Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “F-Fe-O”

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 199 records · Page 11

Materials Data on Fe4O3F5 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe3OF5 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe4O3F5 by Materials Project

Fe4O3F5 is zeta iron carbide-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Fe+2.75+ sites. In the first Fe+2.75+ site, Fe+2.75+ is bonded to three O2- and three F1- atoms to form FeO3F3 octahedra that share corners with eight FeOF5 octahedra and edges with two FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 42–55°. There are a spread of Fe–O bond distances ranging from 1.90–2.05 Å. There are a spread of Fe–F bond distances ranging from 2.00–2.25 Å. In the second Fe+2.75+ site, Fe+2.75+ is bonded to three O2- and three F1- atoms to form FeO3F3 octahedra that share corners with eight FeOF5 octahedra and edges with two FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 34–59°. All Fe–O bond lengths are 1.94 Å. There are a spread of Fe–F bond distances ranging from 2.10–2.27 Å. In the third Fe+2.75+ site, Fe+2.75+ is bonded to two O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeOF5 octahedra and edges with two FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 44–53°. There is one shorter (1.91 Å) and one longer (2.01 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 1.99–2.17 Å. In the fourth Fe+2.75+ site, Fe+2.75+ is bonded to three O2- and three F1- atoms to form distorted FeO3F3 octahedra that share corners with eight FeOF5 octahedra and edges with two FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 44–60°. There are a spread of Fe–O bond distances ranging from 1.90–1.95 Å. There are two shorter (2.21 Å) and one longer (2.22 Å) Fe–F bond lengths. In the fifth Fe+2.75+ site, Fe+2.75+ is bonded to one O2- and five F1- atoms to form FeOF5 octahedra that share corners with eight FeO3F3 octahedra and edges with two FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 34–51°. The Fe–O bond length is 1.85 Å. There are a spread of Fe–F bond distances ranging from 1.98–2.17 Å. In the sixth Fe+2.75+ site, Fe+2.75+ is bonded to two O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO3F3 octahedra and edges with two FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 42–60°. There is one shorter (1.93 Å) and one longer (1.95 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.02–2.09 Å. In the seventh Fe+2.75+ site, Fe+2.75+ is bonded to two O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO3F3 octahedra and edges with two FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 48–59°. Both Fe–O bond lengths are 2.06 Å. There are a spread of Fe–F bond distances ranging from 2.11–2.21 Å. In the eighth Fe+2.75+ site, Fe+2.75+ is bonded to two O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO3F3 octahedra and edges with two FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 45–55°. There are one shorter (1.98 Å) and one longer (2.06 Å) Fe–O bond lengths. There are a spread of Fe–F bond distances ranging from 2.13–2.18 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe+2.75+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe+2.75+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to three Fe+2.75+ atoms. In the fifth O2- site, O2- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to three Fe+2.75+ atoms. There are ten inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.75+ atoms. In the third F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the fourth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the fifth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the sixth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the seventh F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the eighth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.75+ atoms. In the ninth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms. In the tenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe+2.75+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Fe2O3F by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe3(O2F)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe2O3F by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe6O5F7 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe3(O2F)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe6O5F7 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe4OF7 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe10O11F9 by Materials Project

