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 289 records · Page 16
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on KTi2(PO4)3 by Materials Project

KTi2(PO4)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. K1+ is bonded in a distorted hexagonal planar geometry to six equivalent O2- atoms. All K–O bond lengths are 2.78 Å. Ti4+ is bonded to six O2- atoms to form TiO6 octahedra that share corners with six equivalent PO4 tetrahedra. There is three shorter (1.95 Å) and three longer (1.97 Å) Ti–O bond length. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent TiO6 octahedra. The corner-sharing octahedra tilt angles range from 24–33°. All P–O bond lengths are 1.54 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Ti4+ and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Ti4+, and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiGe2(PO4)3 by Materials Project

LiGe2(PO4)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Li1+ is bonded in a distorted hexagonal planar geometry to six equivalent O2- atoms. All Li–O bond lengths are 2.23 Å. Ge4+ is bonded to six O2- atoms to form GeO6 octahedra that share corners with six equivalent PO4 tetrahedra. There is three shorter (1.86 Å) and three longer (1.91 Å) Ge–O bond length. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent GeO6 octahedra. The corner-sharing octahedra tilt angles range from 26–42°. There is two shorter (1.53 Å) and two longer (1.55 Å) P–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Ge4+ and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Ge4+, and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on KZr2(AsO4)3 by Materials Project

KZr2(AsO4)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. K1+ is bonded in a hexagonal planar geometry to six equivalent O2- atoms. All K–O bond lengths are 2.87 Å. Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with six equivalent AsO4 tetrahedra. There are three shorter (2.09 Å) and three longer (2.12 Å) Zr–O bond lengths. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent ZrO6 octahedra. The corner-sharing octahedral tilt angles are 30°. All As–O bond lengths are 1.71 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Zr4+ and one As5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one Zr4+, and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Sc(HO)6 by Materials Project

Rb3Sc(HO)6 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Rb1+ is bonded in a 12-coordinate geometry to four equivalent H1+ and eight equivalent O2- atoms. There are two shorter (3.00 Å) and two longer (3.08 Å) Rb–H bond lengths. There are a spread of Rb–O bond distances ranging from 2.88–3.22 Å. Sc3+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Sc–O bond lengths are 2.16 Å. H1+ is bonded in a single-bond geometry to two equivalent Rb1+ and one O2- atom. The H–O bond length is 0.97 Å. O2- is bonded in a distorted single-bond geometry to four equivalent Rb1+, one Sc3+, and one H1+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiZr2(PO4)3 by Materials Project

LiZr2(PO4)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Li1+ is bonded in a 6-coordinate geometry to six equivalent O2- atoms. All Li–O bond lengths are 2.44 Å. Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with six equivalent PO4 tetrahedra. There are three shorter (2.07 Å) and three longer (2.13 Å) Zr–O bond lengths. P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four equivalent ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 22–42°. There is two shorter (1.54 Å) and two longer (1.55 Å) P–O bond length. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Zr4+ and one P5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Li1+, one Zr4+, and one P5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Cs3Cr2I9 by Materials Project

Cs3Cr2I9 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Cs1+ is bonded in a 10-coordinate geometry to ten I1- atoms. There are a spread of Cs–I bond distances ranging from 4.06–4.44 Å. Cr3+ is bonded to six I1- atoms to form face-sharing CrI6 octahedra. There are three shorter (2.70 Å) and three longer (2.81 Å) Cr–I bond lengths. There are two inequivalent I1- sites. In the first I1- site, I1- is bonded in a distorted single-bond geometry to three equivalent Cs1+ and one Cr3+ atom. In the second I1- site, I1- is bonded in a 2-coordinate geometry to four equivalent Cs1+ and two equivalent Cr3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na8Hg3 by Materials Project

