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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on In3Sn by Materials Project

In3Sn is Protactinium-derived structured and crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. there are two inequivalent In sites. In the first In site, In is bonded in a 10-coordinate geometry to seven In and three equivalent Sn atoms. There are a spread of In–In bond distances ranging from 3.27–3.36 Å. There are two shorter (3.38 Å) and one longer (3.40 Å) In–Sn bond lengths. In the second In site, In is bonded in a distorted q6 geometry to ten In atoms. All In–In bond lengths are 3.27 Å. Sn is bonded in a distorted q6 geometry to six equivalent In and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.27 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on In3Sn by Materials Project

In3Sn is Uranium Silicide structured and crystallizes in the cubic Pm-3m space group. The structure is three-dimensional. In is bonded to eight equivalent In and four equivalent Sn atoms to form InIn8Sn4 cuboctahedra that share corners with twelve equivalent InIn8Sn4 cuboctahedra, edges with eight equivalent SnIn12 cuboctahedra, edges with sixteen equivalent InIn8Sn4 cuboctahedra, faces with four equivalent SnIn12 cuboctahedra, and faces with fourteen equivalent InIn8Sn4 cuboctahedra. All In–In bond lengths are 3.39 Å. All In–Sn bond lengths are 3.39 Å. Sn is bonded to twelve equivalent In atoms to form SnIn12 cuboctahedra that share corners with twelve equivalent SnIn12 cuboctahedra, edges with twenty-four equivalent InIn8Sn4 cuboctahedra, faces with six equivalent SnIn12 cuboctahedra, and faces with twelve equivalent InIn8Sn4 cuboctahedra.

36 MATERIALS SCIENCE↗