Search NASA⌕ Search

SEARCH · Search NASA

Results for “3C”

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 487 records · Page 27
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on CeAl7Au3 by Materials Project

CeAu3Al7 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ce is bonded in a 6-coordinate geometry to six equivalent Au and twelve equivalent Al atoms. All Ce–Au bond lengths are 3.29 Å. There are six shorter (3.32 Å) and six longer (3.41 Å) Ce–Al bond lengths. Au is bonded in a 9-coordinate geometry to two equivalent Ce and seven Al atoms. There are a spread of Au–Al bond distances ranging from 2.60–2.69 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a distorted trigonal planar geometry to two equivalent Ce and three equivalent Au atoms. In the second Al site, Al is bonded in a trigonal planar geometry to three equivalent Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbAl7Au3 by Materials Project

TbAu3Al7 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Tb is bonded in a 6-coordinate geometry to six equivalent Au and twelve equivalent Al atoms. All Tb–Au bond lengths are 3.26 Å. There are six shorter (3.32 Å) and six longer (3.38 Å) Tb–Al bond lengths. Au is bonded in a 9-coordinate geometry to two equivalent Tb and seven Al atoms. There are a spread of Au–Al bond distances ranging from 2.59–2.67 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a distorted trigonal planar geometry to two equivalent Tb and three equivalent Au atoms. In the second Al site, Al is bonded in a trigonal planar geometry to three equivalent Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PrAl7Au3 by Materials Project

PrAu3Al7 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Pr is bonded in a 6-coordinate geometry to six equivalent Au and twelve equivalent Al atoms. All Pr–Au bond lengths are 3.30 Å. There are six shorter (3.34 Å) and six longer (3.41 Å) Pr–Al bond lengths. Au is bonded in a 9-coordinate geometry to two equivalent Pr and seven Al atoms. There are a spread of Au–Al bond distances ranging from 2.61–2.69 Å. There are two inequivalent Al sites. In the first Al site, Al is bonded in a distorted trigonal planar geometry to two equivalent Pr and three equivalent Au atoms. In the second Al site, Al is bonded in a trigonal planar geometry to three equivalent Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Al2O3 by Materials Project

Al2O3 is Corundum structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Al3+ is bonded to six equivalent O2- atoms to form a mixture of corner, edge, and face-sharing AlO6 octahedra. The corner-sharing octahedra tilt angles range from 48–60°. There is three shorter (1.87 Å) and three longer (1.99 Å) Al–O bond length. O2- is bonded to four equivalent Al3+ atoms to form a mixture of distorted corner and edge-sharing OAl4 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on UBe13 by Materials Project

UBe13 crystallizes in the cubic Fm-3c space group. The structure is three-dimensional. there are two inequivalent Be sites. In the first Be site, Be is bonded in a 12-coordinate geometry to ten Be and two equivalent U atoms. There are a spread of Be–Be bond distances ranging from 2.14–2.36 Å. Both Be–U bond lengths are 2.97 Å. In the second Be site, Be is bonded in a cuboctahedral geometry to twelve equivalent Be atoms. U is bonded in a 1-coordinate geometry to twenty-four equivalent Be atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AgHg3SbO6 by Materials Project

AgHg3SbO6 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ag1+ is bonded in a distorted hexagonal planar geometry to six equivalent O2- atoms. All Ag–O bond lengths are 2.58 Å. Hg2+ is bonded in a distorted linear geometry to six equivalent O2- atoms. There are a spread of Hg–O bond distances ranging from 2.06–2.98 Å. Sb5+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Sb–O bond lengths are 2.03 Å. O2- is bonded in a 2-coordinate geometry to one Ag1+, three equivalent Hg2+, and one Sb5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ga2O3 by Materials Project

Ga2O3 is Corundum structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Ga3+ is bonded to six equivalent O2- atoms to form a mixture of distorted corner, edge, and face-sharing GaO6 octahedra. The corner-sharing octahedra tilt angles range from 49–61°. There are three shorter (1.95 Å) and three longer (2.11 Å) Ga–O bond lengths. O2- is bonded to four equivalent Ga3+ atoms to form a mixture of distorted corner and edge-sharing OGa4 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TbBe13 by Materials Project

TbBe13 crystallizes in the cubic Fm-3c space group. The structure is three-dimensional. there are two inequivalent Be sites. In the first Be site, Be is bonded to twelve equivalent Be atoms to form a mixture of face and corner-sharing BeBe12 cuboctahedra. All Be–Be bond lengths are 2.14 Å. In the second Be site, Be is bonded to ten Be and two equivalent Tb atoms to form distorted BeTb2Be10 cuboctahedra that share corners with twenty-eight BeBe12 cuboctahedra, edges with eight equivalent BeTb2Be10 cuboctahedra, and faces with twenty-five BeBe12 cuboctahedra. There are a spread of Be–Be bond distances ranging from 2.22–2.32 Å. Both Be–Tb bond lengths are 3.00 Å. Tb is bonded in a 1-coordinate geometry to twenty-four equivalent Be atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb2S3 by Materials Project

Yb2S3 is Corundum structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Yb3+ is bonded to six equivalent S2- atoms to form a mixture of face, edge, and corner-sharing YbS6 octahedra. The corner-sharing octahedra tilt angles range from 44–62°. There are three shorter (2.79 Å) and three longer (2.80 Å) Yb–S bond lengths. S2- is bonded in a distorted see-saw-like geometry to four equivalent Yb3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaSr3TaO6 by Materials Project