Fe10O11F9 is Hydrophilite-derived structured and crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are ten inequivalent Fe sites. In the first Fe site, Fe is bonded to three O and three F atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There are a spread of Fe–O bond distances ranging from 1.92–1.97 Å. There are a spread of Fe–F bond distances ranging from 2.06–2.16 Å. In the second Fe site, Fe is bonded to three O and three F atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 46–55°. There is one shorter (1.93 Å) and two longer (1.96 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.03–2.15 Å. In the third Fe site, Fe is bonded to four O and two F atoms to form FeO4F2 octahedra that share corners with eight FeO4F2 octahedra and edges with two FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 47–58°. There are a spread of Fe–O bond distances ranging from 1.93–2.01 Å. Both Fe–F bond lengths are 2.14 Å. In the fourth Fe site, Fe is bonded to three O and three F atoms to form FeO3F3 octahedra that share corners with eight FeO3F3 octahedra and edges with two FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 43–55°. All Fe–O bond lengths are 1.94 Å. There are two shorter (2.11 Å) and one longer (2.16 Å) Fe–F bond lengths. In the fifth Fe site, Fe is bonded to three O and three F atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 45–56°. All Fe–O bond lengths are 1.93 Å. There are a spread of Fe–F bond distances ranging from 2.13–2.16 Å. In the sixth Fe site, Fe is bonded to three O and three F atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 48–53°. There is one shorter (1.92 Å) and two longer (1.95 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.03–2.25 Å. In the seventh Fe site, Fe is bonded to four O and two F atoms to form FeO4F2 octahedra that share corners with eight FeO4F2 octahedra and edges with two FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 43–55°. There are a spread of Fe–O bond distances ranging from 1.95–2.00 Å. There are one shorter (2.16 Å) and one longer (2.17 Å) Fe–F bond lengths. In the eighth Fe site, Fe is bonded to four O and two F atoms to form a mixture of edge and corner-sharing FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 46–58°. There is three shorter (1.95 Å) and one longer (1.96 Å) Fe–O bond length. There are one shorter (2.16 Å) and one longer (2.21 Å) Fe–F bond lengths. In the ninth Fe site, Fe is bonded to three O and three F atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 45–56°. There are a spread of Fe–O bond distances ranging from 1.92–1.96 Å. There are a spread of Fe–F bond distances ranging from 2.10–2.17 Å. In the tenth Fe site, Fe is bonded to three O and three F atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 45–56°. There is two shorter (1.94 Å) and one longer (1.95 Å) Fe–O bond length. There are a spread of Fe–F bond distances ranging from 2.07–2.22 Å. There are eleven inequivalent O sites. In the first O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the second O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the third O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the fourth O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the fifth O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the sixth O site, O is bonded in a distorted trigonal planar geometry to three Fe atoms. In the seventh O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the eighth O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the ninth O site, O is bonded in a trigonal planar geometry to three Fe atoms. In the tenth O site, O is bonded in a distorted T-shaped geometry to three Fe atoms. In the eleventh O site, O is bonded in a trigonal planar geometry to three Fe atoms. There are nine inequivalent F sites. In the first F site, F is bonded in a distorted trigonal planar geometry to three Fe atoms. In the second F site, F is bonded in a distorted trigonal planar geometry to three Fe atoms. In the third F site, F is bonded in a distorted trigonal planar geometry to three Fe atoms. In the fourth F site, F is bonded in a distorted trigonal planar geometry to three Fe atoms. In the fifth F site, F is bonded in a distorted trigonal planar geometry to three Fe atoms. In the sixth F site, F is bonded in a distorted T-shaped geometry to three Fe atoms. In the seventh F site, F is bonded in a distorted T-shaped geometry to three Fe atoms. In the eighth F site, F is bonded in a distorted trigonal planar geometry to three Fe atoms. In the ninth F site, F is bonded in a distorted T-shaped geometry to three Fe atoms.

36 MATERIALS SCIENCE↗

Materials Data on FeOF by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe5(OF4)2 by Materials Project

Fe5(OF4)2 is Hydrophilite-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are six inequivalent Fe+2.40+ sites. In the first Fe+2.40+ site, Fe+2.40+ is bonded to two equivalent O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO2F4 octahedra and edges with two equivalent FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 40–60°. Both Fe–O bond lengths are 1.97 Å. All Fe–F bond lengths are 2.08 Å. In the second Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of edge and corner-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 43–55°. The Fe–O bond length is 2.05 Å. There are a spread of Fe–F bond distances ranging from 2.06–2.21 Å. In the third Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of edge and corner-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 43–59°. The Fe–O bond length is 2.04 Å. There are a spread of Fe–F bond distances ranging from 2.04–2.20 Å. In the fourth Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of edge and corner-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 46–55°. The Fe–O bond length is 1.82 Å. There are a spread of Fe–F bond distances ranging from 2.00–2.10 Å. In the fifth Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of distorted edge and corner-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 43–60°. The Fe–O bond length is 2.09 Å. There are a spread of Fe–F bond distances ranging from 2.01–2.36 Å. In the sixth Fe+2.40+ site, Fe+2.40+ is bonded to two equivalent O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO2F4 octahedra and edges with two equivalent FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 40–52°. Both Fe–O bond lengths are 1.97 Å. There are two shorter (2.02 Å) and two longer (2.08 Å) Fe–F bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. There are eight inequivalent F1- sites. In the first F1- site, F1- is bonded in a trigonal planar geometry to three Fe+2.40+ atoms. In the second F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the third F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the fourth F1- site, F1- is bonded in a trigonal planar geometry to three Fe+2.40+ atoms. In the fifth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the sixth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the seventh F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. In the eighth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms.

36 MATERIALS SCIENCE↗

Materials Data on Fe3(O2F)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe5(OF4)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe6O7F5 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe3(O2F)2 by Materials Project

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

36 MATERIALS SCIENCE↗

Materials Data on Fe3(OF3)2 by Materials Project

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

36 MATERIALS SCIENCE↗