Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Ga”

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 1,063 records · Page 59

Materials Data on YGa5Co by Materials Project

YCoGa5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Y is bonded to twelve Ga atoms to form YGa12 cuboctahedra that share corners with four equivalent YGa12 cuboctahedra, faces with four equivalent YGa12 cuboctahedra, and faces with four equivalent GaY4Ga8 cuboctahedra. All Y–Ga bond lengths are 3.00 Å. Co is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Co–Ga bond lengths are 2.48 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 4-coordinate geometry to two equivalent Y, two equivalent Co, and seven Ga atoms. There are one shorter (2.58 Å) and six longer (3.00 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Y and eight equivalent Ga atoms to form distorted GaY4Ga8 cuboctahedra that share corners with four equivalent GaY4Ga8 cuboctahedra, faces with four equivalent YGa12 cuboctahedra, and faces with four equivalent GaY4Ga8 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on TiGa5Co by Materials Project

TiCoGa5 crystallizes in the tetragonal P4/mmm space group. The structure is three-dimensional. Ti is bonded to twelve Ga atoms to form TiGa12 cuboctahedra that share corners with four equivalent TiGa12 cuboctahedra, faces with four equivalent TiGa12 cuboctahedra, and faces with four equivalent GaTi4Ga8 cuboctahedra. There are eight shorter (2.82 Å) and four longer (2.89 Å) Ti–Ga bond lengths. Co is bonded in a body-centered cubic geometry to eight equivalent Ga atoms. All Co–Ga bond lengths are 2.43 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 4-coordinate geometry to two equivalent Ti, two equivalent Co, and seven Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.65–2.89 Å. In the second Ga site, Ga is bonded to four equivalent Ti and eight equivalent Ga atoms to form GaTi4Ga8 cuboctahedra that share corners with four equivalent GaTi4Ga8 cuboctahedra, faces with four equivalent TiGa12 cuboctahedra, and faces with four equivalent GaTi4Ga8 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on YbGa2Ag by Materials Project

YbAgGa2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Yb is bonded in a 2-coordinate geometry to five equivalent Ag and nine Ga atoms. There are a spread of Yb–Ag bond distances ranging from 3.20–3.48 Å. There are a spread of Yb–Ga bond distances ranging from 3.02–3.52 Å. Ag is bonded in a 12-coordinate geometry to five equivalent Yb, two equivalent Ag, and five Ga atoms. Both Ag–Ag bond lengths are 3.06 Å. There are a spread of Ag–Ga bond distances ranging from 2.74–2.90 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 10-coordinate geometry to five equivalent Yb, two equivalent Ag, and three equivalent Ga atoms. There are two shorter (2.65 Å) and one longer (2.74 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 10-coordinate geometry to four equivalent Yb, three equivalent Ag, and three equivalent Ga atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaGa3Cu by Materials Project

LaCuGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. La is bonded in a 8-coordinate geometry to four equivalent Cu and twelve Ga atoms. All La–Cu bond lengths are 3.41 Å. There are eight shorter (3.27 Å) and four longer (3.41 Å) La–Ga bond lengths. Cu is bonded to four equivalent La and eight Ga atoms to form distorted CuLa4Ga8 cuboctahedra that share corners with four equivalent GaLa4Ga4Cu4 cuboctahedra, corners with twelve equivalent CuLa4Ga8 cuboctahedra, edges with two equivalent GaLa4Ga4Cu4 cuboctahedra, faces with four equivalent CuLa4Ga8 cuboctahedra, and faces with four equivalent GaLa4Ga4Cu4 cuboctahedra. There are four shorter (2.55 Å) and four longer (3.02 Å) Cu–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to four equivalent La, two equivalent Cu, and three Ga atoms. There are one shorter (2.53 Å) and two longer (2.55 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent La, four equivalent Cu, and four equivalent Ga atoms to form GaLa4Ga4Cu4 cuboctahedra that share corners with four equivalent CuLa4Ga8 cuboctahedra, corners with twelve equivalent GaLa4Ga4Cu4 cuboctahedra, edges with two equivalent CuLa4Ga8 cuboctahedra, faces with four equivalent CuLa4Ga8 cuboctahedra, and faces with four equivalent GaLa4Ga4Cu4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on DyGa3Cu by Materials Project

DyCuGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to four equivalent Cu and twelve Ga atoms. All Dy–Cu bond lengths are 3.38 Å. There are eight shorter (3.13 Å) and four longer (3.38 Å) Dy–Ga bond lengths. Cu is bonded to four equivalent Dy and eight Ga atoms to form distorted CuDy4Ga8 cuboctahedra that share corners with four equivalent GaDy4Ga4Cu4 cuboctahedra, corners with twelve equivalent CuDy4Ga8 cuboctahedra, edges with two equivalent GaDy4Ga4Cu4 cuboctahedra, faces with four equivalent CuDy4Ga8 cuboctahedra, and faces with four equivalent GaDy4Ga4Cu4 cuboctahedra. There are four shorter (2.52 Å) and four longer (2.88 Å) Cu–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to four equivalent Dy, two equivalent Cu, and three Ga atoms. There are one shorter (2.44 Å) and two longer (2.52 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Dy, four equivalent Cu, and four equivalent Ga atoms to form GaDy4Ga4Cu4 cuboctahedra that share corners with four equivalent CuDy4Ga8 cuboctahedra, corners with twelve equivalent GaDy4Ga4Cu4 cuboctahedra, edges with two equivalent CuDy4Ga8 cuboctahedra, faces with four equivalent CuDy4Ga8 cuboctahedra, and faces with four equivalent GaDy4Ga4Cu4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on MgGa5 by Materials Project

MgGa5 crystallizes in the trigonal R32 space group. The structure is three-dimensional. Mg is bonded to twelve Ga atoms to form MgGa12 cuboctahedra that share corners with six equivalent MgGa12 cuboctahedra, corners with twelve equivalent GaMg3Ga9 cuboctahedra, edges with six equivalent MgGa12 cuboctahedra, edges with twelve equivalent GaMg2Ga10 cuboctahedra, and faces with twenty GaMg2Ga10 cuboctahedra. All Mg–Ga bond lengths are 2.98 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to two equivalent Mg and ten Ga atoms to form distorted GaMg2Ga10 cuboctahedra that share corners with eighteen equivalent GaMg2Ga10 cuboctahedra, edges with four equivalent MgGa12 cuboctahedra, edges with fourteen GaMg2Ga10 cuboctahedra, faces with four equivalent MgGa12 cuboctahedra, and faces with sixteen GaMg2Ga10 cuboctahedra. There are a spread of Ga–Ga bond distances ranging from 2.96–2.99 Å. In the second Ga site, Ga is bonded to three equivalent Mg and nine Ga atoms to form distorted GaMg3Ga9 cuboctahedra that share corners with six equivalent MgGa12 cuboctahedra, corners with twelve equivalent GaMg3Ga9 cuboctahedra, edges with eighteen GaMg2Ga10 cuboctahedra, faces with four equivalent MgGa12 cuboctahedra, and faces with sixteen GaMg2Ga10 cuboctahedra. All Ga–Ga bond lengths are 2.98 Å.

36 MATERIALS SCIENCE↗

Materials Data on SmGa3Pd by Materials Project

SmPdGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to four equivalent Pd and twelve Ga atoms. All Sm–Pd bond lengths are 3.43 Å. There are eight shorter (3.22 Å) and four longer (3.43 Å) Sm–Ga bond lengths. Pd is bonded to four equivalent Sm and eight Ga atoms to form distorted PdSm4Ga8 cuboctahedra that share corners with four equivalent GaSm4Ga4Pd4 cuboctahedra, corners with twelve equivalent PdSm4Ga8 cuboctahedra, edges with two equivalent GaSm4Ga4Pd4 cuboctahedra, faces with four equivalent PdSm4Ga8 cuboctahedra, and faces with four equivalent GaSm4Ga4Pd4 cuboctahedra. There are four shorter (2.57 Å) and four longer (2.97 Å) Pd–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to four equivalent Sm, two equivalent Pd, and three Ga atoms. There are one shorter (2.47 Å) and two longer (2.57 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Sm, four equivalent Pd, and four equivalent Ga atoms to form GaSm4Ga4Pd4 cuboctahedra that share corners with four equivalent PdSm4Ga8 cuboctahedra, corners with twelve equivalent GaSm4Ga4Pd4 cuboctahedra, edges with two equivalent PdSm4Ga8 cuboctahedra, faces with four equivalent PdSm4Ga8 cuboctahedra, and faces with four equivalent GaSm4Ga4Pd4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on NdGa3Pd by Materials Project

NdPdGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Nd is bonded in a 12-coordinate geometry to four equivalent Pd and twelve Ga atoms. All Nd–Pd bond lengths are 3.44 Å. There are eight shorter (3.24 Å) and four longer (3.44 Å) Nd–Ga bond lengths. Pd is bonded to four equivalent Nd and eight Ga atoms to form distorted PdNd4Ga8 cuboctahedra that share corners with four equivalent GaNd4Ga4Pd4 cuboctahedra, corners with twelve equivalent PdNd4Ga8 cuboctahedra, edges with two equivalent GaNd4Ga4Pd4 cuboctahedra, faces with four equivalent PdNd4Ga8 cuboctahedra, and faces with four equivalent GaNd4Ga4Pd4 cuboctahedra. There are four shorter (2.58 Å) and four longer (2.99 Å) Pd–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to four equivalent Nd, two equivalent Pd, and three Ga atoms. There are one shorter (2.49 Å) and two longer (2.58 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Nd, four equivalent Pd, and four equivalent Ga atoms to form GaNd4Ga4Pd4 cuboctahedra that share corners with four equivalent PdNd4Ga8 cuboctahedra, corners with twelve equivalent GaNd4Ga4Pd4 cuboctahedra, edges with two equivalent PdNd4Ga8 cuboctahedra, faces with four equivalent PdNd4Ga8 cuboctahedra, and faces with four equivalent GaNd4Ga4Pd4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on ErGa6 by Materials Project

ErGa6 crystallizes in the tetragonal P4/nbm space group. The structure is three-dimensional. Er is bonded to twelve Ga atoms to form a mixture of edge and face-sharing ErGa12 cuboctahedra. There are four shorter (3.08 Å) and eight longer (3.23 Å) Er–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to four equivalent Er and five Ga atoms. There are one shorter (2.42 Å) and four longer (2.60 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 4-coordinate geometry to one Er and three Ga atoms. The Ga–Ga bond length is 2.51 Å.

36 MATERIALS SCIENCE↗

Materials Data on LaGa3Pd by Materials Project

LaPdGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to four equivalent Pd and twelve Ga atoms. All La–Pd bond lengths are 3.44 Å. There are eight shorter (3.32 Å) and four longer (3.44 Å) La–Ga bond lengths. Pd is bonded to four equivalent La and eight Ga atoms to form distorted PdLa4Ga8 cuboctahedra that share corners with four equivalent GaLa4Ga4Pd4 cuboctahedra, corners with twelve equivalent PdLa4Ga8 cuboctahedra, edges with two equivalent GaLa4Ga4Pd4 cuboctahedra, faces with four equivalent PdLa4Ga8 cuboctahedra, and faces with four equivalent GaLa4Ga4Pd4 cuboctahedra. There are four shorter (2.58 Å) and four longer (3.07 Å) Pd–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to four equivalent La, two equivalent Pd, and three Ga atoms. There are one shorter (2.54 Å) and two longer (2.58 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent La, four equivalent Pd, and four equivalent Ga atoms to form GaLa4Ga4Pd4 cuboctahedra that share corners with four equivalent PdLa4Ga8 cuboctahedra, corners with twelve equivalent GaLa4Ga4Pd4 cuboctahedra, edges with two equivalent PdLa4Ga8 cuboctahedra, faces with four equivalent PdLa4Ga8 cuboctahedra, and faces with four equivalent GaLa4Ga4Pd4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Ga5Ni by Materials Project

NiGa5 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Ni is bonded in a 10-coordinate geometry to ten Ga atoms. There are two shorter (2.46 Å) and eight longer (2.63 Å) Ni–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a distorted linear geometry to two equivalent Ni and eight equivalent Ga atoms. All Ga–Ga bond lengths are 2.79 Å. In the second Ga site, Ga is bonded in a 9-coordinate geometry to two equivalent Ni and seven Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.68–2.83 Å.

