DOE OSTI2020
Li11Co12(PO4)12 is beta indium sulfide-derived structured and crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are seven inequivalent Li sites. In the first Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two equivalent PO4 tetrahedra, edges with two equivalent LiO6 octahedra, edges with two equivalent CoO6 octahedra, and edges with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–67°. There are a spread of Li–O bond distances ranging from 2.11–2.19 Å. In the second Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two equivalent PO4 tetrahedra, edges with two equivalent LiO6 octahedra, edges with two equivalent CoO6 octahedra, and edges with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 59–66°. There are a spread of Li–O bond distances ranging from 2.10–2.19 Å. In the third Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two PO4 tetrahedra, edges with two LiO6 octahedra, edges with two CoO6 octahedra, and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–67°. There are a spread of Li–O bond distances ranging from 2.10–2.20 Å. In the fourth Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two PO4 tetrahedra, edges with two LiO6 octahedra, edges with two CoO6 octahedra, and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 58–67°. There are a spread of Li–O bond distances ranging from 2.09–2.20 Å. In the fifth Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two PO4 tetrahedra, edges with two LiO6 octahedra, edges with two CoO6 octahedra, and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–68°. There are a spread of Li–O bond distances ranging from 2.10–2.19 Å. In the sixth Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two equivalent PO4 tetrahedra, edges with two equivalent LiO6 octahedra, edges with two equivalent CoO6 octahedra, and edges with two equivalent PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 57–67°. There are a spread of Li–O bond distances ranging from 2.11–2.18 Å. In the seventh Li site, Li is bonded to six O atoms to form LiO6 octahedra that share corners with four CoO6 octahedra, corners with two PO4 tetrahedra, an edgeedge with one LiO6 octahedra, edges with two CoO6 octahedra, and edges with two PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 56–70°. There are a spread of Li–O bond distances ranging from 2.08–2.21 Å. There are six inequivalent Co sites. In the first Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with three LiO6 octahedra, corners with four CoO6 octahedra, corners with four PO4 tetrahedra, edges with two LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–70°. There are a spread of Co–O bond distances ranging from 2.00–2.25 Å. In the second Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with four LiO6 octahedra, corners with four CoO6 octahedra, corners with four PO4 tetrahedra, edges with two LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 51–67°. There are a spread of Co–O bond distances ranging from 2.06–2.22 Å. In the third Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with three LiO6 octahedra, corners with four CoO6 octahedra, corners with four PO4 tetrahedra, edges with two LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 49–68°. There are a spread of Co–O bond distances ranging from 2.02–2.22 Å. In the fourth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with four LiO6 octahedra, corners with four CoO6 octahedra, corners with four PO4 tetrahedra, edges with two LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–67°. There are a spread of Co–O bond distances ranging from 2.07–2.22 Å. In the fifth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with four LiO6 octahedra, corners with four CoO6 octahedra, corners with four PO4 tetrahedra, edges with two LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 50–67°. There are a spread of Co–O bond distances ranging from 2.06–2.22 Å. In the sixth Co site, Co is bonded to six O atoms to form CoO6 octahedra that share corners with four LiO6 octahedra, corners with four CoO6 octahedra, corners with four PO4 tetrahedra, an edgeedge with one LiO6 octahedra, and an edgeedge with one PO4 tetrahedra. The corner-sharing octahedra tilt angles range from 48–66°. There are a spread of Co–O bond distances ranging from 2.08–2.19 Å. There are six inequivalent P sites. In the first P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two LiO6 octahedra, corners with four CoO6 octahedra, an edgeedge with one LiO6 octahedra, and an edgeedge with one CoO6 octahedra. The corner-sharing octahedra tilt angles range from 50–57°. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the second P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two LiO6 octahedra, corners with four CoO6 octahedra, an edgeedge with one CoO6 octahedra, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 53–58°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the third P site, P is bonded to four O atoms to form PO4 tetrahedra that share a cornercorner with one LiO6 octahedra, corners with four CoO6 octahedra, an edgeedge with one CoO6 octahedra, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 53–56°. There are a spread of P–O bond distances ranging from 1.52–1.59 Å. In the fourth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two LiO6 octahedra, corners with four CoO6 octahedra, an edgeedge with one CoO6 octahedra, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 51–58°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the fifth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two LiO6 octahedra, corners with four CoO6 octahedra, an edgeedge with one CoO6 octahedra, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 52–58°. There are a spread of P–O bond distances ranging from 1.54–1.58 Å. In the sixth P site, P is bonded to four O atoms to form PO4 tetrahedra that share corners with two LiO6 octahedra, corners with four CoO6 octahedra, an edgeedge with one CoO6 octahedra, and edges with two LiO6 octahedra. The corner-sharing octahedra tilt angles range from 53–58°. There are a spread of P–O bond distances ranging from 1.53–1.58 Å. There are twenty-four inequivalent O sites. In the first O site, O is bonded in a distorted trigonal planar geometry to one Li, one Co, and one P atom. In the second O site, O is bonded in a rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the third O site, O is bonded in a rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the fourth O site, O is bonded in a distorted trigonal planar geometry to one Li, one Co, and one P atom. In the fifth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the sixth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the seventh O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the eighth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the ninth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the tenth O site, O is bonded in a rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the eleventh O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the twelfth O site, O is bonded in a 3-coordinate geometry to two Co and one P atom. In the thirteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the fourteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the fifteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the sixteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the seventeenth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the eighteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to one Li, two Co, and one P atom. In the nineteenth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the twentieth O site, O is bonded in a distorted rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the twenty-first O site, O is bonded in a distorted rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the twenty-second O site, O is bonded in a rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the twenty-third O site, O is bonded in a rectangular see-saw-like geometry to two Li, one Co, and one P atom. In the twenty-fourth O site, O is bonded in a rectangular see-saw-like geometry to two Li, one Co, and one P atom.