SEARCH · Engineering Papers

Results for “Mn4O7F”

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.

SourceResearch connectionFrom yearThrough year

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

9 records

All sources NASA NTRS DOE OSTI

DOE OSTI2020

Materials Data on Mn4O7F by Materials Project

Mn4O7F is zeta iron carbide-derived structured and crystallizes in the monoclinic P2_1 space group. The structure is three-dimensional. there are four inequivalent Mn+3.75+ sites. In the first Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of edge and corner-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There are a spread of Mn–O bond distances ranging from 1.94–1.96 Å. The Mn–F bond length is 2.16 Å. In the second Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of edge and corner-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 50–54°. There are a spread of Mn–O bond distances ranging from 1.93–2.01 Å. The Mn–F bond length is 2.05 Å. In the third Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO5F octahedra and edges with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 49–55°. There are a spread of Mn–O bond distances ranging from 1.89–1.95 Å. The Mn–F bond length is 2.03 Å. In the fourth Mn+3.75+ site, Mn+3.75+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing MnO6 octahedra. The corner-sharing octahedra tilt angles range from 49–54°. There are a spread of Mn–O bond distances ranging from 1.93–2.00 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to three Mn+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. F1- is bonded in a 3-coordinate geometry to three Mn+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Mn4O7F by Materials Project

Mn4O7F is zeta iron carbide-derived structured and crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are four inequivalent Mn+3.75+ sites. In the first Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO5F octahedra and edges with two MnO6 octahedra. The corner-sharing octahedra tilt angles range from 49–56°. There are a spread of Mn–O bond distances ranging from 1.93–1.96 Å. The Mn–F bond length is 2.15 Å. In the second Mn+3.75+ site, Mn+3.75+ is bonded to six O2- atoms to form a mixture of corner and edge-sharing MnO6 octahedra. The corner-sharing octahedra tilt angles range from 49–53°. There are a spread of Mn–O bond distances ranging from 1.92–2.02 Å. In the third Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO5F octahedra and edges with two MnO6 octahedra. The corner-sharing octahedra tilt angles range from 48–55°. There are a spread of Mn–O bond distances ranging from 1.89–1.95 Å. The Mn–F bond length is 2.03 Å. In the fourth Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of corner and edge-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 48–56°. There are a spread of Mn–O bond distances ranging from 1.89–2.00 Å. The Mn–F bond length is 2.01 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to three Mn+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the sixth O2- site, O2- is bonded in a trigonal planar geometry to three Mn+3.75+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. F1- is bonded in a 3-coordinate geometry to three Mn+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Mn4O7F by Materials Project

Mn4O7F is zeta iron carbide-derived structured and crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are four inequivalent Mn+3.75+ sites. In the first Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of edge and corner-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 49–54°. There are a spread of Mn–O bond distances ranging from 1.93–1.96 Å. The Mn–F bond length is 2.14 Å. In the second Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of edge and corner-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 49–54°. There are a spread of Mn–O bond distances ranging from 1.90–2.01 Å. The Mn–F bond length is 2.05 Å. In the third Mn+3.75+ site, Mn+3.75+ is bonded to six O2- atoms to form a mixture of edge and corner-sharing MnO6 octahedra. The corner-sharing octahedra tilt angles range from 50–54°. There are a spread of Mn–O bond distances ranging from 1.91–1.98 Å. In the fourth Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form MnO5F octahedra that share corners with eight MnO5F octahedra and edges with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 49–54°. There are a spread of Mn–O bond distances ranging from 1.88–1.95 Å. The Mn–F bond length is 2.00 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a trigonal planar geometry to three Mn+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. F1- is bonded in a 3-coordinate geometry to three Mn+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Mn4O7F by Materials Project

Mn4O7F is zeta iron carbide-derived structured and crystallizes in the monoclinic Pc space group. The structure is three-dimensional. there are four inequivalent Mn+3.75+ sites. In the first Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of corner and edge-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 48–56°. There are a spread of Mn–O bond distances ranging from 1.94–1.99 Å. The Mn–F bond length is 2.15 Å. In the second Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of corner and edge-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 48–55°. There are a spread of Mn–O bond distances ranging from 1.89–2.00 Å. The Mn–F bond length is 2.04 Å. In the third Mn+3.75+ site, Mn+3.75+ is bonded to five O2- and one F1- atom to form a mixture of corner and edge-sharing MnO5F octahedra. The corner-sharing octahedra tilt angles range from 48–55°. There are a spread of Mn–O bond distances ranging from 1.88–1.96 Å. The Mn–F bond length is 2.02 Å. In the fourth Mn+3.75+ site, Mn+3.75+ is bonded to six O2- atoms to form MnO6 octahedra that share corners with eight MnO5F octahedra and edges with two equivalent MnO6 octahedra. The corner-sharing octahedra tilt angles range from 50–56°. There are a spread of Mn–O bond distances ranging from 1.93–1.99 Å. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the second O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to three Mn+3.75+ atoms. F1- is bonded in a 3-coordinate geometry to three Mn+3.75+ atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Mn4O7F 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↗

DOE OSTI2020