DOI: 10.17188/1271555
title: Materials Data on Rb2Sb8O13 by Materials Project

description: Rb2Sb8O13 crystallizes in the monoclinic P2_1/m space group. The structure is three-dimensional. there are four inequivalent Rb1+ sites. In the first Rb1+ site, Rb1+ is bonded in a distorted pentagonal bipyramidal geometry to seven O2- atoms. There are a spread of Rb–O bond distances ranging from 2.91–3.11 Å. In the second Rb1+ site, Rb1+ is bonded in a 7-coordinate geometry to nine O2- atoms. There are a spread of Rb–O bond distances ranging from 3.07–3.42 Å. In the third Rb1+ site, Rb1+ is bonded in a distorted pentagonal bipyramidal geometry to seven O2- atoms. There are a spread of Rb–O bond distances ranging from 2.99–3.09 Å. In the fourth Rb1+ site, Rb1+ is bonded in a 10-coordinate geometry to ten O2- atoms. There are a spread of Rb–O bond distances ranging from 2.96–3.45 Å. There are eight inequivalent Sb3+ sites. In the first Sb3+ site, Sb3+ is bonded in a distorted T-shaped geometry to three O2- atoms. There are a spread of Sb–O bond distances ranging from 1.99–2.01 Å. In the second Sb3+ site, Sb3+ is bonded in a distorted T-shaped geometry to three O2- atoms. There is one shorter (1.99 Å) and two longer (2.00 Å) Sb–O bond length. In the third Sb3+ site, Sb3+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.00–2.49 Å. In the fourth Sb3+ site, Sb3+ is bonded in a rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.00–2.50 Å. In the fifth Sb3+ site, Sb3+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.01–2.39 Å. In the sixth Sb3+ site, Sb3+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.00–2.54 Å. In the seventh Sb3+ site, Sb3+ is bonded in a 4-coordinate geometry to four O2- atoms. There are three shorter (2.00 Å) and one longer (2.71 Å) Sb–O bond lengths. In the eighth Sb3+ site, Sb3+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Sb–O bond distances ranging from 2.01–2.54 Å. There are fifteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Rb1+ and two Sb3+ atoms. In the second O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two Sb3+ atoms. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two Sb3+ atoms. In the fourth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Sb3+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Rb1+ and two Sb3+ atoms. In the sixth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two Sb3+ atoms. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Rb1+ and two Sb3+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Rb1+ and two Sb3+ atoms. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Rb1+ and two equivalent Sb3+ atoms. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to four Sb3+ atoms. In the eleventh O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two equivalent Sb3+ atoms. In the twelfth O2- site, O2- is bonded in an octahedral geometry to six Sb3+ atoms. In the thirteenth O2- site, O2- is bonded in a 2-coordinate geometry to two Rb1+ and two Sb3+ atoms. In the fourteenth O2- site, O2- is bonded in a distorted bent 120 degrees geometry to one Rb1+ and two Sb3+ atoms. In the fifteenth O2- site, O2- is bonded in a 2-coordinate geometry to one Rb1+ and two equivalent Sb3+ atoms.