DOE OSTI2020
BaSr7Co5Cu3O20 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Ba2+ sites. In the first Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.67–2.89 Å. In the second Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.65–2.93 Å. In the third Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.64–2.99 Å. In the fourth Ba2+ site, Ba2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Ba–O bond distances ranging from 2.63–3.19 Å. There are twenty-eight inequivalent Sr2+ sites. In the first Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–3.03 Å. In the second Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–3.00 Å. In the third Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.07 Å. In the fourth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.95 Å. In the fifth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.97 Å. In the sixth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.43–3.12 Å. In the seventh Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.02 Å. In the eighth Sr2+ site, Sr2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.84 Å. In the ninth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.44–2.99 Å. In the tenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.44–3.15 Å. In the eleventh Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–3.01 Å. In the twelfth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–2.97 Å. In the thirteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.01 Å. In the fourteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–2.97 Å. In the fifteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.03 Å. In the sixteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.43–3.00 Å. In the seventeenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–3.12 Å. In the eighteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.45–3.01 Å. In the nineteenth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.50–3.02 Å. In the twentieth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–3.01 Å. In the twenty-first Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.46–3.08 Å. In the twenty-second Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.96 Å. In the twenty-third Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–3.00 Å. In the twenty-fourth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.06 Å. In the twenty-fifth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–3.02 Å. In the twenty-sixth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.48–2.99 Å. In the twenty-seventh Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.43–3.17 Å. In the twenty-eighth Sr2+ site, Sr2+ is bonded in a 9-coordinate geometry to nine O2- atoms. There are a spread of Sr–O bond distances ranging from 2.47–3.02 Å. There are twenty inequivalent Co+3.60+ sites. In the first Co+3.60+ site, Co+3.60+ is bonded to five O2- atoms to form CoO5 square pyramids that share corners with four CoO6 octahedra and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 4–10°. There are a spread of Co–O bond distances ranging from 1.92–2.05 Å. In the second Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra and corners with two CuO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Co–O bond distances ranging from 1.82–2.23 Å. In the third Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–12°. There are a spread of Co–O bond distances ranging from 1.84–2.57 Å. In the fourth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–13°. There are a spread of Co–O bond distances ranging from 1.83–2.51 Å. In the fifth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–8°. There are a spread of Co–O bond distances ranging from 1.83–2.39 Å. In the sixth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–9°. There are a spread of Co–O bond distances ranging from 1.83–2.19 Å. In the seventh Co+3.60+ site, Co+3.60+ is bonded to five O2- atoms to form distorted CoO5 square pyramids that share corners with four CoO6 octahedra and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 3–14°. There are a spread of Co–O bond distances ranging from 1.82–2.08 Å. In the eighth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 2–9°. There are a spread of Co–O bond distances ranging from 1.83–2.24 Å. In the ninth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 3–8°. There are a spread of Co–O bond distances ranging from 1.82–2.42 Å. In the tenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–11°. There are a spread of Co–O bond distances ranging from 1.91–2.52 Å. In the eleventh Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–7°. There are a spread of Co–O bond distances ranging from 1.83–2.47 Å. In the twelfth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 1–13°. There are a spread of Co–O bond distances ranging from 1.84–2.57 Å. In the thirteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–12°. There are a spread of Co–O bond distances ranging from 1.83–2.47 Å. In the fourteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CuO4 tetrahedra, and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedra tilt angles range from 1–5°. There are a spread of Co–O bond distances ranging from 1.84–2.21 Å. In the fifteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with two CoO6 octahedra, corners with two CoO5 square pyramids, and corners with two CuO4 trigonal pyramids. The corner-sharing octahedra tilt angles range from 4–8°. There are a spread of Co–O bond distances ranging from 1.82–2.45 Å. In the sixteenth Co+3.60+ site, Co+3.60+ is bonded to six O2- atoms to form distorted CoO6 octahedra that share corners with four CoO6 octahedra, a cornercorner with one CoO4 tetrahedra, and a cornercorner with one CuO4 tetrahedra. The corner-sharing octahedra tilt angles range from 2–13°. There are a spread of Co–O bond distances ranging from 1.83–2.46 Å. In the seventeenth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share a cornercorner with one CoO6 octahedra and a cornercorner with one CuO4 trigonal pyramid. The corner-sharing octahedral tilt angles are 34°. There are a spread of Co–O bond distances ranging from 1.78–1.82 Å. In the eighteenth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 22–31°. There are a spread of Co–O bond distances ranging from 1.81–1.93 Å. In the nineteenth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share a cornercorner with one CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedral tilt angles are 29°. There are a spread of Co–O bond distances ranging from 1.80–1.93 Å. In the twentieth Co+3.60+ site, Co+3.60+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with two CoO6 octahedra and corners with two CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 20–29°. There are a spread of Co–O bond distances ran