Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “H-Na-O-V”

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.

4 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Na3VH6O7 by Materials Project

Na3VH6O7 crystallizes in the trigonal R3 space group. The structure is three-dimensional. Na1+ is bonded to six O2- atoms to form distorted NaO6 octahedra that share corners with two equivalent NaO6 octahedra, corners with three equivalent VO4 tetrahedra, and edges with four equivalent NaO6 octahedra. The corner-sharing octahedral tilt angles are 16°. There are a spread of Na–O bond distances ranging from 2.33–2.65 Å. V5+ is bonded to four O2- atoms to form VO4 tetrahedra that share corners with nine equivalent NaO6 octahedra. The corner-sharing octahedra tilt angles range from 52–59°. There is one shorter (1.73 Å) and three longer (1.76 Å) V–O bond length. There are two inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.01 Å) and one longer (1.72 Å) H–O bond length. In the second H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.79 Å) H–O bond length. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted water-like geometry to three equivalent Na1+ and two H1+ atoms. In the second O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three equivalent Na1+ and one V5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent Na1+, one V5+, and two H1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3V3H6O7 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

Materials Data on Na3V5(H12O13)2 by Materials Project

Na3V5(H5O6)4(H2O)2 crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of four water molecules and one Na3V5(H5O6)4 sheet oriented in the (-1, 1, 1) direction. In the Na3V5(H5O6)4 sheet, there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Na–O bond distances ranging from 2.34–2.56 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form edge-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.39–2.47 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form edge-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.38–2.52 Å. There are five inequivalent V5+ sites. In the first V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.63–2.40 Å. In the second V5+ site, V5+ is bonded to six O2- atoms to form distorted edge-sharing VO6 octahedra. There are a spread of V–O bond distances ranging from 1.73–2.11 Å. In the third V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.38 Å. In the fourth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.65–2.30 Å. In the fifth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.66–2.29 Å. There are twenty inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (0.99 Å) and one longer (1.73 Å) H–O bond length. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the thirteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the seventeenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eighteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the nineteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the twentieth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. There are twenty-four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Na1+ and one V5+ atom. In the second O2- site, O2- is bonded in a trigonal non-coplanar geometry to three V5+ atoms. In the third O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the sixth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the seventh O2- site, O2- is bonded to six V5+ atoms to form distorted edge-sharing OV6 octahedra. In the eighth O2- site, O2- is bonded in a distorted trigonal planar geometry to two V5+ and one H1+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the tenth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the eleventh O2- site, O2- is bonded in a trigonal non-coplanar geometry to three V5+ atoms. In the twelfth O2- site, O2- is bonded in a distorted water-like geometry to two V5+ atoms. In the thirteenth O2- site, O2- is bonded in a water-like geometry to two V5+ atoms. In the fourteenth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+ and two H1+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+ and two H1+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Na1+ and two H1+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+ and two H1+ atoms. In the nineteenth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twentieth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+ and two H1+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Na1+ and two H1+ atoms. In the twenty-third O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twenty-fourth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3V5H26O27 by Materials Project

Na3V5(H12O13)2H2O crystallizes in the triclinic P-1 space group. The structure is two-dimensional and consists of two water molecules and one Na3V5(H12O13)2 sheet oriented in the (0, 0, 1) direction. In the Na3V5(H12O13)2 sheet, there are three inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded to six O2- atoms to form edge-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.33–2.46 Å. In the second Na1+ site, Na1+ is bonded to six O2- atoms to form edge-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.36–2.58 Å. In the third Na1+ site, Na1+ is bonded to six O2- atoms to form edge-sharing NaO6 octahedra. There are a spread of Na–O bond distances ranging from 2.38–2.45 Å. There are five inequivalent V5+ sites. In the first V5+ site, V5+ is bonded to six O2- atoms to form distorted edge-sharing VO6 octahedra. There are a spread of V–O bond distances ranging from 1.74–2.11 Å. In the second V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.29 Å. In the third V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.27 Å. In the fourth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.40 Å. In the fifth V5+ site, V5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of V–O bond distances ranging from 1.64–2.39 Å. There are twenty-four inequivalent H1+ sites. In the first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the sixth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the seventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the eighth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the ninth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the tenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the eleventh H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the twelfth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the thirteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the fourteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the fifteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the sixteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the seventeenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the eighteenth H1+ site, H1+ is bonded in a single-bond geometry to two O2- atoms. There is one shorter (1.00 Å) and one longer (1.72 Å) H–O bond length. In the nineteenth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the twentieth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.98 Å. In the twenty-first H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 1.00 Å. In the twenty-second H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the twenty-third H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.99 Å. In the twenty-fourth H1+ site, H1+ is bonded in a single-bond geometry to one O2- atom. The H–O bond length is 0.97 Å. There are twenty-six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted linear geometry to one Na1+ and one V5+ atom. In the second O2- site, O2- is bonded in a linear geometry to one Na1+ and one V5+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Na1+ and one V5+ atom. In the fourth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three V5+ atoms. In the fifth O2- site, O2- is bonded in a trigonal non-coplanar geometry to three V5+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two V5+ atoms. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two V5+ and one H1+ atom. In the eighth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the ninth O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the tenth O2- site, O2- is bonded in a water-like geometry to two V5+ atoms. In the eleventh O2- site, O2- is bonded in a bent 120 degrees geometry to two V5+ atoms. In the twelfth O2- site, O2- is bonded to six V5+ atoms to form distorted edge-sharing OV6 octahedra. In the thirteenth O2- site, O2- is bonded in a water-like geometry to two V5+ atoms. In the fourteenth O2- site, O2- is bonded in a single-bond geometry to one V5+ atom. In the fifteenth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+ and two H1+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted water-like geometry to two Na1+ and two H1+ atoms. In the seventeenth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the eighteenth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the nineteenth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twentieth O2- site, O2- is bonded in a distorted water-like geometry to two equivalent Na1+ and two H1+ atoms. In the twenty-first O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twenty-third O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twenty-fourth O2- site, O2- is bonded in a distorted water-like geometry to one Na1+ and two H1+ atoms. In the twenty-fifth O2- site, O2- is bonded in a water-like geometry to one Na1+ and two H1+ atoms. In the twenty-sixth O2- site, O2- is bonded in a water-like geometry to one Na1+ and two H1+ atoms.

36 MATERIALS SCIENCE↗