Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Er-H-O-P”

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 ErP2H7O10 by Materials Project

ErP2H7O10 crystallizes in the orthorhombic Pnna space group. The structure is three-dimensional. Er3+ is bonded in a distorted hexagonal bipyramidal geometry to eight O2- atoms. There are a spread of Er–O bond distances ranging from 2.24–2.48 Å. P5+ is bonded in a distorted trigonal non-coplanar geometry to three O2- atoms. There are a spread of P–O bond distances ranging from 1.58–1.75 Å. There are 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 0.99 Å. In the second H1+ site, H1+ is bonded in a linear geometry to two O2- atoms. There is one shorter (1.03 Å) and one longer (1.57 Å) H–O bond length. In the third H1+ site, H1+ is bonded in a linear geometry to two equivalent O2- atoms. Both H–O bond lengths are 1.21 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. There are five inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Er3+, one P5+, and one O2- atom. The O–O bond length is 1.50 Å. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Er3+, one P5+, and one H1+ atom. In the third O2- site, O2- is bonded in a distorted water-like geometry to one Er3+ and two H1+ atoms. In the fourth O2- site, O2- is bonded in a water-like geometry to one P5+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Er3+, one H1+, and one O2- atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ErP4HO12 by Materials Project

ErP4HO12 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Er3+ is bonded to seven O2- atoms to form distorted ErO7 pentagonal bipyramids that share corners with seven PO4 tetrahedra. There are a spread of Er–O bond distances ranging from 2.24–2.45 Å. There are four inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent ErO7 pentagonal bipyramids and corners with two equivalent PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.61 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent ErO7 pentagonal bipyramids and corners with two equivalent PO4 tetrahedra. There is two shorter (1.50 Å) and two longer (1.62 Å) P–O bond length. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one ErO7 pentagonal bipyramid and corners with two equivalent PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.49–1.60 Å. In the fourth P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent ErO7 pentagonal bipyramids and corners with two equivalent PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.48–1.63 Å. H1+ is bonded in a distorted single-bond geometry to two O2- atoms. There is one shorter (1.02 Å) and one longer (1.69 Å) H–O bond length. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one Er3+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a water-like geometry to one P5+ and one H1+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one Er3+, one P5+, and one H1+ atom. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two P5+ atoms. In the seventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Er3+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Er3+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a distorted linear geometry to one Er3+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Er3+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two P5+ atoms. In the twelfth O2- site, O2- is bonded in a bent 150 degrees geometry to one Er3+ and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ErP2H3O10 by Materials Project

(ErP2(HO3)3)2O2 crystallizes in the triclinic P1 space group. The structure is three-dimensional and consists of one hydrogen peroxide molecule and one ErP2(HO3)3 framework. In the ErP2(HO3)3 framework, there are two inequivalent Er sites. In the first Er site, Er is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Er–O bond distances ranging from 2.22–2.54 Å. In the second Er site, Er is bonded in a 8-coordinate geometry to eight O atoms. There are a spread of Er–O bond distances ranging from 2.23–2.54 Å. There are four inequivalent P sites. In the first P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.51–1.65 Å. In the second P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.52–1.64 Å. In the third P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.60 Å. In the fourth P site, P is bonded to four O atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.50–1.60 Å. There are six inequivalent H sites. In the first H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the second H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 0.97 Å. In the third H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.03 Å) and one longer (1.54 Å) H–O bond length. In the fourth H site, H is bonded in a linear geometry to two O atoms. There is one shorter (1.03 Å) and one longer (1.53 Å) H–O bond length. In the fifth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.00 Å. In the sixth H site, H is bonded in a single-bond geometry to one O atom. The H–O bond length is 1.00 Å. There are eighteen inequivalent O sites. In the first O site, O is bonded in a single-bond geometry to one Er atom. In the second O site, O is bonded in a single-bond geometry to one Er atom. In the third O site, O is bonded in a distorted bent 120 degrees geometry to one P and one H atom. In the fourth O site, O is bonded in a distorted bent 120 degrees geometry to one P and one H atom. In the fifth O site, O is bonded in a distorted water-like geometry to one Er and two H atoms. In the sixth O site, O is bonded in a distorted water-like geometry to one Er and two H atoms. In the seventh O site, O is bonded in a bent 150 degrees geometry to one Er and one P atom. In the eighth O site, O is bonded in a bent 150 degrees geometry to one Er and one P atom. In the ninth O site, O is bonded in a 1-coordinate geometry to two Er and one P atom. In the tenth O site, O is bonded in a 1-coordinate geometry to two Er and one P atom. In the eleventh O site, O is bonded in a bent 150 degrees geometry to one Er and one P atom. In the twelfth O site, O is bonded in a distorted bent 150 degrees geometry to one Er and one P atom. In the thirteenth O site, O is bonded in a 1-coordinate geometry to two Er and one P atom. In the fourteenth O site, O is bonded in a 1-coordinate geometry to two Er and one P atom. In the fifteenth O site, O is bonded in a bent 120 degrees geometry to one P and one H atom. In the sixteenth O site, O is bonded in a bent 120 degrees geometry to one P and one H atom. In the seventeenth O site, O is bonded in a bent 120 degrees geometry to two P atoms. In the eighteenth O site, O is bonded in a bent 120 degrees geometry to two P atoms.

36 MATERIALS SCIENCE↗