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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Sr(Ni2Sn)2 by Materials Project

Sr(Ni2Sn)2 crystallizes in the tetragonal I4/mcm space group. The structure is three-dimensional. Sr is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Sn atoms. All Sr–Ni bond lengths are 3.14 Å. All Sr–Sn bond lengths are 3.55 Å. Ni is bonded in a 9-coordinate geometry to two equivalent Sr, three equivalent Ni, and four equivalent Sn atoms. There are one shorter (2.53 Å) and two longer (2.55 Å) Ni–Ni bond lengths. There are a spread of Ni–Sn bond distances ranging from 2.60–2.66 Å. Sn is bonded in a 12-coordinate geometry to four equivalent Sr and eight equivalent Ni atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrNiSn3 by Materials Project

SrNiSn3 crystallizes in the tetragonal I4mm space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to five equivalent Ni and twelve Sn atoms. There are one shorter (3.75 Å) and four longer (3.81 Å) Sr–Ni bond lengths. There are a spread of Sr–Sn bond distances ranging from 3.47–3.65 Å. Ni is bonded in a 5-coordinate geometry to five equivalent Sr and five Sn atoms. There are one shorter (2.51 Å) and four longer (2.59 Å) Ni–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 5-coordinate geometry to four equivalent Sr, one Ni, and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.11 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to four equivalent Sr, two equivalent Ni, and two equivalent Sn atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrNiSn2 by Materials Project

SrNiSn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Sr is bonded in a 4-coordinate geometry to four equivalent Ni and ten Sn atoms. All Sr–Ni bond lengths are 3.54 Å. There are a spread of Sr–Sn bond distances ranging from 3.47–3.76 Å. Ni is bonded in a 9-coordinate geometry to four equivalent Sr and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.54–2.67 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to six equivalent Sr, one Ni, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.91 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to four equivalent Sr and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