Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “linear projection”

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 181 records · Page 10
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Cs2CuO2 by Materials Project

Cs2CuO2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Cs1+ is bonded in a linear geometry to two O2- atoms. Both Cs–O bond lengths are 2.64 Å. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There are two shorter (2.40 Å) and two longer (2.42 Å) Cu–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a square co-planar geometry to two equivalent Cs1+ and two equivalent Cu2+ atoms. In the second O2- site, O2- is bonded in a square co-planar geometry to two equivalent Cs1+ and two equivalent Cu2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaLi2N by Materials Project

NaLi2N crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Na1+ is bonded in a linear geometry to two equivalent N3- atoms. Both Na–N bond lengths are 2.38 Å. Li1+ is bonded in a trigonal planar geometry to three equivalent N3- atoms. All Li–N bond lengths are 2.11 Å. N3- is bonded to two equivalent Na1+ and six equivalent Li1+ atoms to form a mixture of edge and corner-sharing NNa2Li6 hexagonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CuAgS by Materials Project

AgCuS crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Ag1+ is bonded in a linear geometry to two equivalent S2- atoms. Both Ag–S bond lengths are 2.46 Å. Cu1+ is bonded in a trigonal planar geometry to three equivalent S2- atoms. There are two shorter (2.27 Å) and one longer (2.30 Å) Cu–S bond lengths. S2- is bonded in a 5-coordinate geometry to two equivalent Ag1+ and three equivalent Cu1+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on BaTiO3 by Materials Project

BaTiO3 crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. Ba2+ is bonded in a linear geometry to two equivalent O2- atoms. Both Ba–O bond lengths are 2.52 Å. Ti4+ is bonded in a rectangular see-saw-like geometry to four equivalent O2- atoms. There are two shorter (1.97 Å) and two longer (2.15 Å) Ti–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to two equivalent Ba2+ and four equivalent O2- atoms to form distorted corner-sharing OBa2O4 octahedra. The corner-sharing octahedra tilt angles range from 1–3°. There are two shorter (2.05 Å) and two longer (2.07 Å) O–O bond lengths. In the second O2- site, O2- is bonded in a distorted linear geometry to two equivalent Ti4+ and two equivalent O2- atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AgPbO2 by Materials Project

AgPbO2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Ag2+ is bonded in a linear geometry to two O2- atoms. There are one shorter (2.09 Å) and one longer (2.10 Å) Ag–O bond lengths. There are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded to six O2- atoms to form edge-sharing PbO6 octahedra. There are two shorter (2.19 Å) and four longer (2.31 Å) Pb–O bond lengths. In the second Pb2+ site, Pb2+ is bonded to six O2- atoms to form edge-sharing PbO6 octahedra. There are four shorter (2.52 Å) and two longer (2.57 Å) Pb–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to one Ag2+ and three Pb2+ atoms to form a mixture of distorted corner and edge-sharing OAgPb3 tetrahedra. In the second O2- site, O2- is bonded to one Ag2+ and three Pb2+ atoms to form a mixture of distorted corner and edge-sharing OAgPb3 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PbAuO2 by Materials Project

AuPbO2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Au2+ is bonded in a linear geometry to two O2- atoms. There are one shorter (2.03 Å) and one longer (2.04 Å) Au–O bond lengths. There are two inequivalent Pb2+ sites. In the first Pb2+ site, Pb2+ is bonded to six O2- atoms to form edge-sharing PbO6 octahedra. There are two shorter (2.23 Å) and four longer (2.34 Å) Pb–O bond lengths. In the second Pb2+ site, Pb2+ is bonded to six O2- atoms to form edge-sharing PbO6 octahedra. There are four shorter (2.52 Å) and two longer (2.57 Å) Pb–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded to one Au2+ and three Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb3Au tetrahedra. In the second O2- site, O2- is bonded to one Au2+ and three Pb2+ atoms to form a mixture of distorted edge and corner-sharing OPb3Au tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CuBiO2 by Materials Project

CuBiO2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Cu1+ is bonded in a linear geometry to two equivalent O2- atoms. Both Cu–O bond lengths are 1.83 Å. Bi3+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. There are two shorter (2.24 Å) and four longer (2.51 Å) Bi–O bond lengths. O2- is bonded to one Cu1+ and three equivalent Bi3+ atoms to form a mixture of distorted corner and edge-sharing OCuBi3 tetrahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiHPd by Materials Project

