Search NASA⌕ Search

SEARCH · Search NASA

Results for “O-Te”

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 19 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Te2O5 by Materials Project

Te2O5 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are two inequivalent Te5+ sites. In the first Te5+ site, Te5+ 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 1.90–2.11 Å. In the second Te5+ site, Te5+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 44–46°. There are a spread of Te–O bond distances ranging from 1.89–2.00 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 Te5+ atoms. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Te5+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two Te5+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Te5+ atoms. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Te5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 crystallizes in the orthorhombic Pbca space group. The structure is two-dimensional and consists of two TeO2 sheets oriented in the (0, 0, 1) direction. Te4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.93–2.71 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to three equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 is Rutile structured and crystallizes in the tetragonal P4_2/mnm space group. The structure is three-dimensional. Te4+ is bonded to six equivalent O2- atoms to form a mixture of corner and edge-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 50°. There are two shorter (2.18 Å) and four longer (2.23 Å) Te–O bond lengths. O2- is bonded in a distorted trigonal planar geometry to three equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO3 by Materials Project

TeO3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Te6+ is bonded to six equivalent O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 41°. All Te–O bond lengths are 1.95 Å. O2- is bonded in a bent 150 degrees geometry to two equivalent Te6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Te4O9 by Materials Project

Te4O9 crystallizes in the trigonal R-3 space group. The structure is two-dimensional and consists of three Te4O9 sheets oriented in the (0, 0, 1) direction. there are two inequivalent Te+4.50+ sites. In the first Te+4.50+ site, Te+4.50+ 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 1.93–2.15 Å. In the second Te+4.50+ site, Te+4.50+ is bonded in an octahedral geometry to six O2- atoms. There is three shorter (1.94 Å) and three longer (1.99 Å) Te–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Te+4.50+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent Te+4.50+ atoms. In the third O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Te+4.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 crystallizes in the tetragonal P4_32_12 space group. The structure is three-dimensional. Te4+ is bonded in a 4-coordinate geometry to four equivalent O2- atoms. There are two shorter (1.91 Å) and two longer (2.16 Å) Te–O bond lengths. O2- is bonded in a 2-coordinate geometry to two equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 crystallizes in the tetragonal P4_12_12 space group. The structure is three-dimensional. Te4+ is bonded in a 4-coordinate geometry to four equivalent O2- atoms. There are two shorter (1.91 Å) and two longer (2.16 Å) Te–O bond lengths. O2- is bonded in a 2-coordinate geometry to two equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Te4+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.91–2.17 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO3 by Materials Project

TeO3 crystallizes in the orthorhombic Pnna space group. The structure is three-dimensional. Te6+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 43°. There is four shorter (1.95 Å) and two longer (2.00 Å) Te–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two equivalent Te6+ atoms. In the second O2- site, O2- is bonded in a water-like geometry to two equivalent Te6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. Te4+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.88–2.79 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to three equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO3 by Materials Project

TeO3 crystallizes in the hexagonal P6_3/mmc space group. The structure is two-dimensional and consists of two TeO3 sheets oriented in the (0, 0, 1) direction. Te6+ is bonded to five O2- atoms to form corner-sharing TeO5 trigonal bipyramids. There is two shorter (1.80 Å) and three longer (2.18 Å) Te–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one Te6+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to three equivalent Te6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO3 by Materials Project

TeO3 crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. Te6+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedra tilt angles range from 38–39°. There is two shorter (1.94 Å) and four longer (1.95 Å) Te–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te6+ atoms. 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 bent 150 degrees geometry to two equivalent Te6+ atoms. In the fourth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te6+ atoms. In the fifth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te6+ atoms. In the sixth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO3 by Materials Project

TeO3 crystallizes in the monoclinic C2/c space group. The structure is one-dimensional and consists of four hydrogen peroxide molecules and two TeO ribbons oriented in the (0, 0, 1) direction. In each TeO ribbon, Te6+ is bonded in a linear geometry to two equivalent O2- atoms. Both Te–O bond lengths are 2.12 Å. O2- is bonded in an L-shaped geometry to two equivalent Te6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

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↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 crystallizes in the monoclinic P2_1/m space group. The structure is one-dimensional and consists of one TeO2 ribbon oriented in the (0, 1, 0) direction. there are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.90–2.30 Å. In the second Te4+ site, Te4+ is bonded to five O2- atoms to form a mixture of distorted corner and edge-sharing TeO5 trigonal bipyramids. There are a spread of Te–O bond distances ranging from 2.07–2.12 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Te4+ atom. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Te4+ atoms. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Te4+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO2 by Materials Project

TeO2 is Cotunnite structured and crystallizes in the orthorhombic Pnma space group. The structure is two-dimensional and consists of two TeO2 sheets oriented in the (0, 0, 1) direction. Te4+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Te–O bond distances ranging from 1.93–2.49 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to three equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO4 by Materials Project

TeO4 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of one TeO4 sheet oriented in the (0, 0, 1) direction. Te is bonded to six O atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 46°. There is two shorter (1.95 Å) and four longer (1.96 Å) Te–O bond length. There are two inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Te atom. In the second O site, O is bonded in a distorted bent 120 degrees geometry to two equivalent Te atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TeO6 by Materials Project

TeO6 is Copper structured and crystallizes in the cubic Fm-3m space group. The structure is zero-dimensional and consists of four TeO6 clusters. Te is bonded in an octahedral geometry to six equivalent O atoms. All Te–O bond lengths are 1.97 Å. O is bonded in a single-bond geometry to one Te atom.

36 MATERIALS SCIENCE↗