Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Th”

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 415 records · Page 23
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Th3U by Materials Project

UTh3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. U is bonded to twelve equivalent Th atoms to form UTh12 cuboctahedra that share corners with twelve equivalent UTh12 cuboctahedra, edges with twenty-four equivalent ThTh8U4 cuboctahedra, faces with six equivalent UTh12 cuboctahedra, and faces with twelve equivalent ThTh8U4 cuboctahedra. All U–Th bond lengths are 3.48 Å. Th is bonded to four equivalent U and eight equivalent Th atoms to form ThTh8U4 cuboctahedra that share corners with twelve equivalent ThTh8U4 cuboctahedra, edges with eight equivalent UTh12 cuboctahedra, edges with sixteen equivalent ThTh8U4 cuboctahedra, faces with four equivalent UTh12 cuboctahedra, and faces with fourteen equivalent ThTh8U4 cuboctahedra. All Th–Th bond lengths are 3.48 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th3B by Materials Project

Th3B is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Th is bonded to eight equivalent Th and four equivalent B atoms to form distorted ThTh8B4 cuboctahedra that share corners with twelve equivalent ThTh8B4 cuboctahedra, edges with eight equivalent BTh12 cuboctahedra, edges with sixteen equivalent ThTh8B4 cuboctahedra, faces with four equivalent BTh12 cuboctahedra, and faces with fourteen equivalent ThTh8B4 cuboctahedra. All Th–Th bond lengths are 3.30 Å. All Th–B bond lengths are 3.30 Å. B is bonded to twelve equivalent Th atoms to form BTh12 cuboctahedra that share corners with twelve equivalent BTh12 cuboctahedra, edges with twenty-four equivalent ThTh8B4 cuboctahedra, faces with six equivalent BTh12 cuboctahedra, and faces with twelve equivalent ThTh8B4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on TmTh3 by Materials Project

Th3Tm is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Th is bonded to eight equivalent Th and four equivalent Tm atoms to form ThTm4Th8 cuboctahedra that share corners with twelve equivalent ThTm4Th8 cuboctahedra, edges with eight equivalent TmTh12 cuboctahedra, edges with sixteen equivalent ThTm4Th8 cuboctahedra, faces with four equivalent TmTh12 cuboctahedra, and faces with fourteen equivalent ThTm4Th8 cuboctahedra. All Th–Th bond lengths are 3.56 Å. All Th–Tm bond lengths are 3.56 Å. Tm is bonded to twelve equivalent Th atoms to form TmTh12 cuboctahedra that share corners with twelve equivalent TmTh12 cuboctahedra, edges with twenty-four equivalent ThTm4Th8 cuboctahedra, faces with six equivalent TmTh12 cuboctahedra, and faces with twelve equivalent ThTm4Th8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThSiPt by Materials Project

ThPtSi is hexagonal omega structure-derived structured and crystallizes in the tetragonal I4_1md space group. The structure is three-dimensional. Th is bonded to six Pt and six equivalent Si atoms to form a mixture of edge and face-sharing ThSi6Pt6 cuboctahedra. There are two shorter (3.20 Å) and four longer (3.21 Å) Th–Pt bond lengths. There are four shorter (3.18 Å) and two longer (3.26 Å) Th–Si bond lengths. There are two inequivalent Pt sites. In the first Pt site, Pt is bonded in a 3-coordinate geometry to six equivalent Th and three equivalent Si atoms. There are two shorter (2.42 Å) and one longer (2.47 Å) Pt–Si bond lengths. In the second Pt site, Pt is bonded in a 3-coordinate geometry to six equivalent Th and three equivalent Si atoms. There are two shorter (2.42 Å) and one longer (2.47 Å) Pt–Si bond lengths. Si is bonded in a distorted trigonal planar geometry to six equivalent Th and three Pt atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThGaRh by Materials Project