LiPdH crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Li is bonded in a linear geometry to eight equivalent Pd and two equivalent H atoms. All Li–Pd bond lengths are 2.79 Å. Both Li–H bond lengths are 1.96 Å. Pd is bonded to eight equivalent Li and four equivalent H atoms to form a mixture of face, edge, and corner-sharing PdLi8H4 cuboctahedra. All Pd–H bond lengths are 1.99 Å. H is bonded in a distorted linear geometry to two equivalent Li and four equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2CuO2 by Materials Project

K2CuO2 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. K1+ is bonded in a linear geometry to two O2- atoms. There are one shorter (2.46 Å) and one longer (2.47 Å) K–O bond lengths. Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There are two shorter (2.11 Å) and two longer (2.14 Å) Cu–O bond lengths. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a square co-planar geometry to two equivalent K1+ and two equivalent Cu2+ atoms. In the second O2- site, O2- is bonded in a square co-planar geometry to two equivalent K1+ and two equivalent Cu2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sb2Te3 by Materials Project

Sb2Te3 crystallizes in the hexagonal P6/mmm space group. The structure is three-dimensional. Sb3+ is bonded in a linear geometry to two Te2- atoms. There are one shorter (2.90 Å) and one longer (3.17 Å) Sb–Te bond lengths. There are two inequivalent Te2- sites. In the first Te2- site, Te2- is bonded to two equivalent Sb3+ and six equivalent Te2- atoms to form a mixture of edge and corner-sharing TeSb2Te6 hexagonal bipyramids. All Te–Te bond lengths are 3.39 Å. In the second Te2- site, Te2- is bonded to one Sb3+ and seven equivalent Te2- atoms to form distorted TeSbTe7 hexagonal bipyramids that share corners with seven TeSb2Te6 hexagonal bipyramids and edges with eighteen equivalent TeSbTe7 hexagonal bipyramids. There are six shorter (3.39 Å) and one longer (3.48 Å) Te–Te bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cu11PdN4 by Materials Project

PdCu11N4 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Pd is bonded in a linear geometry to four equivalent Cu and two equivalent N atoms. All Pd–Cu bond lengths are 2.74 Å. Both Pd–N bond lengths are 1.90 Å. There are four inequivalent Cu sites. In the first Cu site, Cu is bonded in a linear geometry to four equivalent Cu and two equivalent N atoms. All Cu–Cu bond lengths are 2.54 Å. Both Cu–N bond lengths are 1.90 Å. In the second Cu site, Cu is bonded in a linear geometry to four equivalent Cu and two N atoms. All Cu–Cu bond lengths are 2.71 Å. There is one shorter (1.81 Å) and one longer (1.93 Å) Cu–N bond length. In the third Cu site, Cu is bonded in a linear geometry to four equivalent Cu and two equivalent N atoms. All Cu–Cu bond lengths are 2.64 Å. Both Cu–N bond lengths are 1.90 Å. In the fourth Cu site, Cu is bonded in a 8-coordinate geometry to one Pd and seven Cu atoms. There are three inequivalent N sites. In the first N site, N is bonded in a linear geometry to two equivalent Cu atoms. In the second N site, N is bonded to two equivalent Pd and four equivalent Cu atoms to form corner-sharing NCu4Pd2 octahedra. The corner-sharing octahedral tilt angles are 0°. In the third N site, N is bonded in a square co-planar geometry to four Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Te3Au by Materials Project

AuTe3 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Au5+ is bonded in a linear geometry to two equivalent Te+1.67- atoms. Both Au–Te bond lengths are 2.64 Å. There are two inequivalent Te+1.67- sites. In the first Te+1.67- site, Te+1.67- is bonded in a distorted single-bond geometry to one Au5+ and one Te+1.67- atom. The Te–Te bond length is 3.70 Å. In the second Te+1.67- site, Te+1.67- is bonded to six Te+1.67- atoms to form a mixture of edge and corner-sharing TeTe6 octahedra. The corner-sharing octahedral tilt angles are 0°. All Te–Te bond lengths are 3.13 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GdV2Fe10N by Materials Project

