Materials Data on RbSm2Br5 by Materials Project
RbSm2Br5 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Rb1+ is bonded in a 6-coordinate geometry to six Br1- atoms. There are a spread of Rb–Br bond distances ranging from 3.38–3.74 Å. There are two inequivalent Sm2+ sites. In the first Sm2+ site, Sm2+ is bonded in a 6-coordinate geometry to seven Br1- atoms. There are a spread of Sm–Br bond distances ranging from 2.90–3.62 Å. In the second Sm2+ site, Sm2+ is bonded in a 6-coordinate geometry to six Br1- atoms. There are a spread of Sm–Br bond distances ranging from 2.94–3.09 Å. There are five inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a 3-coordinate geometry to two equivalent Rb1+ and one Sm2+ atom. In the second Br1- site, Br1- is bonded in a 3-coordinate geometry to one Rb1+ and two Sm2+ atoms. In the third Br1- site, Br1- is bonded in a 5-coordinate geometry to two equivalent Rb1+ and three Sm2+ atoms. In the fourth Br1- site, Br1- is bonded in a 4-coordinate geometry to one Rb1+ and three Sm2+ atoms. In the fifth Br1- site, Br1- is bonded in a 4-coordinate geometry to four Sm2+ atoms.