NaSr3TaO6 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Na1+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Na–O bond lengths are 2.42 Å. Sr2+ is bonded in a 8-coordinate geometry to eight equivalent O2- atoms. There are a spread of Sr–O bond distances ranging from 2.54–2.96 Å. Ta5+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Ta–O bond lengths are 2.02 Å. O2- is bonded in a 6-coordinate geometry to one Na1+, four equivalent Sr2+, and one Ta5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on MgSi7Ir3 by Materials Project

MgIr3Si7 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Mg2+ is bonded to twelve equivalent Si+1.71- atoms to form edge-sharing MgSi12 cuboctahedra. There are six shorter (3.13 Å) and six longer (3.17 Å) Mg–Si bond lengths. Ir+3.33+ is bonded in a 7-coordinate geometry to seven Si+1.71- atoms. There are a spread of Ir–Si bond distances ranging from 2.44–2.52 Å. There are two inequivalent Si+1.71- sites. In the first Si+1.71- site, Si+1.71- is bonded in a distorted trigonal planar geometry to three equivalent Ir+3.33+ atoms. In the second Si+1.71- site, Si+1.71- is bonded in a 3-coordinate geometry to two equivalent Mg2+ and three equivalent Ir+3.33+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LaCoCu12 by Materials Project

LaCoCu12 crystallizes in the cubic Fm-3c space group. The structure is three-dimensional. La is bonded in a 1-coordinate geometry to twenty-four equivalent Cu atoms. All La–Cu bond lengths are 3.37 Å. Co is bonded to twelve equivalent Cu atoms to form CoCu12 cuboctahedra that share corners with twelve equivalent CuLa2CoCu9 cuboctahedra and faces with twenty-four equivalent CuLa2CoCu9 cuboctahedra. All Co–Cu bond lengths are 2.47 Å. Cu is bonded to two equivalent La, one Co, and nine equivalent Cu atoms to form distorted CuLa2CoCu9 cuboctahedra that share a cornercorner with one CoCu12 cuboctahedra, corners with twenty-seven equivalent CuLa2CoCu9 cuboctahedra, edges with eight equivalent CuLa2CoCu9 cuboctahedra, faces with two equivalent CoCu12 cuboctahedra, and faces with twenty-three equivalent CuLa2CoCu9 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.46–2.70 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnHgO3 by Materials Project

HgSnO3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Hg2+ is bonded in a distorted trigonal planar geometry to three equivalent O2- atoms. All Hg–O bond lengths are 2.25 Å. Sn4+ is bonded to six equivalent O2- atoms to form corner-sharing SnO6 octahedra. The corner-sharing octahedral tilt angles are 32°. All Sn–O bond lengths are 2.11 Å. O2- is bonded in a 3-coordinate geometry to one Hg2+ and two equivalent Sn4+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Be13Sb by Materials Project

Be13Sb crystallizes in the cubic Fm-3c space group. The structure is three-dimensional. there are two inequivalent Be sites. In the first Be site, Be is bonded to ten Be and two equivalent Sb atoms to form a mixture of distorted corner, edge, and face-sharing BeBe10Sb2 cuboctahedra. There are a spread of Be–Be bond distances ranging from 2.14–2.30 Å. Both Be–Sb bond lengths are 3.04 Å. In the second Be site, Be is bonded to twelve equivalent Be atoms to form a mixture of corner and face-sharing BeBe12 cuboctahedra. Sb is bonded in a 1-coordinate geometry to twenty-four equivalent Be atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ScSi7Rh3 by Materials Project

ScRh3Si7 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Sc3+ is bonded to twelve equivalent Si+1.71- atoms to form edge-sharing ScSi12 cuboctahedra. There are six shorter (3.09 Å) and six longer (3.17 Å) Sc–Si bond lengths. Rh3+ is bonded in a 7-coordinate geometry to seven Si+1.71- atoms. There are five shorter (2.44 Å) and two longer (2.50 Å) Rh–Si bond lengths. There are two inequivalent Si+1.71- sites. In the first Si+1.71- site, Si+1.71- is bonded in a distorted trigonal planar geometry to two equivalent Sc3+ and three equivalent Rh3+ atoms. In the second Si+1.71- site, Si+1.71- is bonded in a trigonal planar geometry to three equivalent Rh3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ScSi7Ir3 by Materials Project

ScIr3Si7 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Sc3+ is bonded to twelve equivalent Si+1.71- atoms to form edge-sharing ScSi12 cuboctahedra. There are six shorter (3.13 Å) and six longer (3.17 Å) Sc–Si bond lengths. Ir3+ is bonded in a 7-coordinate geometry to seven Si+1.71- atoms. There are a spread of Ir–Si bond distances ranging from 2.44–2.51 Å. There are two inequivalent Si+1.71- sites. In the first Si+1.71- site, Si+1.71- is bonded in a distorted trigonal planar geometry to two equivalent Sc3+ and three equivalent Ir3+ atoms. In the second Si+1.71- site, Si+1.71- is bonded in a trigonal planar geometry to three equivalent Ir3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PdF3 by Materials Project

PdF3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Pd is bonded to six equivalent F atoms to form corner-sharing PdF6 octahedra. The corner-sharing octahedral tilt angles are 42°. All Pd–F bond lengths are 2.05 Å. F is bonded in a bent 150 degrees geometry to two equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zr3O by Materials Project

Zr3O is Upper Bainite-like structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Zr is bonded in a distorted bent 120 degrees geometry to two equivalent O atoms. Both Zr–O bond lengths are 2.29 Å. O is bonded to six equivalent Zr atoms to form corner-sharing OZr6 octahedra. The corner-sharing octahedral tilt angles are 47°.

36 MATERIALS SCIENCE↗