DOI: 10.17188/1292276
title: Materials Data on K9(WO3)20 by Materials Project

description: K9(WO3)20 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent K sites. In the first K site, K is bonded in a 6-coordinate geometry to thirteen O atoms. There are a spread of K–O bond distances ranging from 2.82–3.29 Å. In the second K site, K is bonded in a 6-coordinate geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.82–2.93 Å. In the third K site, K is bonded in a 6-coordinate geometry to thirteen O atoms. There are a spread of K–O bond distances ranging from 2.83–3.29 Å. In the fourth K site, K is bonded in a 6-coordinate geometry to six O atoms. There are a spread of K–O bond distances ranging from 2.83–2.92 Å. In the fifth K site, K is bonded to twelve O atoms to form KO12 cuboctahedra that share faces with eight WO6 octahedra. There are a spread of K–O bond distances ranging from 2.77–2.81 Å. There are twelve inequivalent W sites. In the first W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 1–29°. There are a spread of W–O bond distances ranging from 1.88–1.98 Å. In the second W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 1–28°. There are a spread of W–O bond distances ranging from 1.90–1.98 Å. In the third W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.91–2.02 Å. In the fourth W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.93–2.04 Å. In the fifth W site, W is bonded to six O atoms to form WO6 octahedra that share corners with six WO6 octahedra and a faceface with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.89–1.99 Å. In the sixth W site, W is bonded to six O atoms to form WO6 octahedra that share corners with six WO6 octahedra and a faceface with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.91–2.05 Å. In the seventh W site, W is bonded to six O atoms to form WO6 octahedra that share corners with six WO6 octahedra and a faceface with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–32°. There are a spread of W–O bond distances ranging from 1.90–2.06 Å. In the eighth W site, W is bonded to six O atoms to form WO6 octahedra that share corners with six WO6 octahedra and a faceface with one KO12 cuboctahedra. The corner-sharing octahedra tilt angles range from 1–30°. There are a spread of W–O bond distances ranging from 1.89–2.05 Å. In the ninth W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–32°. There are a spread of W–O bond distances ranging from 1.94–2.01 Å. In the tenth W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.91–1.95 Å. In the eleventh W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. There is four shorter (1.95 Å) and two longer (1.96 Å) W–O bond length. In the twelfth W site, W is bonded to six O atoms to form corner-sharing WO6 octahedra. The corner-sharing octahedra tilt angles range from 0–30°. There are a spread of W–O bond distances ranging from 1.94–1.96 Å. There are thirty inequivalent O sites. In the first O site, O is bonded in a linear geometry to one K and two W atoms. In the second O site, O is bonded in a linear geometry to one K and two W atoms. In the third O site, O is bonded in a linear geometry to one K and two W atoms. In the fourth O site, O is bonded in a linear geometry to two W atoms. In the fifth O site, O is bonded in a linear geometry to one K and two W atoms. In the sixth O site, O is bonded in a linear geometry to one K and two W atoms. In the seventh O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the eighth O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the ninth O site, O is bonded to two K and two W atoms to form distorted corner-sharing OK2W2 trigonal pyramids. In the tenth O site, O is bonded to two K and two W atoms to form distorted corner-sharing OK2W2 trigonal pyramids. In the eleventh O site, O is bonded in a linear geometry to two W atoms. In the twelfth O site, O is bonded in a linear geometry to one K and two W atoms. In the thirteenth O site, O is bonded in a linear geometry to two W atoms. In the fourteenth O site, O is bonded in a 2-coordinate geometry to two K and two W atoms. In the fifteenth O site, O is bonded to two K and two W atoms to form distorted corner-sharing OK2W2 trigonal pyramids. In the sixteenth O site, O is bonded to two K and two W atoms to form distorted corner-sharing OK2W2 trigonal pyramids. In the seventeenth O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the eighteenth O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the nineteenth O site, O is bonded in a distorted linear geometry to two K and two W atoms. In the twentieth O site, O is bonded in a 2-coordinate geometry to two K and two W atoms. In the twenty-first O site, O is bonded in a linear geometry to two W atoms. In the twenty-second O site, O is bonded in a 2-coordinate geometry to two K and two W atoms. In the twenty-third O site, O is bonded in a 2-coordinate geometry to two K and two W atoms. In the twenty-fourth O site, O is bonded in a 2-coordinate geometry to two K and two W atoms. In the twenty-fifth O site, O is bonded in a linear geometry to one K and two W atoms. In the twenty-sixth O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the twenty-seventh O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the twenty-eighth O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the twenty-ninth O site, O is bonded in a distorted bent 150 degrees geometry to two K and two W atoms. In the thirtieth O site, O is bonded in a linear geometry to one K and two W atoms.