Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “Sn”

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 1,405 records · Page 78
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Nd6Ni2Sn by Materials Project

Nd6Ni2Sn crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Nd sites. In the first Nd site, Nd is bonded in a 4-coordinate geometry to two Ni and two Sn atoms. There are one shorter (2.95 Å) and one longer (3.42 Å) Nd–Ni bond lengths. There are one shorter (3.20 Å) and one longer (3.48 Å) Nd–Sn bond lengths. In the second Nd site, Nd is bonded in a 5-coordinate geometry to three Ni and two Sn atoms. There are two shorter (3.03 Å) and one longer (3.33 Å) Nd–Ni bond lengths. There are one shorter (3.35 Å) and one longer (3.82 Å) Nd–Sn bond lengths. In the third Nd site, Nd is bonded in a 4-coordinate geometry to three Ni and one Sn atom. There are one shorter (2.83 Å) and two longer (2.97 Å) Nd–Ni bond lengths. The Nd–Sn bond length is 3.50 Å. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to eight Nd and one Ni atom. The Ni–Ni bond length is 2.76 Å. In the second Ni site, Ni is bonded in a 9-coordinate geometry to eight Nd and one Ni atom. The Ni–Ni bond length is 2.44 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a cuboctahedral geometry to twelve Nd atoms. In the second Sn site, Sn is bonded in a body-centered cubic geometry to eight Nd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sn3Mo by Materials Project

MoSn3 is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Mo is bonded to twelve Sn atoms to form MoSn12 cuboctahedra that share corners with four equivalent MoSn12 cuboctahedra, corners with eight equivalent SnSn8Mo4 cuboctahedra, edges with eight equivalent MoSn12 cuboctahedra, edges with sixteen equivalent SnSn8Mo4 cuboctahedra, faces with four equivalent MoSn12 cuboctahedra, and faces with fourteen SnSn8Mo4 cuboctahedra. There are eight shorter (3.16 Å) and four longer (3.18 Å) Mo–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded to four equivalent Mo and eight Sn atoms to form SnSn8Mo4 cuboctahedra that share corners with twelve equivalent SnSn8Mo4 cuboctahedra, edges with eight equivalent MoSn12 cuboctahedra, edges with sixteen SnSn8Mo4 cuboctahedra, faces with four equivalent MoSn12 cuboctahedra, and faces with fourteen SnSn8Mo4 cuboctahedra. There are four shorter (3.16 Å) and four longer (3.18 Å) Sn–Sn bond lengths. In the second Sn site, Sn is bonded to four equivalent Mo and eight equivalent Sn atoms to form SnSn8Mo4 cuboctahedra that share corners with four equivalent SnSn8Mo4 cuboctahedra, corners with eight equivalent MoSn12 cuboctahedra, edges with twenty-four SnSn8Mo4 cuboctahedra, faces with six equivalent MoSn12 cuboctahedra, and faces with twelve SnSn8Mo4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SnAs2O9 by Materials Project

(Sn(AsO4)2)2O2 crystallizes in the monoclinic P2_1/c space group. The structure is two-dimensional and consists of four water molecules and two Sn(AsO4)2 sheets oriented in the (0, 0, 1) direction. In each Sn(AsO4)2 sheet, Sn is bonded to six O atoms to form SnO6 octahedra that share corners with six AsO4 tetrahedra. There are a spread of Sn–O bond distances ranging from 2.06–2.15 Å. There are two inequivalent As sites. In the first As site, As is bonded to four O atoms to form AsO4 tetrahedra that share corners with three equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 47–50°. There is three shorter (1.72 Å) and one longer (1.76 Å) As–O bond length. In the second As site, As is bonded to four O atoms to form AsO4 tetrahedra that share corners with three equivalent SnO6 octahedra. The corner-sharing octahedra tilt angles range from 45–54°. There is three shorter (1.72 Å) and one longer (1.76 Å) As–O bond length. There are eight inequivalent O sites. In the first O site, O is bonded in a bent 120 degrees geometry to one Sn and one As atom. In the second O site, O is bonded in a distorted bent 150 degrees geometry to one Sn and one As atom. In the third O site, O is bonded in a distorted bent 120 degrees geometry to one Sn and one As atom. In the fourth O site, O is bonded in a bent 120 degrees geometry to one Sn and one As atom. In the fifth O site, O is bonded in a single-bond geometry to one As atom. In the sixth O site, O is bonded in a bent 120 degrees geometry to one Sn and one As atom. In the seventh O site, O is bonded in a bent 120 degrees geometry to one Sn and one As atom. In the eighth O site, O is bonded in a single-bond geometry to one As atom.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm(CuSn)2 by Materials Project

