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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Rb3Mg by Materials Project

Rb3Mg crystallizes in the orthorhombic Imm2 space group. The structure is one-dimensional and consists of two Rb3Mg ribbons oriented in the (1, 0, 0) direction. there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a 2-coordinate geometry to two equivalent Mg atoms. Both Rb–Mg bond lengths are 4.00 Å. In the second Rb site, Rb is bonded in a 2-coordinate geometry to two equivalent Mg atoms. Both Rb–Mg bond lengths are 4.18 Å. Mg is bonded in a 6-coordinate geometry to six Rb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Mg by Materials Project

Rb3Mg crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are three inequivalent Rb sites. In the first Rb site, Rb is bonded in a 2-coordinate geometry to eight Rb and two equivalent Mg atoms. There are a spread of Rb–Rb bond distances ranging from 4.33–4.89 Å. Both Rb–Mg bond lengths are 4.32 Å. In the second Rb site, Rb is bonded in a 2-coordinate geometry to eight Rb and two equivalent Mg atoms. Both Rb–Rb bond lengths are 4.52 Å. Both Rb–Mg bond lengths are 4.32 Å. In the third Rb site, Rb is bonded in a 2-coordinate geometry to eight Rb and two equivalent Mg atoms. Both Rb–Mg bond lengths are 4.32 Å. Mg is bonded in a 6-coordinate geometry to six Rb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Mg by Materials Project

(Rb)3Mg crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional and consists of two magnesium molecules and one Rb framework. In the Rb framework, there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a distorted body-centered cubic geometry to eight equivalent Rb atoms. All Rb–Rb bond lengths are 4.47 Å. In the second Rb site, Rb is bonded in a 12-coordinate geometry to four equivalent Rb atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Rb3Mg by Materials Project

(Rb)3Mg is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional and consists of four magnesium molecules and one Rb framework. In the Rb framework, there are two inequivalent Rb sites. In the first Rb site, Rb is bonded in a 8-coordinate geometry to four equivalent Rb atoms. All Rb–Rb bond lengths are 4.40 Å. In the second Rb site, Rb is bonded in a body-centered cubic geometry to eight equivalent Rb atoms.

36 MATERIALS SCIENCE↗