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 217 records · Page 12

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 orthorhombic Pmn2_1 space group. The structure is three-dimensional. there are three inequivalent Fe+2.40+ sites. In the first Fe+2.40+ site, Fe+2.40+ is bonded to one O2- and five F1- atoms to form a mixture of corner and edge-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 39–54°. The Fe–O bond length is 1.93 Å. There are a spread of Fe–F bond distances ranging from 2.07–2.09 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 corner and edge-sharing FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 49–54°. The Fe–O bond length is 2.05 Å. There are a spread of Fe–F bond distances ranging from 2.08–2.21 Å. In the third Fe+2.40+ site, Fe+2.40+ is bonded to two equivalent O2- and four F1- atoms to form a mixture of corner and edge-sharing FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 39–51°. Both Fe–O bond lengths are 1.89 Å. There are two shorter (2.04 Å) and two longer (2.19 Å) Fe–F bond lengths. O2- is bonded in a distorted trigonal planar geometry to three Fe+2.40+ atoms. There are five inequivalent F1- sites. In the first F1- site, F1- is bonded in a distorted 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 T-shaped geometry to three Fe+2.40+ atoms. In the fourth F1- site, F1- is bonded in a distorted 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.

36 MATERIALS SCIENCE↗

Materials Data on Fe10O9F11 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 FeOF by Materials Project

FeOF is Hydrophilite-derived structured and crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are eighteen inequivalent Fe3+ sites. In the first Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 46–55°. All Fe–O bond lengths are 1.93 Å. There are one shorter (2.14 Å) and two longer (2.15 Å) Fe–F bond lengths. In the second Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 47–53°. There is one shorter (1.92 Å) and two longer (1.94 Å) Fe–O bond length. There are two shorter (2.12 Å) and one longer (2.16 Å) Fe–F bond lengths. In the third Fe3+ site, Fe3+ is bonded to four O2- and two equivalent F1- atoms to form FeO4F2 octahedra that share corners with eight FeO3F3 octahedra and edges with two equivalent FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 45–55°. There are a spread of Fe–O bond distances ranging from 1.94–2.07 Å. Both Fe–F bond lengths are 2.19 Å. In the fourth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 48–55°. There is one shorter (1.93 Å) and two longer (1.95 Å) Fe–O bond length. There are two shorter (2.09 Å) and one longer (2.22 Å) Fe–F bond lengths. In the fifth Fe3+ site, Fe3+ is bonded to four O2- and two equivalent F1- atoms to form FeO4F2 octahedra that share corners with eight FeOF5 octahedra and edges with two equivalent FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 44–54°. There are a spread of Fe–O bond distances ranging from 1.94–2.01 Å. Both Fe–F bond lengths are 2.23 Å. In the sixth Fe3+ site, Fe3+ is bonded to two equivalent O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO3F3 octahedra and edges with two equivalent FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 45–55°. Both Fe–O bond lengths are 1.89 Å. There are a spread of Fe–F bond distances ranging from 2.00–2.18 Å. In the seventh Fe3+ site, Fe3+ is bonded to two equivalent O2- and four F1- atoms to form FeO2F4 octahedra that share corners with eight FeO3F3 octahedra and edges with two equivalent FeO2F4 octahedra. The corner-sharing octahedra tilt angles range from 45–53°. Both Fe–O bond lengths are 1.93 Å. There are one shorter (2.03 Å) and three longer (2.09 Å) Fe–F bond lengths. In the eighth Fe3+ site, Fe3+ is bonded to five O2- and one F1- atom to form FeO5F octahedra that share corners with eight FeO3F3 octahedra and edges with two equivalent FeO5F octahedra. The corner-sharing octahedra tilt angles range from 49–54°. There are a spread of Fe–O bond distances ranging from 1.99–2.03 Å. The Fe–F bond length is 2.22 Å. In the ninth Fe3+ site, Fe3+ is bonded to one O2- and five F1- atoms to form FeOF5 octahedra that share corners with eight FeO3F3 octahedra and edges with two equivalent FeOF5 octahedra. The corner-sharing octahedra tilt angles range from 44–52°. The Fe–O bond length is 1.93 Å. There are a spread of Fe–F bond distances ranging from 2.00–2.08 Å. In the tenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form FeO3F3 octahedra that share corners with eight FeOF5 octahedra and edges with two equivalent FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 48–54°. There is two shorter (1.91 Å) and one longer (1.93 Å) Fe–O bond length. There are two shorter (2.16 Å) and one longer (2.17 Å) Fe–F bond lengths. In the eleventh Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of distorted edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 45–55°. There is one shorter (1.92 Å) and two longer (1.94 Å) Fe–O bond length. There are two shorter (2.17 Å) and one longer (2.24 Å) Fe–F bond lengths. In the twelfth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form FeO3F3 octahedra that share corners with eight FeOF5 octahedra and edges with two equivalent FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 46–53°. There is two shorter (1.95 Å) and one longer (1.98 Å) Fe–O bond length. There are one shorter (2.09 Å) and two longer (2.11 Å) Fe–F bond lengths. In the thirteenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 47–54°. All Fe–O bond lengths are 1.95 Å. There are two shorter (2.13 Å) and one longer (2.18 Å) Fe–F bond lengths. In the fourteenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 47–55°. There is two shorter (1.93 Å) and one longer (1.96 Å) Fe–O bond length. All Fe–F bond lengths are 2.12 Å. In the fifteenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 46–55°. There is two shorter (1.93 Å) and one longer (1.95 Å) Fe–O bond length. There are one shorter (2.12 Å) and two longer (2.16 Å) Fe–F bond lengths. In the sixteenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 47–54°. There is two shorter (1.94 Å) and one longer (1.95 Å) Fe–O bond length. There are one shorter (2.10 Å) and two longer (2.13 Å) Fe–F bond lengths. In the seventeenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 47–55°. There is two shorter (1.93 Å) and one longer (1.96 Å) Fe–O bond length. There are one shorter (2.14 Å) and two longer (2.15 Å) Fe–F bond lengths. In the eighteenth Fe3+ site, Fe3+ is bonded to three O2- and three F1- atoms to form a mixture of edge and corner-sharing FeO3F3 octahedra. The corner-sharing octahedra tilt angles range from 45–53°. There is two shorter (1.94 Å) and one longer (1.97 Å) Fe–O bond length. There are one shorter (2.11 Å) and two longer (2.15 Å) Fe–F bond lengths. There are eighteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the second O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the third O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the fourth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the fifth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe3+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Fe3+ atoms. In the eighth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the ninth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the tenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the eleventh O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the twelfth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the thirteenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the fourteenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the fifteenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the sixteenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the seventeenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. In the eighteenth O2- site, O2- is bonded in a trigonal planar geometry to three Fe3+ atoms. There are eighteen inequivalent F1- sites. In the first F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the second F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the third F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the fourth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the fifth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the sixth F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe3+ atoms. In the seventh F1- site, F1- is bonded in a distorted trigonal planar geometry to three Fe3+ atoms. In the eighth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the ninth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the tenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the eleventh F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the twelfth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the thirteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the fourteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the fifteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the sixteenth F1- site, F1- is bonded in a distorted T-shaped geometry to three Fe3+ atoms. In the seventeenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms. In the eighteenth F1- site, F1- is bonded in a 3-coordinate geometry to three Fe3+ atoms.

