Materials Data on RbCr4BiO14 by Materials Project
RbCr4BiO14 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. Rb1+ is bonded in a 11-coordinate geometry to eleven O2- atoms. There are a spread of Rb–O bond distances ranging from 3.01–3.52 Å. There are four inequivalent Cr6+ sites. In the first Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.60–1.76 Å. In the second Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.61–1.78 Å. In the third Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.61–1.77 Å. In the fourth Cr6+ site, Cr6+ is bonded to four O2- atoms to form corner-sharing CrO4 tetrahedra. There are a spread of Cr–O bond distances ranging from 1.61–1.77 Å. Bi3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.36–2.56 Å. There are fourteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted single-bond geometry to one Cr6+ and one Bi3+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Cr6+, and one Bi3+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to one Cr6+ and one Bi3+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Cr6+, and one Bi3+ atom. In the fifth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Cr6+, and one Bi3+ atom. In the sixth O2- site, O2- is bonded in a single-bond geometry to two equivalent Rb1+ and one Cr6+ atom. In the seventh O2- site, O2- is bonded in a single-bond geometry to one Rb1+ and one Cr6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to one Rb1+, one Cr6+, and one Bi3+ atom. In the ninth O2- site, O2- is bonded in a single-bond geometry to two equivalent Rb1+ and one Cr6+ atom. In the tenth O2- site, O2- is bonded in a distorted single-bond geometry to one Cr6+ and one Bi3+ atom. In the eleventh O2- site, O2- is bonded in a bent 150 degrees geometry to two Cr6+ atoms. In the twelfth O2- site, O2- is bonded in a distorted single-bond geometry to one Cr6+ and one Bi3+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Cr6+ atoms. In the fourteenth O2- site, O2- is bonded in a single-bond geometry to two equivalent Rb1+ and one Cr6+ atom.