Materials Data on Cs10Ge2O9 by Materials Project
Cs10Ge2O9 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are ten inequivalent Cs1+ sites. In the first Cs1+ site, Cs1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cs–O bond distances ranging from 2.83–3.37 Å. In the second Cs1+ site, Cs1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cs–O bond distances ranging from 2.94–3.42 Å. In the third Cs1+ site, Cs1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cs–O bond distances ranging from 2.74–3.37 Å. In the fourth Cs1+ site, Cs1+ is bonded in a 2-coordinate geometry to seven O2- atoms. There are a spread of Cs–O bond distances ranging from 2.85–3.53 Å. In the fifth Cs1+ site, Cs1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Cs–O bond distances ranging from 2.77–3.43 Å. In the sixth Cs1+ site, Cs1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cs–O bond distances ranging from 2.99–3.27 Å. In the seventh Cs1+ site, Cs1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cs–O bond distances ranging from 2.90–3.00 Å. In the eighth Cs1+ site, Cs1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cs–O bond distances ranging from 3.04–3.45 Å. In the ninth Cs1+ site, Cs1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Cs–O bond distances ranging from 2.91–3.30 Å. In the tenth Cs1+ site, Cs1+ is bonded in a 2-coordinate geometry to two O2- atoms. There are one shorter (2.76 Å) and one longer (3.01 Å) Cs–O bond lengths. There are two inequivalent Ge4+ sites. In the first Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Ge–O bond distances ranging from 1.80–1.82 Å. In the second Ge4+ site, Ge4+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Ge–O bond distances ranging from 1.80–1.82 Å. There are nine inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to six Cs1+ and one Ge4+ atom. In the second O2- site, O2- is bonded in a distorted single-bond geometry to five Cs1+ and one Ge4+ atom. In the third O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Ge4+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to four Cs1+ and one Ge4+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to four Cs1+ and one Ge4+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to five Cs1+ and one Ge4+ atom. In the seventh O2- site, O2- is bonded in a distorted single-bond geometry to five Cs1+ and one Ge4+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to six Cs1+ and one Ge4+ atom. In the ninth O2- site, O2- is bonded in a distorted pentagonal planar geometry to five Cs1+ atoms.