Materials Data on NaCo11O17 by Materials Project
NaCo11O17 is beta indium sulfide-derived structured and crystallizes in the monoclinic Cm space group. The structure is three-dimensional. there are two inequivalent Na1+ sites. In the first Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. All Na–O bond lengths are 2.85 Å. In the second Na1+ site, Na1+ is bonded in a 6-coordinate geometry to six O2- atoms. All Na–O bond lengths are 2.85 Å. There are sixteen inequivalent Co3+ sites. In the first Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. In the second Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. In the third Co3+ site, Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with six equivalent CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedral tilt angles are 58°. There is one shorter (1.79 Å) and three longer (1.82 Å) Co–O bond length. In the fourth Co3+ site, Co3+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–60°. There is one shorter (1.93 Å) and three longer (1.95 Å) Co–O bond length. In the fifth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six CoO4 tetrahedra and edges with six CoO6 octahedra. All Co–O bond lengths are 1.92 Å. In the sixth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with six CoO4 tetrahedra and edges with six CoO6 octahedra. All Co–O bond lengths are 1.92 Å. In the seventh Co3+ site, Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with six CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedral tilt angles are 58°. There is one shorter (1.79 Å) and three longer (1.82 Å) Co–O bond length. In the eighth Co3+ site, Co3+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–60°. There is one shorter (1.93 Å) and three longer (1.95 Å) Co–O bond length. In the ninth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. In the tenth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. In the eleventh Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. In the twelfth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. In the thirteenth Co3+ site, Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with six CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–58°. There is one shorter (1.79 Å) and three longer (1.82 Å) Co–O bond length. In the fourteenth Co3+ site, Co3+ is bonded to four O2- atoms to form CoO4 tetrahedra that share corners with six CoO6 octahedra and a cornercorner with one CoO4 tetrahedra. The corner-sharing octahedral tilt angles are 58°. There is one shorter (1.80 Å) and three longer (1.82 Å) Co–O bond length. In the fifteenth Co3+ site, Co3+ is bonded to four O2- atoms to form corner-sharing CoO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–60°. There is one shorter (1.93 Å) and three longer (1.95 Å) Co–O bond length. In the sixteenth Co3+ site, Co3+ is bonded to six O2- atoms to form CoO6 octahedra that share corners with five CoO4 tetrahedra and edges with five CoO6 octahedra. There are a spread of Co–O bond distances ranging from 1.89–1.95 Å. There are twenty-five inequivalent O2- sites. In the first O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. In the second O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Co3+ atoms. In the third O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Co3+ atoms. In the fourth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Co3+ atoms. In the fifth O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. In the sixth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Co3+ atoms. In the seventh O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. In the eighth O2- site, O2- is bonded in a linear geometry to two Co3+ atoms. In the ninth O2- site, O2- is bonded in a distorted T-shaped geometry to three equivalent Co3+ atoms. In the tenth O2- site, O2- is bonded in a distorted T-shaped geometry to three Co3+ atoms. In the eleventh O2- site, O2- is bonded in a distorted T-shaped geometry to three Co3+ atoms. In the twelfth O2- site, O2- is bonded in a distorted T-shaped geometry to three Co3+ atoms. In the thirteenth O2- site, O2- is bonded to four Co3+ atoms to form distorted corner-sharing OCo4 trigonal pyramids. In the fourteenth O2- site, O2- is bonded to four Co3+ atoms to form distorted corner-sharing OCo4 trigonal pyramids. In the fifteenth O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. The O–Co bond length is 1.95 Å. In the sixteenth O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. In the seventeenth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Co3+ atoms. In the eighteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Co3+ atoms. In the nineteenth O2- site, O2- is bonded in a 4-coordinate geometry to one Na1+ and three Co3+ atoms. In the twentieth O2- site, O2- is bonded in a 3-coordinate geometry to one Na1+ and three Co3+ atoms. In the twenty-first O2- site, O2- is bonded to four Co3+ atoms to form distorted corner-sharing OCo4 trigonal pyramids. The O–Co bond length is 1.93 Å. In the twenty-second O2- site, O2- is bonded in a linear geometry to two Co3+ atoms. In the twenty-third O2- site, O2- is bonded to four Co3+ atoms to form distorted corner-sharing OCo4 trigonal pyramids. In the twenty-fourth O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. In the twenty-fifth O2- site, O2- is bonded to four Co3+ atoms to form a mixture of distorted corner and edge-sharing OCo4 trigonal pyramids. The O–Co bond length is 1.95 Å.