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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on SrAgSb by Materials Project

SrSbAg crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional and consists of two silver molecules and one SrSb framework. In the SrSb framework, Sr2+ is bonded to five equivalent Sb3- atoms to form a mixture of corner and edge-sharing SrSb5 trigonal bipyramids. There are three shorter (3.19 Å) and two longer (3.29 Å) Sr–Sb bond lengths. Sb3- is bonded to five equivalent Sr2+ atoms to form a mixture of corner and edge-sharing SbSr5 trigonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr(Ag2Sb)2 by Materials Project

SrAg4Sb2 crystallizes in the trigonal R-3m space group. The structure is three-dimensional. Sr2+ is bonded to six equivalent Sb3- atoms to form edge-sharing SrSb6 octahedra. All Sr–Sb bond lengths are 3.44 Å. There are two inequivalent Ag1+ sites. In the first Ag1+ site, Ag1+ is bonded in a 1-coordinate geometry to six Ag1+ and four equivalent Sb3- atoms. There are three shorter (2.97 Å) and three longer (3.05 Å) Ag–Ag bond lengths. There are one shorter (2.86 Å) and three longer (3.21 Å) Ag–Sb bond lengths. In the second Ag1+ site, Ag1+ is bonded in a 3-coordinate geometry to three equivalent Ag1+ and three equivalent Sb3- atoms. All Ag–Sb bond lengths are 2.84 Å. Sb3- is bonded in a 10-coordinate geometry to three equivalent Sr2+ and seven Ag1+ atoms.

36 MATERIALS SCIENCE↗