Na8Hg3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. there are four inequivalent Na sites. In the first Na site, Na is bonded to four Hg atoms to form a mixture of distorted edge and corner-sharing NaHg4 tetrahedra. There are a spread of Na–Hg bond distances ranging from 3.17–3.44 Å. In the second Na site, Na is bonded in a distorted trigonal non-coplanar geometry to three Hg atoms. There are a spread of Na–Hg bond distances ranging from 3.25–3.35 Å. In the third Na site, Na is bonded to four Hg atoms to form a mixture of distorted edge and corner-sharing NaHg4 tetrahedra. There are one shorter (3.23 Å) and three longer (3.39 Å) Na–Hg bond lengths. In the fourth Na site, Na is bonded in a 4-coordinate geometry to four Hg atoms. There are one shorter (3.25 Å) and three longer (3.34 Å) Na–Hg bond lengths. There are three inequivalent Hg sites. In the first Hg site, Hg is bonded in a distorted q6 geometry to ten Na atoms. In the second Hg site, Hg is bonded in a body-centered cubic geometry to eight Na atoms. In the third Hg site, Hg is bonded in a distorted q6 geometry to ten Na atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on P4O9 by Materials Project

P4O9 crystallizes in the trigonal R-3c space group. The structure is zero-dimensional and consists of twelve tetraphosphorus nonoxide molecules. there are two inequivalent P+4.50+ sites. In the first P+4.50+ site, P+4.50+ is bonded in a distorted trigonal non-coplanar geometry to three equivalent O2- atoms. All P–O bond lengths are 1.69 Å. In the second P+4.50+ site, P+4.50+ is bonded to four O2- atoms to form corner-sharing PO4 tetrahedra. There are a spread of P–O bond distances ranging from 1.45–1.63 Å. There are three inequivalent O2- sites. In the first O2- site, O2- is bonded in a single-bond geometry to one P+4.50+ atom. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two P+4.50+ atoms. In the third O2- site, O2- is bonded in a bent 120 degrees geometry to two equivalent P+4.50+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rh2O3 by Materials Project

Rh2O3 is Corundum structured and crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Rh3+ is bonded to six equivalent O2- atoms to form a mixture of face, edge, and corner-sharing RhO6 octahedra. The corner-sharing octahedra tilt angles range from 47–61°. There are three shorter (2.06 Å) and three longer (2.10 Å) Rh–O bond lengths. O2- is bonded to four equivalent Rh3+ atoms to form a mixture of distorted edge and corner-sharing ORh4 trigonal pyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb8Tl11 by Materials Project

Rb8Tl11 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a 7-coordinate geometry to seven Tl atoms. There are a spread of Rb–Tl bond distances ranging from 3.78–4.19 Å. In the second Rb site, Rb is bonded in a 3-coordinate geometry to nine Tl atoms. There are a spread of Rb–Tl bond distances ranging from 3.98–4.33 Å. There are three inequivalent Tl sites. In the first Tl site, Tl is bonded in a 12-coordinate geometry to six equivalent Rb and six Tl atoms. There are three shorter (3.25 Å) and three longer (3.53 Å) Tl–Tl bond lengths. In the second Tl site, Tl is bonded in a 10-coordinate geometry to six Rb and four Tl atoms. There are a spread of Tl–Tl bond distances ranging from 3.15–3.30 Å. In the third Tl site, Tl is bonded in a 2-coordinate geometry to four Rb and six Tl atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zn3Co2(CN)12 by Materials Project

Co2Zn3(CN)12 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Co2+ is bonded in an octahedral geometry to six C+2.17+ atoms. All Co–C bond lengths are 1.87 Å. Zn2+ is bonded in a tetrahedral geometry to four N3- atoms. There is two shorter (1.96 Å) and two longer (1.98 Å) Zn–N bond length. There are two inequivalent C+2.17+ sites. In the first C+2.17+ site, C+2.17+ is bonded in a linear geometry to one Co2+ and one N3- atom. The C–N bond length is 1.17 Å. In the second C+2.17+ site, C+2.17+ is bonded in a linear geometry to one Co2+ and one N3- atom. The C–N bond length is 1.17 Å. There are two inequivalent N3- sites. In the first N3- site, N3- is bonded in a linear geometry to one Zn2+ and one C+2.17+ atom. In the second N3- site, N3- is bonded in a distorted linear geometry to one Zn2+ and one C+2.17+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LiNbO3 by Materials Project

