DOI: 10.17188/1729592
title: Materials Data on Ta2Co4O9 by Materials Project

description: Ta2Co4O9 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are eight inequivalent Ta5+ sites. In the first Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.27 Å. In the second Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.28 Å. In the third Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.28 Å. In the fourth Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.27 Å. In the fifth Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.86–2.28 Å. In the sixth Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.27 Å. In the seventh Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.28 Å. In the eighth Ta5+ site, Ta5+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Ta–O bond distances ranging from 1.87–2.28 Å. There are sixteen inequivalent Co2+ sites. In the first Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of distorted edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 47–67°. There are a spread of Co–O bond distances ranging from 2.03–2.29 Å. In the second Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of distorted edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–67°. There are a spread of Co–O bond distances ranging from 2.03–2.29 Å. In the third Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Co–O bond distances ranging from 2.02–2.32 Å. In the fourth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–48°. There are a spread of Co–O bond distances ranging from 2.01–2.32 Å. In the fifth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Co–O bond distances ranging from 2.02–2.32 Å. In the sixth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–48°. There are a spread of Co–O bond distances ranging from 2.01–2.32 Å. In the seventh Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 47–66°. There are a spread of Co–O bond distances ranging from 2.03–2.27 Å. In the eighth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–66°. There are a spread of Co–O bond distances ranging from 2.03–2.27 Å. In the ninth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of distorted edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–67°. There are a spread of Co–O bond distances ranging from 2.03–2.29 Å. In the tenth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of distorted edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–67°. There are a spread of Co–O bond distances ranging from 2.03–2.30 Å. In the eleventh Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 47–48°. There are a spread of Co–O bond distances ranging from 2.01–2.32 Å. In the twelfth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–48°. There are a spread of Co–O bond distances ranging from 2.01–2.32 Å. In the thirteenth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–48°. There are a spread of Co–O bond distances ranging from 2.02–2.31 Å. In the fourteenth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–48°. There are a spread of Co–O bond distances ranging from 2.01–2.31 Å. In the fifteenth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 46–66°. There are a spread of Co–O bond distances ranging from 2.03–2.27 Å. In the sixteenth Co2+ site, Co2+ is bonded to six O2- atoms to form a mixture of edge, corner, and face-sharing CoO6 octahedra. The corner-sharing octahedra tilt angles range from 47–66°. There are a spread of Co–O bond distances ranging from 2.04–2.27 Å. There are thirty-six inequivalent O2- sites. In the first O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the second O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the seventh O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the eighth O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the ninth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the tenth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the eleventh O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the twelfth O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the thirteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the fourteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the fifteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the sixteenth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the seventeenth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the eighteenth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the nineteenth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the twentieth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the twenty-first O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the twenty-second O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the twenty-third O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the twenty-fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the twenty-fifth O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the twenty-sixth O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the twenty-seventh O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the twenty-eighth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the twenty-ninth O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the thirtieth O2- site, O2- is bonded in a 5-coordinate geometry to one Ta5+ and four Co2+ atoms. In the thirty-first O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the thirty-second O2- site, O2- is bonded in a 4-coordinate geometry to one Ta5+ and three Co2+ atoms. In the thirty-third O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the thirty-fourth O2- site, O2- is bonded in a distorted trigonal planar geometry to one Ta5+ and two Co2+ atoms. In the thirty-fifth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids. In the thirty-sixth O2- site, O2- is bonded to two Ta5+ and two Co2+ atoms to form a mixture of distorted edge and corner-sharing OTa2Co2 trigonal pyramids.