Materials Data on RbBiF3 by Materials Project
RbBiF3 crystallizes in the triclinic P1 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 F1- atoms. There are a spread of Rb–F bond distances ranging from 2.73–3.07 Å. In the second Rb1+ site, Rb1+ is bonded in a 6-coordinate geometry to six F1- atoms. There are a spread of Rb–F bond distances ranging from 2.73–3.09 Å. There are two inequivalent Bi2+ sites. In the first Bi2+ site, Bi2+ is bonded in a 4-coordinate geometry to four F1- atoms. There are a spread of Bi–F bond distances ranging from 2.23–2.51 Å. In the second Bi2+ site, Bi2+ is bonded in a 4-coordinate geometry to four F1- atoms. There are a spread of Bi–F bond distances ranging from 2.22–2.59 Å. There are six inequivalent F1- sites. In the first F1- site, F1- is bonded to three Rb1+ and one Bi2+ atom to form a mixture of distorted edge and corner-sharing FRb3Bi tetrahedra. In the second F1- site, F1- is bonded in a trigonal non-coplanar geometry to one Rb1+ and two Bi2+ atoms. In the third F1- site, F1- is bonded in a trigonal non-coplanar geometry to one Rb1+ and two Bi2+ atoms. In the fourth F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent Rb1+ and one Bi2+ atom. In the fifth F1- site, F1- is bonded to three Rb1+ and one Bi2+ atom to form a mixture of distorted edge and corner-sharing FRb3Bi tetrahedra. In the sixth F1- site, F1- is bonded in a 2-coordinate geometry to two equivalent Rb1+ and one Bi2+ atom.