LiNbO3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Li1+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All Li–O bond lengths are 2.00 Å. Nb5+ is bonded to six equivalent O2- atoms to form corner-sharing NbO6 octahedra. The corner-sharing octahedral tilt angles are 37°. All Nb–O bond lengths are 2.01 Å. O2- is bonded in a 3-coordinate geometry to one Li1+ and two equivalent Nb5+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NaZr2(AsO4)3 by Materials Project

NaZr2(AsO4)3 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Na1+ is bonded in a distorted hexagonal planar geometry to six equivalent O2- atoms. All Na–O bond lengths are 2.55 Å. Zr4+ is bonded to six O2- atoms to form ZrO6 octahedra that share corners with six equivalent AsO4 tetrahedra. There are three shorter (2.07 Å) and three longer (2.14 Å) Zr–O bond lengths. As5+ is bonded to four O2- atoms to form AsO4 tetrahedra that share corners with four equivalent ZrO6 octahedra. The corner-sharing octahedra tilt angles range from 24–40°. All As–O bond lengths are 1.71 Å. There are two inequivalent O2- sites. In the first O2- site, O2- is bonded in a bent 150 degrees geometry to one Zr4+ and one As5+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+, one Zr4+, and one As5+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on K2Mo15S19 by Materials Project

K2Mo15S19 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. K1+ is bonded in a 11-coordinate geometry to eleven S2- atoms. There are a spread of K–S bond distances ranging from 3.24–3.79 Å. There are three inequivalent Mo+2.40+ sites. In the first Mo+2.40+ site, Mo+2.40+ is bonded to five S2- atoms to form a mixture of edge and corner-sharing MoS5 square pyramids. There are a spread of Mo–S bond distances ranging from 2.43–2.48 Å. In the second Mo+2.40+ site, Mo+2.40+ is bonded to five S2- atoms to form a mixture of edge and corner-sharing MoS5 square pyramids. There are a spread of Mo–S bond distances ranging from 2.42–2.64 Å. In the third Mo+2.40+ site, Mo+2.40+ is bonded in a see-saw-like geometry to four S2- atoms. There are two shorter (2.41 Å) and two longer (2.48 Å) Mo–S bond lengths. There are five inequivalent S2- sites. In the first S2- site, S2- is bonded in a 5-coordinate geometry to one K1+ and four Mo+2.40+ atoms. In the second S2- site, S2- is bonded in a 6-coordinate geometry to two equivalent K1+ and four Mo+2.40+ atoms. In the third S2- site, S2- is bonded in a 4-coordinate geometry to one K1+ and four Mo+2.40+ atoms. In the fourth S2- site, S2- is bonded in a 4-coordinate geometry to one K1+ and three equivalent Mo+2.40+ atoms. In the fifth S2- site, S2- is bonded in a 7-coordinate geometry to one K1+ and three equivalent Mo+2.40+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Be2BO3F by Materials Project

Be2BO3F crystallizes in the trigonal R-3c space group. The structure is three-dimensional. Be2+ is bonded to three equivalent O2- and one F1- atom to form corner-sharing BeO3F tetrahedra. All Be–O bond lengths are 1.63 Å. The Be–F bond length is 1.59 Å. B3+ is bonded in a trigonal planar geometry to three equivalent O2- atoms. All B–O bond lengths are 1.38 Å. O2- is bonded in a trigonal planar geometry to two equivalent Be2+ and one B3+ atom. F1- is bonded in a linear geometry to two equivalent Be2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Na3Pr14(RuO6)6 by Materials Project

