Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “O-Pb-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.

7 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Te3(PbO4)2 by Materials Project

Pb2Te3O8 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. there are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.42–3.10 Å. In the second Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.42–3.14 Å. There are four inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a 3-coordinate geometry to three O2- atoms. There is one shorter (1.90 Å) and two longer (1.93 Å) Te–O bond length. In the second 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 1.89–2.37 Å. In the third Te4+ site, Te4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There is two shorter (1.89 Å) and one longer (1.92 Å) Te–O bond length. In the fourth Te4+ site, Te4+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are two shorter (1.88 Å) and two longer (2.18 Å) Te–O bond lengths. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one Pb2+ and one Te4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Pb2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to one Pb2+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and two Te4+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Te4+ atoms. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to four Pb2+ and one Te4+ atom. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TePbO3 by Materials Project

PbTeO3 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. there are three inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.30–3.02 Å. In the second Pb2+ site, Pb2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pb–O bond distances ranging from 2.42–3.22 Å. In the third Pb2+ site, Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.34–3.26 Å. There are three 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 1.90–1.92 Å. In the second Te4+ site, Te4+ is bonded in a 4-coordinate geometry to three O2- atoms. There is two shorter (1.90 Å) and one longer (1.92 Å) Te–O bond length. In the third 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 1.89–1.92 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 120 degrees geometry to three Pb2+ and one Te4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Pb2+ and one Te4+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Pb2+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to two Pb2+ and one Te4+ atom. In the eighth O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Pb2+ and one Te4+ atom. In the ninth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Te4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TePbO3 by Materials Project

PbTeO3 crystallizes in the tetragonal P4_1 space group. The structure is three-dimensional. Pb2+ is bonded to six O2- atoms to form a mixture of distorted edge and corner-sharing PbO6 pentagonal pyramids. There are a spread of Pb–O bond distances ranging from 2.28–2.75 Å. Te4+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of Te–O bond distances ranging from 1.90–1.92 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Pb2+ and one Te4+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Pb2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Pb2+ and one Te4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TePb2O5 by Materials Project

Pb2TeO5 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.42–3.07 Å. In the second Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.39–3.08 Å. In the third Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.41–3.09 Å. In the fourth Pb2+ site, Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.39–3.10 Å. There are two inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 43°. There are a spread of Te–O bond distances ranging from 1.93–2.06 Å. In the second Te6+ site, Te6+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 43°. There are a spread of Te–O bond distances ranging from 1.93–2.06 Å. There are ten inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to three Pb2+ and one Te6+ atom. In the ninth O2- site, O2- is bonded in a 2-coordinate geometry to two Pb2+ and two Te6+ atoms. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to two Pb2+ and two Te6+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TePb5O8 by Materials Project

Pb5TeO8 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are five inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.30–2.84 Å. In the second Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.32–2.73 Å. In the third Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.25–3.17 Å. In the fourth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.26–3.14 Å. In the fifth Pb2+ site, Pb2+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Pb–O bond distances ranging from 2.25–2.80 Å. Te6+ is bonded in an octahedral geometry to six O2- atoms. There are a spread of Te–O bond distances ranging from 1.93–2.01 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 4-coordinate geometry to three Pb2+ and one Te6+ atom. In the second O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of edge and corner-sharing OPb4 tetrahedra. In the third O2- site, O2- is bonded to four Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb4 tetrahedra. In the fourth O2- site, O2- is bonded in a 1-coordinate geometry to four Pb2+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to two Pb2+ and one Te6+ atom. In the sixth O2- site, O2- is bonded in a distorted single-bond geometry to two Pb2+ and one Te6+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to three Pb2+ and one Te6+ atom. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to three Pb2+ and one Te6+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Te5PbO11 by Materials Project

PbTe5O11 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pb2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pb–O bond distances ranging from 2.51–3.14 Å. There are five 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 1.91–2.16 Å. In the second 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 1.87–2.49 Å. In the third Te4+ site, Te4+ is bonded in a 5-coordinate geometry to three O2- atoms. There is two shorter (1.95 Å) and one longer (1.99 Å) Te–O bond length. In the fourth 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 1.89–2.19 Å. In the fifth Te4+ site, Te4+ is bonded in a 4-coordinate geometry to five O2- atoms. There are a spread of Te–O bond distances ranging from 1.88–2.79 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded in a water-like geometry to two Te4+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Pb2+ and one Te4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Te4+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to three Te4+ atoms. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two Te4+ atoms. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to one Pb2+ and one Te4+ atom. In the seventh O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Te4+ atoms. In the eighth O2- site, O2- is bonded in a bent 150 degrees geometry to two Te4+ atoms. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Pb2+ and one Te4+ atom. In the tenth O2- site, O2- is bonded in a 2-coordinate geometry to one Pb2+ and three Te4+ atoms. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Pb2+ and two Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TePb2O5 by Materials Project

Pb2TeO5 crystallizes in the monoclinic C2/c space group. The structure is three-dimensional. Pb2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Pb–O bond distances ranging from 2.40–3.14 Å. Te6+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. The corner-sharing octahedral tilt angles are 42°. There are a spread of Te–O bond distances ranging from 1.93–2.06 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Pb2+ and one Te6+ atom. In the second O2- site, O2- is bonded in a 1-coordinate geometry to three equivalent Pb2+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 2-coordinate geometry to two equivalent Pb2+ and two equivalent Te6+ atoms.

36 MATERIALS SCIENCE↗