Sm(CuSn)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Sm is bonded in a 12-coordinate geometry to eight Cu and eight Sn atoms. There are four shorter (3.36 Å) and four longer (3.43 Å) Sm–Cu bond lengths. There are four shorter (3.36 Å) and four longer (3.55 Å) Sm–Sn bond lengths. There are two inequivalent Cu sites. In the first Cu site, Cu is bonded in a 12-coordinate geometry to four equivalent Sm and four equivalent Sn atoms. All Cu–Sn bond lengths are 2.60 Å. In the second Cu site, Cu is bonded in a 9-coordinate geometry to four equivalent Sm and five Sn atoms. There are one shorter (2.51 Å) and four longer (2.64 Å) Cu–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 4-coordinate geometry to four equivalent Sm and four equivalent Cu atoms. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent Sm and five Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr(SnAu)2 by Materials Project

Sr(AuSn)2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to eight Au and eight Sn atoms. There are four shorter (3.63 Å) and four longer (3.66 Å) Sr–Au bond lengths. There are four shorter (3.62 Å) and four longer (3.80 Å) Sr–Sn bond lengths. There are two inequivalent Au sites. In the first Au site, Au is bonded in a 4-coordinate geometry to four equivalent Sr and four equivalent Sn atoms. All Au–Sn bond lengths are 2.80 Å. In the second Au site, Au is bonded in a 9-coordinate geometry to four equivalent Sr and five Sn atoms. There are one shorter (2.67 Å) and four longer (2.85 Å) Au–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded to four equivalent Sr and four equivalent Au atoms to form a mixture of distorted face and edge-sharing SnSr4Au4 tetrahedra. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent Sr and five Au atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Mn2InCu4Sn by Materials Project

Mn2Cu4InSn is Tungsten-derived structured and crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Mn is bonded in a distorted body-centered cubic geometry to eight Cu and three equivalent Sn atoms. There are one shorter (2.68 Å) and seven longer (2.69 Å) Mn–Cu bond lengths. All Mn–Sn bond lengths are 3.10 Å. There are four inequivalent Cu sites. In the first Cu site, Cu is bonded in a body-centered cubic geometry to four equivalent Mn, three equivalent In, and one Sn atom. All Cu–In bond lengths are 2.69 Å. The Cu–Sn bond length is 2.69 Å. In the second Cu site, Cu is bonded in a body-centered cubic geometry to four equivalent Mn, one In, and three equivalent Sn atoms. The Cu–In bond length is 2.69 Å. All Cu–Sn bond lengths are 2.69 Å. In the third Cu site, Cu is bonded in a body-centered cubic geometry to four equivalent Mn, three equivalent In, and one Sn atom. There are one shorter (2.68 Å) and three longer (2.69 Å) Cu–Mn bond lengths. All Cu–In bond lengths are 2.69 Å. The Cu–Sn bond length is 2.69 Å. In the fourth Cu site, Cu is bonded in a body-centered cubic geometry to four equivalent Mn, three equivalent In, and one Sn atom. All Cu–In bond lengths are 2.69 Å. The Cu–Sn bond length is 2.69 Å. In is bonded in a distorted body-centered cubic geometry to eight Cu atoms. Sn is bonded in a distorted body-centered cubic geometry to six equivalent Mn and eight Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on LaCu5Sn by Materials Project

LaCu5Sn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. La is bonded in a 6-coordinate geometry to fifteen Cu and four equivalent Sn atoms. There are a spread of La–Cu bond distances ranging from 2.96–3.41 Å. There are a spread of La–Sn bond distances ranging from 3.33–3.43 Å. There are four inequivalent Cu sites. In the first Cu site, Cu is bonded to three equivalent La, seven Cu, and two equivalent Sn atoms to form a mixture of edge, face, and corner-sharing CuLa3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.52–2.61 Å. Both Cu–Sn bond lengths are 2.85 Å. In the second Cu site, Cu is bonded to three equivalent La, seven Cu, and two equivalent Sn atoms to form a mixture of edge, face, and corner-sharing CuLa3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.53–2.56 Å. There are one shorter (2.82 Å) and one longer (2.85 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded in a 12-coordinate geometry to three equivalent La, six Cu, and one Sn atom. The Cu–Cu bond length is 3.12 Å. The Cu–Sn bond length is 2.82 Å. In the fourth Cu site, Cu is bonded in a 11-coordinate geometry to three equivalent La, five Cu, and three equivalent Sn atoms. There are one shorter (2.70 Å) and two longer (3.08 Å) Cu–Sn bond lengths. Sn is bonded in a 1-coordinate geometry to four equivalent La and ten Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm6Co2Sn by Materials Project