ThRhGa crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Th is bonded in a 11-coordinate geometry to five Rh and six equivalent Ga atoms. There are four shorter (2.99 Å) and one longer (3.01 Å) Th–Rh bond lengths. There are two shorter (3.24 Å) and four longer (3.30 Å) Th–Ga bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 9-coordinate geometry to three equivalent Th and six equivalent Ga atoms. All Rh–Ga bond lengths are 2.69 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to six equivalent Th and three equivalent Ga atoms. All Rh–Ga bond lengths are 2.83 Å. Ga is bonded in a 4-coordinate geometry to six equivalent Th and four Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThSnRh by Materials Project

ThRhSn crystallizes in the hexagonal P-62m space group. The structure is three-dimensional. Th is bonded in a 11-coordinate geometry to five Rh and six equivalent Sn atoms. There are four shorter (3.09 Å) and one longer (3.12 Å) Th–Rh bond lengths. There are two shorter (3.29 Å) and four longer (3.42 Å) Th–Sn bond lengths. There are two inequivalent Rh sites. In the first Rh site, Rh is bonded in a 9-coordinate geometry to three equivalent Th and six equivalent Sn atoms. All Rh–Sn bond lengths are 2.82 Å. In the second Rh site, Rh is bonded in a 9-coordinate geometry to six equivalent Th and three equivalent Sn atoms. All Rh–Sn bond lengths are 2.89 Å. Sn is bonded in a 10-coordinate geometry to six equivalent Th and four Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThAl2Ni3 by Materials Project

ThNi3Al2 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Th is bonded in a distorted hexagonal planar geometry to ten Ni and eight equivalent Al atoms. There are a spread of Th–Ni bond distances ranging from 2.85–3.32 Å. All Th–Al bond lengths are 3.26 Å. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded to four equivalent Th, four equivalent Ni, and four equivalent Al atoms to form distorted NiTh4Al4Ni4 cuboctahedra that share corners with eight equivalent NiTh4Al4Ni4 cuboctahedra, corners with eight equivalent AlTh4Ni6 cuboctahedra, edges with two equivalent NiTh4Al4Ni4 cuboctahedra, edges with twelve equivalent AlTh4Ni6 cuboctahedra, faces with two equivalent NiTh4Al4Ni4 cuboctahedra, and faces with four equivalent AlTh4Ni6 cuboctahedra. All Ni–Ni bond lengths are 2.54 Å. All Ni–Al bond lengths are 2.52 Å. In the second Ni site, Ni is bonded in a 12-coordinate geometry to three equivalent Th, two equivalent Ni, and four equivalent Al atoms. All Ni–Al bond lengths are 2.53 Å. Al is bonded to four equivalent Th and six Ni atoms to form distorted AlTh4Ni6 cuboctahedra that share corners with four equivalent NiTh4Al4Ni4 cuboctahedra, corners with ten equivalent AlTh4Ni6 cuboctahedra, edges with six equivalent NiTh4Al4Ni4 cuboctahedra, edges with six equivalent AlTh4Ni6 cuboctahedra, faces with two equivalent NiTh4Al4Ni4 cuboctahedra, and faces with six equivalent AlTh4Ni6 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on DyTh3 by Materials Project

Th3Dy is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Th is bonded to eight equivalent Th and four equivalent Dy atoms to form ThDy4Th8 cuboctahedra that share corners with twelve equivalent ThDy4Th8 cuboctahedra, edges with eight equivalent DyTh12 cuboctahedra, edges with sixteen equivalent ThDy4Th8 cuboctahedra, faces with four equivalent DyTh12 cuboctahedra, and faces with fourteen equivalent ThDy4Th8 cuboctahedra. All Th–Th bond lengths are 3.56 Å. All Th–Dy bond lengths are 3.56 Å. Dy is bonded to twelve equivalent Th atoms to form DyTh12 cuboctahedra that share corners with twelve equivalent DyTh12 cuboctahedra, edges with twenty-four equivalent ThDy4Th8 cuboctahedra, faces with six equivalent DyTh12 cuboctahedra, and faces with twelve equivalent ThDy4Th8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th3Pa by Materials Project