36 MATERIALS SCIENCE↗

Materials Data on VGa2FeCo4 by Materials Project

VFeCo4Ga2 is Tungsten-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. V is bonded in a body-centered cubic geometry to eight Co atoms. There are two shorter (2.47 Å) and six longer (2.48 Å) V–Co bond lengths. Fe is bonded in a body-centered cubic geometry to eight Co atoms. There are six shorter (2.49 Å) and two longer (2.50 Å) Fe–Co bond lengths. There are six inequivalent Co sites. In the first Co site, Co is bonded in a body-centered cubic geometry to one V, three equivalent Fe, and four equivalent Ga atoms. There are three shorter (2.48 Å) and one longer (2.49 Å) Co–Ga bond lengths. In the second Co site, Co is bonded in a distorted body-centered cubic geometry to three equivalent V, one Fe, and four equivalent Ga atoms. The Co–Fe bond length is 2.50 Å. There are one shorter (2.47 Å) and three longer (2.50 Å) Co–Ga bond lengths. In the third Co site, Co is bonded in a distorted body-centered cubic geometry to three equivalent V, one Fe, and four equivalent Ga atoms. There are one shorter (2.47 Å) and three longer (2.50 Å) Co–Ga bond lengths. In the fourth Co site, Co is bonded in a body-centered cubic geometry to one V, three equivalent Fe, and four equivalent Ga atoms. All Co–Fe bond lengths are 2.49 Å. There are three shorter (2.48 Å) and one longer (2.49 Å) Co–Ga bond lengths. In the fifth Co site, Co is bonded in a distorted body-centered cubic geometry to three equivalent V, one Fe, and four equivalent Ga atoms. All Co–V bond lengths are 2.48 Å. There are one shorter (2.47 Å) and three longer (2.50 Å) Co–Ga bond lengths. In the sixth Co site, Co is bonded in a body-centered cubic geometry to one V, three equivalent Fe, and four equivalent Ga atoms. The Co–V bond length is 2.47 Å. There are three shorter (2.48 Å) and one longer (2.49 Å) Co–Ga bond lengths. Ga is bonded in a distorted body-centered cubic geometry to eight Co atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ho4Ga12Pd by Materials Project

Ho4PdGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Ho is bonded to twelve Ga atoms to form HoGa12 cuboctahedra that share corners with twelve equivalent HoGa12 cuboctahedra, edges with twelve equivalent GaHo4Ga8 cuboctahedra, faces with six equivalent HoGa12 cuboctahedra, faces with six equivalent GaHo4Ga8 cuboctahedra, and faces with two equivalent PdGa6 octahedra. There are six shorter (3.05 Å) and six longer (3.08 Å) Ho–Ga bond lengths. Pd is bonded to six equivalent Ga atoms to form PdGa6 octahedra that share corners with twenty-four equivalent GaHo4Ga8 cuboctahedra and faces with eight equivalent HoGa12 cuboctahedra. All Pd–Ga bond lengths are 2.56 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Ho and eight Ga atoms to form distorted GaHo4Ga8 cuboctahedra that share corners with four equivalent GaHo4Ga8 cuboctahedra, corners with four equivalent PdGa6 octahedra, edges with eight equivalent HoGa12 cuboctahedra, edges with eight equivalent GaHo4Ga8 cuboctahedra, faces with four equivalent HoGa12 cuboctahedra, and faces with six equivalent GaHo4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 51°. There are four shorter (2.79 Å) and four longer (3.05 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four equivalent Ho, one Pd, and four equivalent Ga atoms.

36 MATERIALS SCIENCE↗

Materials Data on MgGa by Materials Project

MgGa crystallizes in the orthorhombic Amm2 space group. The structure is three-dimensional. there are three inequivalent Mg sites. In the first Mg site, Mg is bonded in a 12-coordinate geometry to six Ga atoms. There are two shorter (2.88 Å) and four longer (3.06 Å) Mg–Ga bond lengths. In the second Mg site, Mg is bonded in a 12-coordinate geometry to four Ga atoms. There are two shorter (2.84 Å) and two longer (3.00 Å) Mg–Ga bond lengths. In the third Mg site, Mg is bonded to four Ga atoms to form distorted edge-sharing MgGa4 cuboctahedra. There are two shorter (3.01 Å) and two longer (3.07 Å) Mg–Ga bond lengths. There are three inequivalent Ga sites. In the first Ga site, Ga is bonded in a 4-coordinate geometry to four Mg atoms. In the second Ga site, Ga is bonded in a 12-coordinate geometry to six Mg atoms. In the third Ga site, Ga is bonded in a 12-coordinate geometry to four Mg atoms.

36 MATERIALS SCIENCE↗

Materials Data on Ga9Rh2 by Materials Project

Rh2Ga9 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Rh is bonded in a 9-coordinate geometry to nine Ga atoms. There are a spread of Rh–Ga bond distances ranging from 2.46–2.70 Å. There are five inequivalent Ga sites. In the first Ga site, Ga is bonded in a linear geometry to two equivalent Rh atoms. In the second Ga site, Ga is bonded in a 2-coordinate geometry to two equivalent Rh atoms. In the third Ga site, Ga is bonded in a 2-coordinate geometry to two equivalent Rh atoms. In the fourth Ga site, Ga is bonded in a distorted bent 120 degrees geometry to two equivalent Rh atoms. In the fifth Ga site, Ga is bonded in a 2-coordinate geometry to two equivalent Rh atoms.