Sm6Co2Sn crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Sm sites. In the first Sm site, Sm is bonded in a 5-coordinate geometry to three Co and two Sn atoms. There are two shorter (2.96 Å) and one longer (3.42 Å) Sm–Co bond lengths. There are one shorter (3.36 Å) and one longer (3.69 Å) Sm–Sn bond lengths. In the second Sm site, Sm is bonded in a 4-coordinate geometry to two Co and two Sn atoms. There are one shorter (2.89 Å) and one longer (3.27 Å) Sm–Co bond lengths. There are one shorter (3.12 Å) and one longer (3.45 Å) Sm–Sn bond lengths. In the third Sm site, Sm is bonded in a 4-coordinate geometry to three Co and one Sn atom. There are one shorter (2.82 Å) and two longer (2.90 Å) Sm–Co bond lengths. The Sm–Sn bond length is 3.53 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 9-coordinate geometry to eight Sm and one Co atom. The Co–Co bond length is 2.21 Å. In the second Co site, Co is bonded in a 9-coordinate geometry to eight Sm and one Co atom. The Co–Co bond length is 2.24 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a cuboctahedral geometry to twelve Sm atoms. In the second Sn site, Sn is bonded in a body-centered cubic geometry to eight Sm atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GaSn3 by Materials Project

GaSn3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ga is bonded in a body-centered cubic geometry to eight equivalent Sn atoms. All Ga–Sn bond lengths are 3.21 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a body-centered cubic geometry to four equivalent Ga and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.21 Å. In the second Sn site, Sn is bonded in a body-centered cubic geometry to eight equivalent Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy6Co2Sn by Materials Project

Dy6Co2Sn crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Dy sites. In the first Dy site, Dy is bonded in a 4-coordinate geometry to two Co and two Sn atoms. There are one shorter (2.71 Å) and one longer (3.20 Å) Dy–Co bond lengths. There are one shorter (3.09 Å) and one longer (3.34 Å) Dy–Sn bond lengths. In the second Dy site, Dy is bonded in a 5-coordinate geometry to three Co and two Sn atoms. There are two shorter (2.91 Å) and one longer (3.12 Å) Dy–Co bond lengths. There are one shorter (3.22 Å) and one longer (3.65 Å) Dy–Sn bond lengths. In the third Dy site, Dy is bonded in a 4-coordinate geometry to three Co and one Sn atom. There are one shorter (2.74 Å) and two longer (2.88 Å) Dy–Co bond lengths. The Dy–Sn bond length is 3.40 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 2-coordinate geometry to eight Dy atoms. In the second Co site, Co is bonded in a 9-coordinate geometry to eight Dy and one Co atom. The Co–Co bond length is 2.24 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a cuboctahedral geometry to twelve Dy atoms. In the second Sn site, Sn is bonded in a body-centered cubic geometry to eight Dy atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on GdCu5Sn by Materials Project

GdCu5Sn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Gd is bonded in a 6-coordinate geometry to fifteen Cu and four equivalent Sn atoms. There are a spread of Gd–Cu bond distances ranging from 2.90–3.39 Å. There are a spread of Gd–Sn bond distances ranging from 3.28–3.40 Å. There are four inequivalent Cu sites. In the first Cu site, Cu is bonded to three equivalent Gd, seven Cu, and two equivalent Sn atoms to form a mixture of face, edge, and corner-sharing CuGd3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.49–2.58 Å. Both Cu–Sn bond lengths are 2.82 Å. In the second Cu site, Cu is bonded to three equivalent Gd, seven Cu, and two equivalent Sn atoms to form a mixture of face, edge, and corner-sharing CuGd3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.50–2.55 Å. There are one shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded in a 12-coordinate geometry to three equivalent Gd, six Cu, and one Sn atom. The Cu–Cu bond length is 3.05 Å. The Cu–Sn bond length is 2.79 Å. In the fourth Cu site, Cu is bonded in a 4-coordinate geometry to three equivalent Gd, five Cu, and three equivalent Sn atoms. There are one shorter (2.64 Å) and two longer (3.03 Å) Cu–Sn bond lengths. Sn is bonded in a 1-coordinate geometry to four equivalent Gd and ten Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb6Co2Sn by Materials Project