GdV2Fe10N crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Gd is bonded in a linear geometry to two equivalent V, ten Fe, and two equivalent N atoms. Both Gd–V bond lengths are 3.08 Å. There are two shorter (3.07 Å) and eight longer (3.25 Å) Gd–Fe bond lengths. Both Gd–N bond lengths are 2.38 Å. V is bonded in a 10-coordinate geometry to one Gd, one V, and twelve Fe atoms. The V–V bond length is 2.42 Å. There are a spread of V–Fe bond distances ranging from 2.61–2.92 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded in a single-bond geometry to two equivalent V, six Fe, and one N atom. There are four shorter (2.46 Å) and two longer (2.64 Å) Fe–Fe bond lengths. The Fe–N bond length is 1.92 Å. In the second Fe site, Fe is bonded in a single-bond geometry to two equivalent V, six Fe, and one N atom. There are four shorter (2.45 Å) and two longer (2.65 Å) Fe–Fe bond lengths. The Fe–N bond length is 1.92 Å. In the third Fe site, Fe is bonded to two equivalent Gd, two equivalent V, and eight Fe atoms to form distorted FeGd2V2Fe8 cuboctahedra that share corners with ten equivalent FeGd2V2Fe8 cuboctahedra, corners with two equivalent NGd2Fe4 octahedra, edges with four equivalent FeGd2V2Fe8 cuboctahedra, faces with six equivalent FeGd2V2Fe8 cuboctahedra, and faces with two equivalent NGd2Fe4 octahedra. The corner-sharing octahedral tilt angles are 69°. There are two shorter (2.38 Å) and two longer (2.63 Å) Fe–Fe bond lengths. In the fourth Fe site, Fe is bonded in a 2-coordinate geometry to one Gd, four equivalent V, and nine Fe atoms. The Fe–Fe bond length is 2.39 Å. N is bonded to two equivalent Gd and four Fe atoms to form NGd2Fe4 octahedra that share corners with eight equivalent FeGd2V2Fe8 cuboctahedra, corners with two equivalent NGd2Fe4 octahedra, and faces with eight equivalent FeGd2V2Fe8 cuboctahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiCuN by Materials Project

LiCuN crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Li1+ is bonded in a linear geometry to two equivalent N3- atoms. Both Li–N bond lengths are 1.97 Å. Cu2+ is bonded in a square co-planar geometry to four equivalent N3- atoms. All Cu–N bond lengths are 2.03 Å. N3- is bonded to two equivalent Li1+ and four equivalent Cu2+ atoms to form a mixture of edge and corner-sharing NLi2Cu4 octahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2CuO2 by Materials Project

Li2CuO2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Li1+ is bonded in a linear geometry to two equivalent O2- atoms. Both Li–O bond lengths are 1.81 Å. Cu2+ is bonded in a square co-planar geometry to four equivalent O2- atoms. All Cu–O bond lengths are 1.99 Å. O2- is bonded in a square co-planar geometry to two equivalent Li1+ and two equivalent Cu2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HIO4 by Materials Project

HIO4 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. H is bonded in a linear geometry to two O atoms. There is one shorter (1.05 Å) and one longer (1.51 Å) H–O bond length. There are four inequivalent O sites. In the first O site, O is bonded in a water-like geometry to two I atoms. There is one shorter (1.99 Å) and one longer (2.00 Å) O–I bond length. In the second O site, O is bonded in a water-like geometry to two I atoms. There are one shorter (1.94 Å) and one longer (2.08 Å) O–I bond lengths. In the third O site, O is bonded in a distorted bent 120 degrees geometry to one H and one I atom. The O–I bond length is 1.87 Å. In the fourth O site, O is bonded in a bent 120 degrees geometry to one H and one I atom. The O–I bond length is 1.80 Å. There are two inequivalent I sites. In the first I site, I is bonded to six O atoms to form distorted edge-sharing IO6 octahedra. In the second I site, I is bonded to six O atoms to form edge-sharing IO6 octahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on HoTiFe11N by Materials Project

