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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrSnHg by Materials Project

SrHgSn crystallizes in the hexagonal P6_3mc space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to six equivalent Hg and six equivalent Sn atoms. There are three shorter (3.34 Å) and three longer (3.81 Å) Sr–Hg bond lengths. There are three shorter (3.41 Å) and three longer (3.72 Å) Sr–Sn bond lengths. Hg is bonded in a 9-coordinate geometry to six equivalent Sr and three equivalent Sn atoms. All Hg–Sn bond lengths are 2.97 Å. Sn is bonded in a 9-coordinate geometry to six equivalent Sr and three equivalent Hg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on SrSnHg2 by Materials Project

SrHg2Sn crystallizes in the orthorhombic Immm space group. The structure is one-dimensional and consists of two SrHg2Sn ribbons oriented in the (1, 0, 0) direction. Sr is bonded in a linear geometry to two equivalent Hg atoms. Both Sr–Hg bond lengths are 3.29 Å. Hg is bonded in a linear geometry to one Sr and one Sn atom. The Hg–Sn bond length is 2.88 Å. Sn is bonded in a linear geometry to two equivalent Hg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr(SnHg)2 by Materials Project

Sr(HgSn)2 crystallizes in the monoclinic C2/m space group. The structure is three-dimensional. Sr is bonded in a 12-coordinate geometry to seven Hg and seven Sn atoms. There are a spread of Sr–Hg bond distances ranging from 3.50–3.92 Å. There are a spread of Sr–Sn bond distances ranging from 3.58–3.79 Å. There are two inequivalent Hg sites. In the first Hg site, Hg is bonded in a 8-coordinate geometry to four equivalent Sr and four Sn atoms. There are a spread of Hg–Sn bond distances ranging from 2.92–3.21 Å. In the second Hg site, Hg is bonded in a 7-coordinate geometry to three equivalent Sr and four Sn atoms. There are a spread of Hg–Sn bond distances ranging from 2.91–3.26 Å. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to three equivalent Sr, four Hg, and one Sn atom. The Sn–Sn bond length is 2.92 Å. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent Sr, four Hg, and one Sn atom. The Sn–Sn bond length is 2.95 Å.

36 MATERIALS SCIENCE↗