Tb6Co2Sn crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Tb sites. In the first Tb site, Tb is bonded in a 4-coordinate geometry to two Co and two Sn atoms. There are one shorter (2.72 Å) and one longer (3.23 Å) Tb–Co bond lengths. There are one shorter (3.10 Å) and one longer (3.36 Å) Tb–Sn bond lengths. In the second Tb site, Tb is bonded in a 5-coordinate geometry to three Co and two Sn atoms. There are two shorter (2.92 Å) and one longer (3.13 Å) Tb–Co bond lengths. There are one shorter (3.24 Å) and one longer (3.66 Å) Tb–Sn bond lengths. In the third Tb site, Tb is bonded in a 4-coordinate geometry to three Co and one Sn atom. There are one shorter (2.76 Å) and two longer (2.89 Å) Tb–Co bond lengths. The Tb–Sn bond length is 3.42 Å. There are two inequivalent Co sites. In the first Co site, Co is bonded in a 2-coordinate geometry to eight Tb atoms. In the second Co site, Co is bonded in a 9-coordinate geometry to eight Tb and one Co atom. The Co–Co bond length is 2.24 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a cuboctahedral geometry to twelve Tb atoms. In the second Sn site, Sn is bonded in a body-centered cubic geometry to eight Tb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li3Sn3Pt2 by Materials Project

Li3Pt2Sn3 crystallizes in the cubic Ia-3 space group. The structure is three-dimensional. there are three inequivalent Li sites. In the first Li site, Li is bonded in a 4-coordinate geometry to four Li, four Pt, and six equivalent Sn atoms. There are one shorter (2.77 Å) and three longer (2.93 Å) Li–Li bond lengths. There are one shorter (2.91 Å) and three longer (3.02 Å) Li–Pt bond lengths. All Li–Sn bond lengths are 3.11 Å. In the second Li site, Li is bonded in a 7-coordinate geometry to two equivalent Li, one Pt, and six equivalent Sn atoms. The Li–Pt bond length is 2.84 Å. There are a spread of Li–Sn bond distances ranging from 2.73–3.02 Å. In the third Li site, Li is bonded in a 6-coordinate geometry to two equivalent Li and six equivalent Sn atoms. All Li–Sn bond lengths are 2.86 Å. There are two inequivalent Pt sites. In the first Pt site, Pt is bonded in a 9-coordinate geometry to three Li and six equivalent Sn atoms. There are a spread of Pt–Sn bond distances ranging from 2.77–2.83 Å. In the second Pt site, Pt is bonded in a distorted body-centered cubic geometry to two equivalent Li and six equivalent Sn atoms. All Pt–Sn bond lengths are 2.85 Å. Sn is bonded in a 10-coordinate geometry to six Li and four Pt atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SmCu5Sn by Materials Project

SmCu5Sn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Sm is bonded in a 6-coordinate geometry to fifteen Cu and four equivalent Sn atoms. There are a spread of Sm–Cu bond distances ranging from 2.91–3.37 Å. There are two shorter (3.30 Å) and two longer (3.40 Å) Sm–Sn bond lengths. There are four inequivalent Cu sites. In the first Cu site, Cu is bonded to three equivalent Sm, seven Cu, and two equivalent Sn atoms to form a mixture of corner, edge, and face-sharing CuSm3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.51–2.58 Å. Both Cu–Sn bond lengths are 2.82 Å. In the second Cu site, Cu is bonded to three equivalent Sm, seven Cu, and two equivalent Sn atoms to form a mixture of corner, edge, and face-sharing CuSm3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.50–2.55 Å. There are one shorter (2.77 Å) and one longer (2.80 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded in a 12-coordinate geometry to three equivalent Sm, six Cu, and one Sn atom. The Cu–Cu bond length is 3.06 Å. The Cu–Sn bond length is 2.80 Å. In the fourth Cu site, Cu is bonded in a 4-coordinate geometry to three equivalent Sm, five Cu, and three equivalent Sn atoms. There are one shorter (2.65 Å) and two longer (3.04 Å) Cu–Sn bond lengths. Sn is bonded in a 1-coordinate geometry to four equivalent Sm and ten Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on NdCu5Sn by Materials Project

