Materials Data on KP4(WO4)8 by Materials Project
KP4(WO4)8 is Potassium Silver Cyanide-like structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. K1+ is bonded in a 6-coordinate geometry to ten O2- atoms. There are a spread of K–O bond distances ranging from 2.66–3.32 Å. There are six inequivalent W+5.38+ sites. In the first W+5.38+ site, W+5.38+ is bonded to six O2- atoms to form WO6 octahedra that share corners with five WO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–12°. There are a spread of W–O bond distances ranging from 1.99–2.09 Å. In the second W+5.38+ site, W+5.38+ is bonded to six O2- atoms to form WO6 octahedra that share corners with five WO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–10°. There are a spread of W–O bond distances ranging from 1.90–2.03 Å. In the third W+5.38+ site, W+5.38+ is bonded to six O2- atoms to form WO6 octahedra that share corners with five WO6 octahedra and a cornercorner with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–11°. There are a spread of W–O bond distances ranging from 1.86–2.06 Å. In the fourth W+5.38+ site, W+5.38+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three WO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 5–11°. There are a spread of W–O bond distances ranging from 1.81–2.06 Å. In the fifth W+5.38+ site, W+5.38+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three WO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 6–9°. There are a spread of W–O bond distances ranging from 1.82–2.08 Å. In the sixth W+5.38+ site, W+5.38+ is bonded to six O2- atoms to form WO6 octahedra that share corners with three WO6 octahedra and corners with three PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 7–12°. There are a spread of W–O bond distances ranging from 1.84–2.08 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four WO6 octahedra. The corner-sharing octahedra tilt angles range from 14–37°. There are a spread of P–O bond distances ranging from 1.54–1.56 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four WO6 octahedra. The corner-sharing octahedra tilt angles range from 14–37°. There are a spread of P–O bond distances ranging from 1.52–1.56 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with four WO6 octahedra. The corner-sharing octahedra tilt angles range from 14–37°. There are a spread of P–O bond distances ranging from 1.53–1.56 Å. There are nineteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one W+5.38+, and one P5+ atom. In the second O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one W+5.38+ and one P5+ atom. In the third O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one W+5.38+, and one P5+ atom. In the fourth O2- site, O2- is bonded in a distorted linear geometry to one W+5.38+ and one P5+ atom. In the fifth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one W+5.38+, and one P5+ atom. In the sixth O2- site, O2- is bonded in a distorted linear geometry to one W+5.38+ and one P5+ atom. In the seventh O2- site, O2- is bonded in a distorted linear geometry to one W+5.38+ and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted linear geometry to one K1+ and two W+5.38+ atoms. In the ninth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the tenth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the eleventh O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the twelfth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the thirteenth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the fourteenth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the fifteenth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the sixteenth O2- site, O2- is bonded in a linear geometry to two W+5.38+ atoms. In the seventeenth O2- site, O2- is bonded in a bent 150 degrees geometry to one W+5.38+ and one P5+ atom. In the eighteenth O2- site, O2- is bonded in a 1-coordinate geometry to one K1+, one W+5.38+, and one P5+ atom. In the nineteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one K1+, one W+5.38+, and one P5+ atom.