Materials Data on KTaTe3 by Materials Project

Abstract

KTaTe3 is Orthorhombic Perovskite-like structured and crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are five inequivalent K1+ sites. In the first K1+ site, K1+ is bonded in a 7-coordinate geometry to seven Te2- atoms. There are a spread of K–Te bond distances ranging from 3.59–3.82 Å. In the second K1+ site, K1+ is bonded in a 10-coordinate geometry to ten Te2- atoms. There are a spread of K–Te bond distances ranging from 3.58–4.17 Å. In the third K1+ site, K1+ is bonded in a 10-coordinate geometry to ten Te2- atoms. There are a spread of K–Te bond distances ranging from 3.58–4.12 Å. In the fourth K1+ site, K1+ is bonded in a 11-coordinate geometry to eleven Te2- atoms. There are a spread of K–Te bond distances ranging from 3.73–4.30 Å. In the fifth K1+ site, K1+ is bonded in a 8-coordinate geometry to eight Te2- atoms. There are a spread of K–Te bond distances ranging from 3.63–4.01 Å. There are five inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six Te2- atoms. There are a spread of Ta–Te bond distances ranging from 2.62–3.00 Å. In the second Ta5+ site, Ta5+ is bonded to six Te2- atoms to form face-sharing TaTe6 octahedra. There are a spread of Ta–Te bond distances ranging from 2.76–2.91 Å. In the third Ta5+ site, Ta5+ is bonded to six Te2- atoms to form distorted face-sharing TaTe6 octahedra. There are a spread of Ta–Te bond distances ranging from 2.71–3.04 Å. In the fourth Ta5+ site, Ta5+ is bonded to six Te2- atoms to form distorted face-sharing TaTe6 octahedra. There are a spread of Ta–Te bond distances ranging from 2.69–3.18 Å. In the fifth Ta5+ site, Ta5+ is bonded to six Te2- atoms to form face-sharing TaTe6 octahedra. There are a spread of Ta–Te bond distances ranging from 2.78–2.89 Å. There are fifteen inequivalent Te2- sites. In the first Te2- site, Te2- is bonded in a 5-coordinate geometry to three K1+ and two Ta5+ atoms. In the second Te2- site, Te2- is bonded in a 3-coordinate geometry to two K1+ and two Ta5+ atoms. In the third Te2- site, Te2- is bonded in a distorted rectangular see-saw-like geometry to two K1+ and two Ta5+ atoms. In the fourth Te2- site, Te2- is bonded in a 6-coordinate geometry to three K1+ and two Ta5+ atoms. In the fifth Te2- site, Te2- is bonded in a 6-coordinate geometry to four K1+ and two Ta5+ atoms. In the sixth Te2- site, Te2- is bonded in a 5-coordinate geometry to three K1+ and two Ta5+ atoms. In the seventh Te2- site, Te2- is bonded in a 4-coordinate geometry to three K1+ and two Ta5+ atoms. In the eighth Te2- site, Te2- is bonded in a 4-coordinate geometry to two K1+ and two Ta5+ atoms. In the ninth Te2- site, Te2- is bonded in a 5-coordinate geometry to three K1+ and two Ta5+ atoms. In the tenth Te2- site, Te2- is bonded in a 1-coordinate geometry to four K1+ and two Ta5+ atoms. In the eleventh Te2- site, Te2- is bonded in a 5-coordinate geometry to three K1+ and two Ta5+ atoms. In the twelfth Te2- site, Te2- is bonded in a 5-coordinate geometry to three K1+ and two Ta5+ atoms. In the thirteenth Te2- site, Te2- is bonded in a 5-coordinate geometry to three K1+ and two Ta5+ atoms. In the fourteenth Te2- site, Te2- is bonded in a 1-coordinate geometry to four K1+ and two Ta5+ atoms. In the fifteenth Te2- site, Te2- is bonded in a 6-coordinate geometry to four K1+ and two Ta5+ atoms.