Materials Data on RbMo3Br7 by Materials Project
RbMo3Br7 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six Br1- atoms. There are a spread of Rb–Br bond distances ranging from 3.50–3.70 Å. In the second Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six Br1- atoms. There are a spread of Rb–Br bond distances ranging from 3.43–3.95 Å. There are six inequivalent Mo2+ sites. In the first Mo2+ site, Mo2+ is bonded to five Br1- atoms to form edge-sharing MoBr5 square pyramids. There are a spread of Mo–Br bond distances ranging from 2.62–2.68 Å. In the second Mo2+ site, Mo2+ is bonded to five Br1- atoms to form edge-sharing MoBr5 square pyramids. There are three shorter (2.62 Å) and two longer (2.63 Å) Mo–Br bond lengths. In the third Mo2+ site, Mo2+ is bonded to five Br1- atoms to form edge-sharing MoBr5 square pyramids. There are a spread of Mo–Br bond distances ranging from 2.62–2.65 Å. In the fourth Mo2+ site, Mo2+ is bonded to five Br1- atoms to form edge-sharing MoBr5 square pyramids. There are a spread of Mo–Br bond distances ranging from 2.61–2.65 Å. In the fifth Mo2+ site, Mo2+ is bonded to five Br1- atoms to form edge-sharing MoBr5 square pyramids. There are two shorter (2.62 Å) and three longer (2.63 Å) Mo–Br bond lengths. In the sixth Mo2+ site, Mo2+ is bonded to five Br1- atoms to form edge-sharing MoBr5 square pyramids. There are a spread of Mo–Br bond distances ranging from 2.62–2.68 Å. There are fourteen inequivalent Br1- sites. In the first Br1- site, Br1- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Rb1+ and one Mo2+ atom. In the second Br1- site, Br1- is bonded in a 12-coordinate geometry to three Mo2+ atoms. In the third Br1- site, Br1- is bonded in a 4-coordinate geometry to one Rb1+ and three Mo2+ atoms. In the fourth Br1- site, Br1- is bonded in a 3-coordinate geometry to two equivalent Rb1+ and one Mo2+ atom. In the fifth Br1- site, Br1- is bonded in a 5-coordinate geometry to three Mo2+ atoms. In the sixth Br1- site, Br1- is bonded in a 4-coordinate geometry to one Rb1+ and three Mo2+ atoms. In the seventh Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and one Mo2+ atom. In the eighth Br1- site, Br1- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and one Mo2+ atom. In the ninth Br1- site, Br1- is bonded in a 5-coordinate geometry to three Mo2+ atoms. In the tenth Br1- site, Br1- is bonded in a 5-coordinate geometry to three Mo2+ atoms. In the eleventh Br1- site, Br1- is bonded in a 3-coordinate geometry to two equivalent Rb1+ and one Mo2+ atom. In the twelfth Br1- site, Br1- is bonded in a 12-coordinate geometry to three Mo2+ atoms. In the thirteenth Br1- site, Br1- is bonded in a 12-coordinate geometry to three Mo2+ atoms. In the fourteenth Br1- site, Br1- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Rb1+ and one Mo2+ atom.