PaTh3 is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Pa is bonded to twelve equivalent Th atoms to form PaTh12 cuboctahedra that share corners with twelve equivalent PaTh12 cuboctahedra, edges with twenty-four equivalent ThTh8Pa4 cuboctahedra, faces with six equivalent PaTh12 cuboctahedra, and faces with twelve equivalent ThTh8Pa4 cuboctahedra. All Pa–Th bond lengths are 3.49 Å. Th is bonded to four equivalent Pa and eight equivalent Th atoms to form ThTh8Pa4 cuboctahedra that share corners with twelve equivalent ThTh8Pa4 cuboctahedra, edges with eight equivalent PaTh12 cuboctahedra, edges with sixteen equivalent ThTh8Pa4 cuboctahedra, faces with four equivalent PaTh12 cuboctahedra, and faces with fourteen equivalent ThTh8Pa4 cuboctahedra. All Th–Th bond lengths are 3.49 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th2PNO by Materials Project

Th2PNO crystallizes in the trigonal P3m1 space group. The structure is three-dimensional. there are two inequivalent Th4+ sites. In the first Th4+ site, Th4+ is bonded in a 4-coordinate geometry to three equivalent P3-, one N3-, and three equivalent O2- atoms. All Th–P bond lengths are 2.97 Å. The Th–N bond length is 2.37 Å. All Th–O bond lengths are 2.41 Å. In the second Th4+ site, Th4+ is bonded in a 4-coordinate geometry to three equivalent P3-, three equivalent N3-, and one O2- atom. All Th–P bond lengths are 3.04 Å. All Th–N bond lengths are 2.43 Å. The Th–O bond length is 2.44 Å. P3- is bonded to six Th4+ atoms to form PTh6 octahedra that share corners with six equivalent NTh4 tetrahedra, corners with six equivalent OTh4 tetrahedra, edges with six equivalent PTh6 octahedra, edges with three equivalent NTh4 tetrahedra, and edges with three equivalent OTh4 tetrahedra. N3- is bonded to four Th4+ atoms to form NTh4 tetrahedra that share corners with six equivalent PTh6 octahedra, corners with six equivalent NTh4 tetrahedra, edges with three equivalent PTh6 octahedra, and edges with three equivalent OTh4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–52°. O2- is bonded to four Th4+ atoms to form OTh4 tetrahedra that share corners with six equivalent PTh6 octahedra, corners with six equivalent OTh4 tetrahedra, edges with three equivalent PTh6 octahedra, and edges with three equivalent NTh4 tetrahedra. The corner-sharing octahedra tilt angles range from 23–50°.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThCo2Ni3 by Materials Project

ThCo2Ni3 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. Th is bonded in a 6-coordinate geometry to eight equivalent Co and ten Ni atoms. All Th–Co bond lengths are 3.20 Å. There are a spread of Th–Ni bond distances ranging from 2.83–3.14 Å. Co is bonded to four equivalent Th, two equivalent Co, and six Ni atoms to form CoTh4Co2Ni6 cuboctahedra that share corners with four equivalent NiTh4Co4Ni4 cuboctahedra, corners with twelve equivalent CoTh4Co2Ni6 cuboctahedra, edges with four equivalent NiTh4Co4Ni4 cuboctahedra, edges with six equivalent CoTh4Co2Ni6 cuboctahedra, faces with four equivalent NiTh4Co4Ni4 cuboctahedra, and faces with six equivalent CoTh4Co2Ni6 cuboctahedra. Both Co–Co bond lengths are 2.41 Å. There are four shorter (2.45 Å) and two longer (2.49 Å) Co–Ni bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded to four equivalent Th, four equivalent Co, and four equivalent Ni atoms to form NiTh4Co4Ni4 cuboctahedra that share corners with eight equivalent CoTh4Co2Ni6 cuboctahedra, corners with eight equivalent NiTh4Co4Ni4 cuboctahedra, edges with two equivalent NiTh4Co4Ni4 cuboctahedra, edges with eight equivalent CoTh4Co2Ni6 cuboctahedra, faces with two equivalent NiTh4Co4Ni4 cuboctahedra, and faces with eight equivalent CoTh4Co2Ni6 cuboctahedra. All Ni–Ni bond lengths are 2.49 Å. In the second Ni site, Ni is bonded in a 12-coordinate geometry to three equivalent Th, four equivalent Co, and two equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThMnCo4 by Materials Project