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 Fe4O5F3 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 Fe3O5F by Materials Project

Fe3O5F is Hydrophilite-derived structured and crystallizes in the orthorhombic Pmn2_1 space group. The structure is three-dimensional. there are three inequivalent Fe sites. In the first Fe site, Fe is bonded to six O atoms to form FeO6 octahedra that share corners with eight FeO5F octahedra and edges with two equivalent FeO6 octahedra. The corner-sharing octahedra tilt angles range from 49–51°. There are a spread of Fe–O bond distances ranging from 1.84–1.90 Å. In the second Fe site, Fe is bonded to five O and one F atom to form FeO5F octahedra that share corners with eight FeO6 octahedra and edges with two equivalent FeO5F octahedra. The corner-sharing octahedra tilt angles range from 46–51°. There are a spread of Fe–O bond distances ranging from 1.89–1.93 Å. The Fe–F bond length is 2.13 Å. In the third Fe site, Fe is bonded to four O and two equivalent F atoms to form FeO4F2 octahedra that share corners with eight FeO6 octahedra and edges with two equivalent FeO4F2 octahedra. The corner-sharing octahedra tilt angles range from 46–51°. There is two shorter (1.95 Å) and two longer (1.99 Å) Fe–O bond length. Both Fe–F bond lengths are 2.05 Å. There are five 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 distorted 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. F is bonded in a distorted T-shaped geometry to three Fe atoms.

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 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 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 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 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 Fe10O9F11 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

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 Fe10O9F11 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 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 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 Fe4O5F3 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↗