Na3Pr14(RuO6)6 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. There are three shorter (2.47 Å) and three longer (2.58 Å) Na–O bond lengths. In the second Na1+ site, Na1+ is bonded to six equivalent O2- atoms to form distorted NaO6 pentagonal pyramids that share edges with three equivalent RuO6 octahedra. All Na–O bond lengths are 2.42 Å. There are three inequivalent Pr3+ sites. In the first Pr3+ site, Pr3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pr–O bond distances ranging from 2.40–2.79 Å. In the second Pr3+ site, Pr3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Pr–O bond distances ranging from 2.41–2.64 Å. In the third Pr3+ site, Pr3+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Pr–O bond distances ranging from 2.47–2.67 Å. There are three inequivalent Ru+4.50+ sites. In the first Ru+4.50+ site, Ru+4.50+ is bonded to six O2- atoms to form RuO6 octahedra that share an edgeedge with one NaO6 pentagonal pyramid. There is two shorter (1.97 Å) and four longer (2.02 Å) Ru–O bond length. In the second Ru+4.50+ site, Ru+4.50+ is bonded in an octahedral geometry to six O2- atoms. There are three shorter (1.97 Å) and three longer (2.07 Å) Ru–O bond lengths. In the third Ru+4.50+ site, Ru+4.50+ is bonded in an octahedral geometry to six equivalent O2- atoms. All Ru–O bond lengths are 2.03 Å. There are six inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted see-saw-like geometry to three Pr3+ and one Ru+4.50+ atom. In the second O2- site, O2- is bonded in a 4-coordinate geometry to three Pr3+ and one Ru+4.50+ atom. In the third O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+, three Pr3+, and one Ru+4.50+ atom. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three Pr3+ and one Ru+4.50+ atom. In the fifth O2- site, O2- is bonded in a 5-coordinate geometry to one Na1+, three Pr3+, and one Ru+4.50+ atom. In the sixth O2- site, O2- is bonded in a 6-coordinate geometry to one Na1+, four Pr3+, and one Ru+4.50+ atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba9(RhO3)8 by Materials Project

Ba9Rh8O24 crystallizes in the trigonal R-3c space group. The structure is three-dimensional. there are two inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.68–3.20 Å. In the second Ba2+ site, Ba2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Ba–O bond distances ranging from 2.66–2.90 Å. There are five inequivalent Rh+3.75+ sites. In the first Rh+3.75+ site, Rh+3.75+ is bonded to six O2- atoms to form face-sharing RhO6 octahedra. There are three shorter (2.04 Å) and three longer (2.08 Å) Rh–O bond lengths. In the second Rh+3.75+ site, Rh+3.75+ is bonded to six O2- atoms to form face-sharing RhO6 octahedra. There are three shorter (2.05 Å) and three longer (2.07 Å) Rh–O bond lengths. In the third Rh+3.75+ site, Rh+3.75+ is bonded to six equivalent O2- atoms to form distorted face-sharing RhO6 octahedra. All Rh–O bond lengths are 2.06 Å. In the fourth Rh+3.75+ site, Rh+3.75+ is bonded to six O2- atoms to form distorted face-sharing RhO6 octahedra. There are three shorter (2.03 Å) and three longer (2.08 Å) Rh–O bond lengths. In the fifth Rh+3.75+ site, Rh+3.75+ is bonded to six equivalent O2- atoms to form face-sharing RhO6 octahedra. All Rh–O bond lengths are 2.06 Å. There are four inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted see-saw-like geometry to two Ba2+ and two Rh+3.75+ atoms. In the second O2- site, O2- is bonded in a 6-coordinate geometry to four Ba2+ and two Rh+3.75+ atoms. In the third O2- site, O2- is bonded to four Ba2+ and two Rh+3.75+ atoms to form a mixture of distorted face and corner-sharing OBa4Rh2 octahedra. The corner-sharing octahedra tilt angles range from 0–28°. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to three equivalent Ba2+ and two Rh+3.75+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ag5IO6 by Materials Project

Ag5O6I crystallizes in the trigonal R-3c space group. The structure is three-dimensional. there are two inequivalent Ag+1.40+ sites. In the first Ag+1.40+ site, Ag+1.40+ is bonded in a 2-coordinate geometry to six equivalent O2- atoms. There are a spread of Ag–O bond distances ranging from 2.23–2.84 Å. In the second Ag+1.40+ site, Ag+1.40+ is bonded to six equivalent O2- atoms to form distorted AgO6 pentagonal pyramids that share edges with three equivalent IO6 octahedra and edges with three equivalent AgO6 pentagonal pyramids. There are three shorter (2.52 Å) and three longer (2.64 Å) Ag–O bond lengths. O2- is bonded in a 6-coordinate geometry to five Ag+1.40+ and one I5+ atom. The O–I bond length is 1.94 Å. I5+ is bonded to six equivalent O2- atoms to form IO6 octahedra that share edges with six equivalent AgO6 pentagonal pyramids.

36 MATERIALS SCIENCE↗