NdCu5Sn crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Nd is bonded in a 6-coordinate geometry to fifteen Cu and four equivalent Sn atoms. There are a spread of Nd–Cu bond distances ranging from 2.95–3.40 Å. There are two shorter (3.33 Å) and two longer (3.44 Å) Nd–Sn bond lengths. There are four inequivalent Cu sites. In the first Cu site, Cu is bonded to three equivalent Nd, seven Cu, and two equivalent Sn atoms to form a mixture of corner, edge, and face-sharing CuNd3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.53–2.62 Å. Both Cu–Sn bond lengths are 2.85 Å. In the second Cu site, Cu is bonded to three equivalent Nd, seven Cu, and two equivalent Sn atoms to form a mixture of corner, edge, and face-sharing CuNd3Cu7Sn2 cuboctahedra. There are a spread of Cu–Cu bond distances ranging from 2.54–2.56 Å. There are one shorter (2.81 Å) and one longer (2.83 Å) Cu–Sn bond lengths. In the third Cu site, Cu is bonded in a 12-coordinate geometry to three equivalent Nd, six Cu, and one Sn atom. The Cu–Cu bond length is 3.10 Å. The Cu–Sn bond length is 2.82 Å. In the fourth Cu site, Cu is bonded in a 11-coordinate geometry to three equivalent Nd, five Cu, and three equivalent Sn atoms. There are one shorter (2.69 Å) and two longer (3.07 Å) Cu–Sn bond lengths. Sn is bonded in a 1-coordinate geometry to four equivalent Nd and ten Cu atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sn3Rh by Materials Project

RhSn3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Rh is bonded in a body-centered cubic geometry to eight equivalent Sn atoms. All Rh–Sn bond lengths are 3.07 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a distorted body-centered cubic geometry to four equivalent Rh and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.07 Å. In the second Sn site, Sn is bonded in a distorted body-centered cubic geometry to eight equivalent Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho6Ni2Sn by Materials Project

Ho6Ni2Sn crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are three inequivalent Ho sites. In the first Ho site, Ho is bonded in a 4-coordinate geometry to two Ni and two Sn atoms. There are one shorter (2.75 Å) and one longer (3.21 Å) Ho–Ni bond lengths. There are one shorter (3.05 Å) and one longer (3.34 Å) Ho–Sn bond lengths. In the second Ho site, Ho is bonded in a 4-coordinate geometry to three Ni and one Sn atom. There are one shorter (2.69 Å) and two longer (2.87 Å) Ho–Ni bond lengths. The Ho–Sn bond length is 3.40 Å. In the third Ho site, Ho is bonded in a 5-coordinate geometry to three Ni and two Sn atoms. There are two shorter (2.89 Å) and one longer (3.19 Å) Ho–Ni bond lengths. There are one shorter (3.27 Å) and one longer (3.59 Å) Ho–Sn bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 9-coordinate geometry to eight Ho atoms. In the second Ni site, Ni is bonded in a 9-coordinate geometry to eight Ho and one Ni atom. The Ni–Ni bond length is 2.48 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a body-centered cubic geometry to eight Ho atoms. In the second Sn site, Sn is bonded in a cuboctahedral geometry to twelve Ho atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu3(SnPd)2 by Materials Project

Eu3Pd2Sn2 crystallizes in the orthorhombic Pbcm space group. The structure is three-dimensional. there are two inequivalent Eu sites. In the first Eu site, Eu is bonded in a 7-coordinate geometry to four equivalent Pd and five Sn atoms. There are a spread of Eu–Pd bond distances ranging from 3.06–3.48 Å. There are a spread of Eu–Sn bond distances ranging from 3.34–3.67 Å. In the second Eu site, Eu is bonded in a 9-coordinate geometry to four equivalent Pd and five Sn atoms. There are two shorter (3.37 Å) and two longer (3.38 Å) Eu–Pd bond lengths. There are a spread of Eu–Sn bond distances ranging from 3.26–3.52 Å. Pd is bonded in a 10-coordinate geometry to six Eu, one Pd, and three Sn atoms. The Pd–Pd bond length is 2.94 Å. There are a spread of Pd–Sn bond distances ranging from 2.73–2.79 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded to eight Eu and four equivalent Pd atoms to form a mixture of distorted face, edge, and corner-sharing SnEu8Pd4 cuboctahedra. In the second Sn site, Sn is bonded in a 9-coordinate geometry to seven Eu and two equivalent Pd atoms.

36 MATERIALS SCIENCE↗