HoTiFe11N crystallizes in the orthorhombic Imm2 space group. The structure is three-dimensional. Ho is bonded in a linear geometry to one Ti, ten Fe, and two equivalent N atoms. The Ho–Ti bond length is 3.17 Å. There are a spread of Ho–Fe bond distances ranging from 3.08–3.30 Å. Both Ho–N bond lengths are 2.40 Å. Ti is bonded in a 1-coordinate geometry to one Ho and thirteen Fe atoms. There are a spread of Ti–Fe bond distances ranging from 2.37–2.92 Å. There are six inequivalent Fe sites. In the first Fe site, Fe is bonded to two equivalent Ho, one Ti, and nine Fe atoms to form distorted FeHo2TiFe9 cuboctahedra that share corners with ten equivalent FeHo2TiFe9 cuboctahedra, corners with two equivalent NHo2Fe4 octahedra, edges with four equivalent FeHo2TiFe9 cuboctahedra, faces with six equivalent FeHo2TiFe9 cuboctahedra, and faces with two equivalent NHo2Fe4 octahedra. The corner-sharing octahedra tilt angles range from 67–69°. There are a spread of Fe–Fe bond distances ranging from 2.39–2.63 Å. In the second Fe site, Fe is bonded in a single-bond geometry to six Fe and one N atom. Both Fe–Fe bond lengths are 2.63 Å. The Fe–N bond length is 1.92 Å. In the third Fe site, Fe is bonded in a single-bond geometry to two equivalent Ti, six Fe, and one N atom. Both Fe–Fe bond lengths are 2.66 Å. The Fe–N bond length is 1.91 Å. In the fourth Fe site, Fe is bonded in a single-bond geometry to one Ti, six Fe, and one N atom. Both Fe–Fe bond lengths are 2.67 Å. The Fe–N bond length is 1.91 Å. In the fifth Fe site, Fe is bonded in a 1-coordinate geometry to one Ti and eight Fe atoms. All Fe–Fe bond lengths are 2.95 Å. In the sixth Fe site, Fe is bonded in a 12-coordinate geometry to one Ho, two equivalent Ti, and eleven Fe atoms. The Fe–Fe bond length is 2.43 Å. N is bonded to two equivalent Ho and four Fe atoms to form NHo2Fe4 octahedra that share corners with eight equivalent FeHo2TiFe9 cuboctahedra, corners with two equivalent NHo2Fe4 octahedra, and faces with eight equivalent FeHo2TiFe9 cuboctahedra. The corner-sharing octahedral tilt angles are 2°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on YV2Fe10N by Materials Project

YV2Fe10N crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. Y is bonded in a linear geometry to two equivalent V, ten Fe, and two equivalent N atoms. Both Y–V bond lengths are 3.09 Å. There are two shorter (3.07 Å) and eight longer (3.25 Å) Y–Fe bond lengths. Both Y–N bond lengths are 2.37 Å. V is bonded in a 9-coordinate geometry to one Y, one V, and twelve Fe atoms. The V–V bond length is 2.42 Å. There are a spread of V–Fe bond distances ranging from 2.61–2.92 Å. There are four inequivalent Fe sites. In the first Fe site, Fe is bonded in a single-bond geometry to two equivalent V, six Fe, and one N atom. There are four shorter (2.47 Å) and two longer (2.64 Å) Fe–Fe bond lengths. The Fe–N bond length is 1.91 Å. In the second Fe site, Fe is bonded in a single-bond geometry to two equivalent V, six Fe, and one N atom. There are four shorter (2.45 Å) and two longer (2.66 Å) Fe–Fe bond lengths. The Fe–N bond length is 1.92 Å. In the third Fe site, Fe is bonded to two equivalent Y, two equivalent V, and eight Fe atoms to form distorted FeY2V2Fe8 cuboctahedra that share corners with ten equivalent FeY2V2Fe8 cuboctahedra, corners with two equivalent NY2Fe4 octahedra, edges with four equivalent FeY2V2Fe8 cuboctahedra, faces with six equivalent FeY2V2Fe8 cuboctahedra, and faces with two equivalent NY2Fe4 octahedra. The corner-sharing octahedral tilt angles are 69°. There are two shorter (2.37 Å) and two longer (2.63 Å) Fe–Fe bond lengths. In the fourth Fe site, Fe is bonded in a 2-coordinate geometry to one Y, four equivalent V, and nine Fe atoms. The Fe–Fe bond length is 2.37 Å. N is bonded to two equivalent Y and four Fe atoms to form NY2Fe4 octahedra that share corners with eight equivalent FeY2V2Fe8 cuboctahedra, corners with two equivalent NY2Fe4 octahedra, and faces with eight equivalent FeY2V2Fe8 cuboctahedra. The corner-sharing octahedral tilt angles are 0°.

36 MATERIALS SCIENCE↗