent O2- atoms to form CrO6 octahedra that share corners with six equivalent BiO6 octahedra and edges with three equivalent TeO6 octahedra. The corner-sharing octahedral tilt angles are 54°. All Cr–O bond lengths are 2.02 Å. Bi3+ is bonded to six equivalent O2- atoms to form BiO6 octahedra that share corners with six equivalent CrO6 octahedra and corners with six equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 51–54°. All Bi–O bond lengths are 2.40 Å. Te4+ is bonded to six equivalent O2- atoms to form TeO6 octahedra that share corners with six equivalent BiO6 octahedra and edges with three equivalent CrO6 octahedra. The corner-sharing octahedral tilt angles are 51°. All Te–O bond lengths are 1.96 Å. O2- is bonded in a distorted trigonal planar geometry to one Cr5+, one Bi3+, and one Te4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Cs(TeO3)2 by Materials Project

Cs(TeO3)2 crystallizes in the cubic Fd-3m space group. The structure is three-dimensional. Cs is bonded to six equivalent O atoms to form CsO6 octahedra that share corners with twelve equivalent TeO6 octahedra. The corner-sharing octahedral tilt angles are 69°. All Cs–O bond lengths are 3.24 Å. Te is bonded to six equivalent O atoms to form TeO6 octahedra that share corners with six equivalent CsO6 octahedra and corners with six equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 42–69°. All Te–O bond lengths are 2.00 Å. O is bonded in a 2-coordinate geometry to one Cs and two equivalent Te atoms.

36 MATERIALS SCIENCE↗

Materials Data on NiTeO4 by Materials Project

NiTeO4 is trigonal omega-derived structured and crystallizes in the orthorhombic Imma space group. The structure is three-dimensional. Ni4+ is bonded to six O2- atoms to form NiO6 octahedra that share edges with two equivalent NiO6 octahedra and edges with four equivalent TeO6 octahedra. There are four shorter (2.09 Å) and two longer (2.15 Å) Ni–O bond lengths. Te4+ is bonded to six O2- atoms to form TeO6 octahedra that share edges with two equivalent TeO6 octahedra and edges with four equivalent NiO6 octahedra. There is two shorter (1.90 Å) and four longer (2.04 Å) Te–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted T-shaped geometry to one Ni4+ and two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Ni4+ and one Te4+ atom.

36 MATERIALS SCIENCE↗

Materials Data on TeO3 by Materials Project

TeO3 crystallizes in the orthorhombic Pna2_1 space group. The structure is three-dimensional. there are two inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with two equivalent TeO6 octahedra and corners with three equivalent TeO5 square pyramids. The corner-sharing octahedral tilt angles are 48°. There are a spread of Te–O bond distances ranging from 1.92–1.99 Å. In the second Te6+ site, Te6+ is bonded to five O2- atoms to form distorted TeO5 square pyramids that share corners with three equivalent TeO6 octahedra and corners with two equivalent TeO5 square pyramids. The corner-sharing octahedra tilt angles range from 42–54°. There are a spread of Te–O bond distances ranging from 1.89–2.59 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to two Te6+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Te6+ atoms. In the third O2- site, O2- is bonded in a bent 150 degrees geometry to two Te6+ atoms. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two equivalent Te6+ atoms. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two Te6+ atoms. In the sixth O2- site, O2- is bonded in a single-bond geometry to one Te6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on Fe3TeO8 by Materials Project

Fe3TeO8 is Rutile-derived structured and crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. Fe is bonded to six O atoms to form FeO6 octahedra that share corners with two equivalent TeO6 octahedra, an edgeedge with one TeO6 octahedra, and edges with four equivalent FeO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There are a spread of Fe–O bond distances ranging from 1.91–2.07 Å. Te is bonded to six O atoms to form TeO6 octahedra that share corners with six equivalent FeO6 octahedra and edges with three equivalent FeO6 octahedra. The corner-sharing octahedral tilt angles are 49°. There is three shorter (1.95 Å) and three longer (1.98 Å) Te–O bond length. There are four inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to two equivalent Fe and one Te atom. In the second O site, O is bonded in a distorted T-shaped geometry to two equivalent Fe and one Te atom. In the third O site, O is bonded in a trigonal non-coplanar geometry to three equivalent Fe atoms. In the fourth O site, O is bonded in a trigonal non-coplanar geometry to three equivalent Fe atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaTiTeO6 by Materials Project

LaTiTeO6 is beta Vanadium nitride-derived structured and crystallizes in the trigonal P3 space group. The structure is three-dimensional. La3+ is bonded to six O2- atoms to form LaO6 octahedra that share corners with six equivalent TiO6 octahedra and corners with six equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 51–54°. All La–O bond lengths are 2.48 Å. Ti3+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six equivalent LaO6 octahedra and edges with three equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 51–52°. All Ti–O bond lengths are 2.00 Å. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with six equivalent LaO6 octahedra and edges with three equivalent TiO6 octahedra. The corner-sharing octahedral tilt angles are 54°. There are three shorter (2.04 Å) and three longer (2.05 Å) Te–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one La3+, one Ti3+, and one Te6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one La3+, one Ti3+, and one Te6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on LaFeTeO6 by Materials Project

LaFeTeO6 is beta Vanadium nitride-derived structured and crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. La3+ is bonded to six O2- atoms to form LaO6 octahedra that share corners with six equivalent FeO6 octahedra and corners with six equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 49–56°. There are four shorter (2.45 Å) and two longer (2.50 Å) La–O bond lengths. Fe3+ is bonded to six O2- atoms to form FeO6 octahedra that share corners with six equivalent LaO6 octahedra and edges with three equivalent TeO6 octahedra. The corner-sharing octahedra tilt angles range from 54–56°. There are a spread of Fe–O bond distances ranging from 1.94–2.10 Å. Te6+ is bonded to six O2- atoms to form TeO6 octahedra that share corners with six equivalent LaO6 octahedra and edges with three equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 49–53°. There are a spread of Te–O bond distances ranging from 1.94–1.98 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one La3+, one Fe3+, and one Te6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to one La3+, one Fe3+, and one Te6+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one La3+, one Fe3+, and one Te6+ atom.

36 MATERIALS SCIENCE↗