ThMnCo4 crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Th is bonded in a 6-coordinate geometry to three equivalent Mn and fifteen Co atoms. All Th–Mn bond lengths are 2.90 Å. There are three shorter (2.90 Å) and twelve longer (3.21 Å) Th–Co bond lengths. Mn is bonded to three equivalent Th and nine Co atoms to form distorted MnTh3Co9 cuboctahedra that share corners with twenty-one CoTh3Mn3Co6 cuboctahedra, edges with six equivalent MnTh3Co9 cuboctahedra, faces with two equivalent MnTh3Co9 cuboctahedra, and faces with twenty-one CoTh3Mn3Co6 cuboctahedra. There are six shorter (2.49 Å) and three longer (2.90 Å) Mn–Co bond lengths. There are two inequivalent Co sites. In the first Co site, Co is bonded to three equivalent Th, three equivalent Mn, and six equivalent Co atoms to form CoTh3Mn3Co6 cuboctahedra that share corners with nine equivalent MnTh3Co9 cuboctahedra, corners with twelve equivalent CoTh4Mn2Co6 cuboctahedra, edges with six equivalent CoTh3Mn3Co6 cuboctahedra, faces with three equivalent MnTh3Co9 cuboctahedra, and faces with twenty CoTh3Mn3Co6 cuboctahedra. All Co–Co bond lengths are 2.46 Å. In the second Co site, Co is bonded to four equivalent Th, two equivalent Mn, and six Co atoms to form distorted CoTh4Mn2Co6 cuboctahedra that share corners with four equivalent MnTh3Co9 cuboctahedra, corners with twenty CoTh3Mn3Co6 cuboctahedra, edges with ten equivalent CoTh4Mn2Co6 cuboctahedra, faces with six equivalent MnTh3Co9 cuboctahedra, and faces with sixteen CoTh3Mn3Co6 cuboctahedra. There are two shorter (2.47 Å) and two longer (2.56 Å) Co–Co bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th3In by Materials Project

Th3In is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Th is bonded to eight equivalent Th and four equivalent In atoms to form distorted ThTh8In4 cuboctahedra that share corners with twelve equivalent ThTh8In4 cuboctahedra, edges with eight equivalent InTh12 cuboctahedra, edges with sixteen equivalent ThTh8In4 cuboctahedra, faces with four equivalent InTh12 cuboctahedra, and faces with fourteen equivalent ThTh8In4 cuboctahedra. All Th–Th bond lengths are 3.51 Å. All Th–In bond lengths are 3.51 Å. In is bonded to twelve equivalent Th atoms to form InTh12 cuboctahedra that share corners with twelve equivalent InTh12 cuboctahedra, edges with twenty-four equivalent ThTh8In4 cuboctahedra, faces with six equivalent InTh12 cuboctahedra, and faces with twelve equivalent ThTh8In4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th6NiBr15 by Materials Project

Th6NiBr15 crystallizes in the cubic Im-3m space group. The structure is three-dimensional and consists of two Th6NiBr15 frameworks. Th is bonded to one Ni and five Br atoms to form a mixture of edge and corner-sharing ThNiBr5 octahedra. The corner-sharing octahedral tilt angles are 0°. The Th–Ni bond length is 2.82 Å. There are four shorter (2.94 Å) and one longer (3.08 Å) Th–Br bond lengths. Ni is bonded in an octahedral geometry to six equivalent Th atoms. There are two inequivalent Br sites. In the first Br site, Br is bonded in a linear geometry to two equivalent Th atoms. In the second Br site, Br is bonded in an L-shaped geometry to two equivalent Th atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on CeTh3 by Materials Project

