Materials Data on KDy(MoO4)2 by Materials Project
KDy(MoO4)2 is Zircon-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. K1+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of K–O bond distances ranging from 2.65–2.99 Å. Dy3+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Dy–O bond distances ranging from 2.28–2.52 Å. There are two inequivalent Mo6+ sites. In the first Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.75–1.89 Å. In the second Mo6+ site, Mo6+ is bonded in a tetrahedral geometry to four O2- atoms. There are a spread of Mo–O bond distances ranging from 1.75–1.87 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Dy3+ and one Mo6+ atom. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two equivalent Dy3+ and one Mo6+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one Mo6+ atom. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one K1+, one Dy3+, and one Mo6+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one Dy3+, and one Mo6+ atom. In the sixth O2- site, O2- is bonded in a 1-coordinate geometry to two equivalent K1+ and one Mo6+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal planar geometry to two equivalent Dy3+ and one Mo6+ atom. In the eighth O2- site, O2- is bonded in a distorted single-bond geometry to two equivalent K1+ and one Mo6+ atom.