Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Be-N-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.

3 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Be(N3O7)2 by Materials Project

Be(NO3)4(NO)2 crystallizes in the orthorhombic Fdd2 space group. The structure is zero-dimensional and consists of sixteen nitroxyl molecules and eight Be(NO3)4 clusters. In each Be(NO3)4 cluster, Be2+ is bonded in a tetrahedral geometry to four O2- atoms. There is two shorter (1.63 Å) and two longer (1.68 Å) Be–O bond length. There are two inequivalent N+4.33+ sites. In the first N+4.33+ site, N+4.33+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.25–1.28 Å. In the second N+4.33+ site, N+4.33+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.23–1.34 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N+4.33+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N+4.33+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Be4N6O19 by Materials Project

Be4N6O19 crystallizes in the trigonal P3 space group. The structure is zero-dimensional and consists of three Be4N6O19 clusters. In one of the Be4N6O19 clusters, there are two inequivalent Be2+ sites. In the first Be2+ site, Be2+ is bonded to four O2- atoms to form corner-sharing BeO4 tetrahedra. There is one shorter (1.63 Å) and three longer (1.64 Å) Be–O bond length. In the second Be2+ site, Be2+ is bonded to four O2- atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.63–1.65 Å. There are two inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.21–1.31 Å. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.21 Å) and two longer (1.30 Å) N–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the seventh O2- site, O2- is bonded in a tetrahedral geometry to four Be2+ atoms. In two of the Be4N6O19 clusters, there are two inequivalent Be2+ sites. In the first Be2+ site, Be2+ is bonded to four O2- atoms to form corner-sharing BeO4 tetrahedra. There is one shorter (1.63 Å) and three longer (1.64 Å) Be–O bond length. In the second Be2+ site, Be2+ is bonded to four O2- atoms to form corner-sharing BeO4 tetrahedra. There are a spread of Be–O bond distances ranging from 1.63–1.65 Å. There are two inequivalent N5+ sites. In the first N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of N–O bond distances ranging from 1.21–1.31 Å. In the second N5+ site, N5+ is bonded in a trigonal planar geometry to three O2- atoms. There is one shorter (1.21 Å) and two longer (1.30 Å) N–O bond length. There are seven inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the fourth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the fifth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N5+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to one N5+ atom. In the seventh O2- site, O2- is bonded in a tetrahedral geometry to four Be2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Be(N3O7)2 by Materials Project

Be(NO2)3Be(NO2)4(NO2)5(O2)2 crystallizes in the triclinic P1 space group. The structure is zero-dimensional and consists of two hydrogen peroxide molecules, five nitrous acid molecules, one Be(NO2)3 cluster, and one Be(NO2)4 cluster. In the Be(NO2)3 cluster, Be2+ is bonded in a trigonal planar geometry to three O2- atoms. There are a spread of Be–O bond distances ranging from 1.54–1.61 Å. There are three inequivalent N+4.33+ sites. In the first N+4.33+ site, N+4.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.22 Å) and one longer (1.34 Å) N–O bond length. In the second N+4.33+ site, N+4.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.20 Å) and one longer (1.37 Å) N–O bond length. In the third N+4.33+ site, N+4.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.21 Å) and one longer (1.31 Å) N–O bond length. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N+4.33+ atom. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N+4.33+ atom. In the fourth O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the fifth O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the sixth O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N+4.33+ atom. In the Be(NO2)4 cluster, Be2+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Be–O bond distances ranging from 1.57–1.71 Å. There are four inequivalent N+4.33+ sites. In the first N+4.33+ site, N+4.33+ is bonded in a water-like geometry to two O2- atoms. Both N–O bond lengths are 1.29 Å. In the second N+4.33+ site, N+4.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.23 Å) and one longer (1.28 Å) N–O bond length. In the third N+4.33+ site, N+4.33+ is bonded in a bent 120 degrees geometry to two O2- atoms. There is one shorter (1.21 Å) and one longer (1.35 Å) N–O bond length. In the fourth N+4.33+ site, N+4.33+ is bonded in a 3-coordinate geometry to three O2- atoms. There is two shorter (1.18 Å) and one longer (2.04 Å) N–O bond length. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 120 degrees geometry to one Be2+ and one N+4.33+ atom. In the second O2- site, O2- is bonded in an L-shaped geometry to one Be2+ and one N+4.33+ atom. In the third O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the fourth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two N+4.33+ atoms. In the fifth O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the sixth O2- site, O2- is bonded in an L-shaped geometry to one Be2+ and one N+4.33+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one N+4.33+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Be2+ and one N+4.33+ atom.

36 MATERIALS SCIENCE↗