36 MATERIALS SCIENCE↗

Materials Data on SmGa3Pt by Materials Project

SmPtGa3 crystallizes in the tetragonal I-4m2 space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to four equivalent Pt and twelve Ga atoms. All Sm–Pt bond lengths are 3.44 Å. There are eight shorter (3.20 Å) and four longer (3.44 Å) Sm–Ga bond lengths. Pt is bonded to four equivalent Sm and eight Ga atoms to form distorted PtSm4Ga8 cuboctahedra that share corners with four equivalent GaSm4Ga4Pt4 cuboctahedra, corners with twelve equivalent PtSm4Ga8 cuboctahedra, edges with two equivalent GaSm4Ga4Pt4 cuboctahedra, faces with four equivalent PtSm4Ga8 cuboctahedra, and faces with four equivalent GaSm4Ga4Pt4 cuboctahedra. There are four shorter (2.57 Å) and four longer (2.95 Å) Pt–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 2-coordinate geometry to four equivalent Sm, two equivalent Pt, and three Ga atoms. There are one shorter (2.45 Å) and two longer (2.57 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded to four equivalent Sm, four equivalent Pt, and four equivalent Ga atoms to form GaSm4Ga4Pt4 cuboctahedra that share corners with four equivalent PtSm4Ga8 cuboctahedra, corners with twelve equivalent GaSm4Ga4Pt4 cuboctahedra, edges with two equivalent PtSm4Ga8 cuboctahedra, faces with four equivalent PtSm4Ga8 cuboctahedra, and faces with four equivalent GaSm4Ga4Pt4 cuboctahedra.

36 MATERIALS SCIENCE↗

Materials Data on Y4Ga12Fe by Materials Project

Y4FeGa12 crystallizes in the cubic Im-3m space group. The structure is three-dimensional. Y is bonded to twelve Ga atoms to form YGa12 cuboctahedra that share corners with twelve equivalent YGa12 cuboctahedra, edges with twelve equivalent GaY4Ga8 cuboctahedra, faces with six equivalent YGa12 cuboctahedra, faces with six equivalent GaY4Ga8 cuboctahedra, and faces with two equivalent FeGa6 octahedra. There are six shorter (3.04 Å) and six longer (3.05 Å) Y–Ga bond lengths. Fe is bonded to six equivalent Ga atoms to form FeGa6 octahedra that share corners with twenty-four equivalent GaY4Ga8 cuboctahedra and faces with eight equivalent YGa12 cuboctahedra. All Fe–Ga bond lengths are 2.43 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded to four equivalent Y and eight Ga atoms to form distorted GaY4Ga8 cuboctahedra that share corners with four equivalent GaY4Ga8 cuboctahedra, corners with four equivalent FeGa6 octahedra, edges with eight equivalent YGa12 cuboctahedra, edges with eight equivalent GaY4Ga8 cuboctahedra, faces with four equivalent YGa12 cuboctahedra, and faces with six equivalent GaY4Ga8 cuboctahedra. The corner-sharing octahedral tilt angles are 49°. There are four shorter (2.84 Å) and four longer (3.04 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 5-coordinate geometry to four equivalent Y, one Fe, and four equivalent Ga atoms.

36 MATERIALS SCIENCE↗

Materials Data on TbGa2Ag by Materials Project

TbAgGa2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Tb is bonded in a 11-coordinate geometry to five equivalent Ag and nine Ga atoms. There are a spread of Tb–Ag bond distances ranging from 3.22–3.44 Å. There are a spread of Tb–Ga bond distances ranging from 3.00–3.49 Å. Ag is bonded in a 12-coordinate geometry to five equivalent Tb, two equivalent Ag, and five Ga atoms. Both Ag–Ag bond lengths are 3.03 Å. There are a spread of Ag–Ga bond distances ranging from 2.68–2.88 Å. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 10-coordinate geometry to four equivalent Tb, three equivalent Ag, and three equivalent Ga atoms. There are two shorter (2.65 Å) and one longer (2.74 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 10-coordinate geometry to five equivalent Tb, two equivalent Ag, and three equivalent Ga atoms.

36 MATERIALS SCIENCE↗