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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Rb3Sb by Materials Project

Rb3Sb is Sodium arsenide structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a trigonal planar geometry to three equivalent Sb3- atoms. All Rb–Sb bond lengths are 3.71 Å. In the second Rb1+ site, Rb1+ is bonded in a 1-coordinate geometry to four equivalent Sb3- atoms. There are one shorter (3.77 Å) and three longer (4.18 Å) Rb–Sb bond lengths. Sb3- is bonded to eleven Rb1+ atoms to form a mixture of distorted edge and face-sharing SbRb11 trigonal bipyramids.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Sb by Materials Project

Rb3Sb is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a body-centered cubic geometry to eight equivalent Rb1+ atoms. All Rb–Rb bond lengths are 3.88 Å. In the second Rb1+ site, Rb1+ is bonded to four equivalent Rb1+ and four equivalent Sb3- atoms to form a mixture of distorted corner, edge, and face-sharing RbRb4Sb4 tetrahedra. All Rb–Sb bond lengths are 3.88 Å. Sb3- is bonded in a body-centered cubic geometry to eight equivalent Rb1+ atoms.

36 MATERIALS SCIENCE↗