Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Te2O5”

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.

5 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 MnCu(Te2O5)2 by Materials Project

MnCu(Te2O5)2 crystallizes in the tetragonal P4_2/nbc space group. The structure is three-dimensional. Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are four shorter (2.23 Å) and four longer (2.47 Å) Mn–O bond lengths. Cu2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are four shorter (2.01 Å) and two longer (2.61 Å) Cu–O bond lengths. Te4+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.92–2.23 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+ and two equivalent Te4+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+ and two equivalent Te4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn5Cu(Te2O5)6 by Materials Project

Mn5Cu(Te2O5)6 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eighteen inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.25–2.52 Å. In the second Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.25–2.52 Å. In the third Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.28–2.46 Å. In the fourth Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.27–2.45 Å. In the fifth Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.26–2.46 Å. In the sixth Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.27–2.45 Å. In the seventh Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.26–2.46 Å. In the eighth Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.27–2.45 Å. In the ninth Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.25–2.52 Å. In the tenth Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.25–2.52 Å. In the eleventh Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.28–2.46 Å. In the twelfth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 2.13–2.47 Å. In the thirteenth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 2.13–2.52 Å. In the fourteenth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are four shorter (2.13 Å) and two longer (2.52 Å) Mn–O bond lengths. In the fifteenth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are four shorter (2.14 Å) and two longer (2.52 Å) Mn–O bond lengths. In the sixteenth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 2.14–2.46 Å. In the seventeenth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 2.14–2.46 Å. In the eighteenth Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are a spread of Mn–O bond distances ranging from 2.14–2.46 Å. There are three inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Cu–O bond distances ranging from 2.00–2.63 Å. In the second Cu2+ site, Cu2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are four shorter (2.00 Å) and two longer (2.61 Å) Cu–O bond lengths. In the third Cu2+ site, Cu2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are four shorter (2.01 Å) and two longer (2.55 Å) Cu–O bond lengths. There are thirty-one 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 1.92–2.28 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 1.91–2.28 Å. In the third 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 1.92–2.28 Å. 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 1.92–2.29 Å. In the fifth 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 1.92–2.27 Å. In the sixth 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 1.92–2.28 Å. In the seventh 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 1.91–2.26 Å. In the eighth 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 1.91–2.26 Å. In the ninth 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 1.91–2.27 Å. In the tenth 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 1.91–2.27 Å. In the eleventh 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 1.91–2.26 Å. In the twelfth 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 1.91–2.27 Å. In the thirteenth 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 1.91–2.27 Å. In the fourteenth 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 1.91–2.26 Å. In the fifteenth 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 1.91–2.27 Å. In the sixteenth 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 1.91–2.27 Å. In the seventeenth 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 1.91–2.27 Å. In the eighteenth 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 1.91–2.26 Å. In the nineteenth 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 1.91–2.27 Å. In the twentieth 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 1.91–2.27 Å. In the twenty-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 1.91–2.26 Å. In the twenty-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 1.91–2.28 Å. In the twenty-third 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 1.91–2.27 Å. In the twenty-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 1.91–2.27 Å. In the twenty-fifth 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 1.91–2.26 Å. In the twenty-sixth 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 1.91–2.26 Å. In the twenty-seventh 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 1.91–2.27 Å. In the twenty-eighth 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 1.91–2.28 Å. In the twenty-ninth 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 1.92–2.28 Å. In the thirtieth 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 1.92–2.29 Å. In the thirty-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 1.92–2.28 Å. There are one hundred and nineteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. The O–Cu bond length is 2.00 Å. The O–Te bond length is 1.92 Å. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. The O–Te bond length is 1.92 Å. In the third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. There are one shorter (2.14 Å) and one longer (2.27 Å) O–Mn bond lengths. The O–Te bond length is 1.91 Å. In the fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. The O–Te bond length is 1.92 Å. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. The O–Te bond length is 1.91 Å. In the seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. There are one shorter (2.14 Å) and one longer (2.27 Å) O–Mn bond lengths. The O–Te bond length is 1.91 Å. In the eighth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. In the ninth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the tenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. The O–Cu bond length is 2.00 Å. In the eleventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. In the twelfth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom. In the thirteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the fourteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the fifteenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one Te4+ atom. In the seventeenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one Te4+ atom. In the eighteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one Te4+ atom. In the nineteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one Te4+ atom. In the twentieth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. The O–Te bond length is 1.91 Å. In the twenty-first O2- site, O2- is bonded in a 3-coordinate geometry to two Mn2+ and one Te4+ atom. In the twenty-second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the twenty-third O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the twenty-fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the twenty-fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the twenty-sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the twenty

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn3Cu(Te2O5)4 by Materials Project

Mn3Cu(Te2O5)4 crystallizes in the tetragonal P-4b2 space group. The structure is three-dimensional. there are two inequivalent Mn2+ sites. In the first Mn2+ site, Mn2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Mn–O bond distances ranging from 2.26–2.47 Å. In the second Mn2+ site, Mn2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are four shorter (2.14 Å) and two longer (2.48 Å) Mn–O bond lengths. Cu2+ is bonded in a distorted octahedral geometry to six O2- atoms. There are four shorter (2.00 Å) and two longer (2.57 Å) Cu–O bond lengths. 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 1.91–2.26 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 1.92–2.28 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Mn2+ and two Te4+ atoms. In the second O2- site, O2- is bonded in a 1-coordinate geometry to one Mn2+ and two Te4+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Cu2+ and two equivalent Te4+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Mn2+ and one Te4+ atom. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to one Mn2+ and two equivalent Te4+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Mn2+, one Cu2+, and one Te4+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Bi4Te2Br2O9 by Materials Project

Bi4Te2O9Br2 crystallizes in the tetragonal P4mm space group. The structure is two-dimensional and consists of one Bi2O2Br sheet oriented in the (0, 0, 1) direction and one Te2O5 sheet oriented in the (0, 0, 1) direction. In the Bi2O2Br sheet, there are three inequivalent Bi3+ sites. In the first Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four equivalent O2- and four equivalent Br1- atoms. All Bi–O bond lengths are 2.35 Å. All Bi–Br bond lengths are 3.30 Å. In the second Bi3+ site, Bi3+ is bonded in a 10-coordinate geometry to four equivalent O2- atoms. All Bi–O bond lengths are 2.36 Å. In the third Bi3+ site, Bi3+ is bonded in a 4-coordinate geometry to four equivalent O2- and four equivalent Br1- atoms. All Bi–O bond lengths are 2.34 Å. All Bi–Br bond lengths are 3.23 Å. O2- is bonded to four Bi3+ atoms to form a mixture of corner and edge-sharing OBi4 tetrahedra. Br1- is bonded in a 12-coordinate geometry to four Bi3+ atoms. In the Te2O5 sheet, there are two inequivalent Te4+ sites. In the first Te4+ site, Te4+ is bonded in a square pyramidal geometry to five O2- atoms. There are one shorter (1.91 Å) and four longer (2.10 Å) Te–O bond lengths. In the second Te4+ site, Te4+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Te–O bond lengths are 1.97 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a linear geometry to two Te4+ atoms. In the second O2- site, O2- is bonded in a single-bond geometry to one Te4+ atom.

36 MATERIALS SCIENCE↗