Materials Data on Cd5Ge(PO6)2 by Materials Project
Cd5Ge(PO6)2 crystallizes in the orthorhombic P2_12_12_1 space group. The structure is three-dimensional. there are five inequivalent Cd2+ sites. In the first Cd2+ site, Cd2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Cd–O bond distances ranging from 2.26–2.50 Å. In the second Cd2+ site, Cd2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Cd–O bond distances ranging from 2.23–2.65 Å. In the third Cd2+ site, Cd2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Cd–O bond distances ranging from 2.26–2.84 Å. In the fourth Cd2+ site, Cd2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Cd–O bond distances ranging from 2.28–2.86 Å. In the fifth Cd2+ site, Cd2+ is bonded in a 7-coordinate geometry to seven O2- atoms. There are a spread of Cd–O bond distances ranging from 2.21–2.92 Å. Ge4+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Ge–O bond distances ranging from 1.76–1.80 Å. There are two inequivalent P5+ sites. In the first P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There is one shorter (1.55 Å) and three longer (1.56 Å) P–O bond length. In the second P5+ site, P5+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of P–O bond distances ranging from 1.55–1.58 Å. There are twelve inequivalent O2- sites. In the first O2- site, O2- is bonded to three Cd2+ and one Ge4+ atom to form distorted corner-sharing OCd3Ge tetrahedra. In the second O2- site, O2- is bonded in a 1-coordinate geometry to two Cd2+ and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to three Cd2+ and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted single-bond geometry to three Cd2+ and one P5+ atom. In the fifth O2- site, O2- is bonded to three Cd2+ and one Ge4+ atom to form distorted corner-sharing OCd3Ge tetrahedra. In the sixth O2- site, O2- is bonded in a 3-coordinate geometry to three Cd2+ and one Ge4+ atom. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to three Cd2+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a 1-coordinate geometry to two Cd2+ and one P5+ atom. In the ninth O2- site, O2- is bonded in a 1-coordinate geometry to three Cd2+ and one P5+ atom. In the tenth O2- site, O2- is bonded in a 4-coordinate geometry to three Cd2+ and one Ge4+ atom. In the eleventh O2- site, O2- is bonded in a 1-coordinate geometry to three Cd2+ and one P5+ atom. In the twelfth O2- site, O2- is bonded in a 3-coordinate geometry to two Cd2+ and one P5+ atom.