Th3Ce is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. Th is bonded to eight equivalent Th and four equivalent Ce atoms to form ThCe4Th8 cuboctahedra that share corners with twelve equivalent ThCe4Th8 cuboctahedra, edges with eight equivalent CeTh12 cuboctahedra, edges with sixteen equivalent ThCe4Th8 cuboctahedra, faces with four equivalent CeTh12 cuboctahedra, and faces with fourteen equivalent ThCe4Th8 cuboctahedra. All Th–Th bond lengths are 3.53 Å. All Th–Ce bond lengths are 3.53 Å. Ce is bonded to twelve equivalent Th atoms to form CeTh12 cuboctahedra that share corners with twelve equivalent CeTh12 cuboctahedra, edges with twenty-four equivalent ThCe4Th8 cuboctahedra, faces with six equivalent CeTh12 cuboctahedra, and faces with twelve equivalent ThCe4Th8 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er3Th by Materials Project

ThEr3 is Magnesium-derived structured and crystallizes in the hexagonal P-6m2 space group. The structure is three-dimensional. Th is bonded to six equivalent Th and six equivalent Er atoms to form ThEr6Th6 cuboctahedra that share corners with six equivalent ThEr6Th6 cuboctahedra, corners with twelve equivalent ErEr12 cuboctahedra, edges with six equivalent ThEr6Th6 cuboctahedra, edges with twelve equivalent ErEr9Th3 cuboctahedra, faces with six equivalent ThEr6Th6 cuboctahedra, and faces with fourteen ErEr12 cuboctahedra. All Th–Th bond lengths are 3.53 Å. All Th–Er bond lengths are 3.56 Å. There are two inequivalent Er sites. In the first Er site, Er is bonded to twelve Er atoms to form ErEr12 cuboctahedra that share corners with six equivalent ErEr12 cuboctahedra, corners with twelve equivalent ThEr6Th6 cuboctahedra, edges with eighteen ErEr12 cuboctahedra, faces with two equivalent ThEr6Th6 cuboctahedra, and faces with eighteen ErEr12 cuboctahedra. There are six shorter (3.51 Å) and six longer (3.53 Å) Er–Er bond lengths. In the second Er site, Er is bonded to three equivalent Th and nine Er atoms to form ErEr9Th3 cuboctahedra that share corners with eighteen equivalent ErEr9Th3 cuboctahedra, edges with six equivalent ThEr6Th6 cuboctahedra, edges with twelve ErEr12 cuboctahedra, faces with six equivalent ThEr6Th6 cuboctahedra, and faces with fourteen ErEr12 cuboctahedra. All Er–Er bond lengths are 3.53 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on ThCoGe2 by Materials Project

ThCoGe2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Th is bonded in a 4-coordinate geometry to four equivalent Co and ten Ge atoms. All Th–Co bond lengths are 3.21 Å. There are a spread of Th–Ge bond distances ranging from 3.16–3.34 Å. Co is bonded in a 5-coordinate geometry to four equivalent Th and five Ge atoms. There are a spread of Co–Ge bond distances ranging from 2.31–2.42 Å. There are two inequivalent Ge sites. In the first Ge site, Ge is bonded in a 1-coordinate geometry to six equivalent Th, one Co, and two equivalent Ge atoms. Both Ge–Ge bond lengths are 2.57 Å. In the second Ge site, Ge is bonded in a 4-coordinate geometry to four equivalent Th and four equivalent Co atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th6MnBr15 by Materials Project

Th6MnBr15 crystallizes in the cubic Im-3m space group. The structure is three-dimensional and consists of two Th6MnBr15 frameworks. Th is bonded to one Mn and five Br atoms to form a mixture of edge and corner-sharing ThMnBr5 octahedra. The corner-sharing octahedral tilt angles are 0°. The Th–Mn bond length is 2.80 Å. There are four shorter (2.93 Å) and one longer (3.07 Å) Th–Br bond lengths. Mn is bonded in an octahedral geometry to six equivalent Th atoms. There are two inequivalent Br sites. In the first Br site, Br is bonded in a linear geometry to two equivalent Th atoms. In the second Br site, Br is bonded in an L-shaped geometry to two equivalent Th atoms.

36 MATERIALS SCIENCE↗