Materials Data on Li5CuP3O11 by Materials Project
Li5CuP3O11 crystallizes in the triclinic P-1 space group. The structure is three-dimensional. there are five inequivalent Li1+ sites. In the first Li1+ site, Li1+ is bonded to five O2- atoms to form LiO5 trigonal bipyramids that share corners with five PO4 tetrahedra and an edgeedge with one CuO6 octahedra. There are a spread of Li–O bond distances ranging from 2.04–2.33 Å. In the second Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.01–2.66 Å. In the third Li1+ site, Li1+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Li–O bond distances ranging from 1.93–2.32 Å. In the fourth Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 2.06–2.45 Å. In the fifth Li1+ site, Li1+ is bonded in a 5-coordinate geometry to five O2- atoms. There are a spread of Li–O bond distances ranging from 1.98–2.39 Å. There are two inequivalent Cu2+ sites. In the first Cu2+ site, Cu2+ is bonded in a square co-planar geometry to four O2- atoms. There is two shorter (1.92 Å) and two longer (2.05 Å) Cu–O bond length. In the second Cu2+ site, Cu2+ is bonded to six O2- atoms to form distorted CuO6 octahedra that share corners with six PO4 tetrahedra and edges with two equivalent LiO5 trigonal bipyramids. There are a spread of Cu–O bond distances ranging from 1.97–2.47 Å. There are three inequivalent P5+ sites. In the first P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share corners with two equivalent CuO6 octahedra, a cornercorner with one PO4 tetrahedra, and a cornercorner with one LiO5 trigonal bipyramid. The corner-sharing octahedra tilt angles range from 57–61°. There are a spread of P–O bond distances ranging from 1.51–1.63 Å. In the second P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one LiO5 trigonal bipyramid. There are a spread of P–O bond distances ranging from 1.54–1.59 Å. In the third P5+ site, P5+ is bonded to four O2- atoms to form PO4 tetrahedra that share a cornercorner with one CuO6 octahedra, a cornercorner with one PO4 tetrahedra, and corners with three equivalent LiO5 trigonal bipyramids. The corner-sharing octahedral tilt angles are 59°. There are a spread of P–O bond distances ranging from 1.52–1.63 Å. There are eleven inequivalent O2- sites. In the first O2- site, O2- is bonded to two Li1+, one Cu2+, and one P5+ atom to form distorted OLi2CuP trigonal pyramids that share corners with four OLi3P tetrahedra, a cornercorner with one OLi2CuP trigonal pyramid, and an edgeedge with one OLi3P tetrahedra. In the second O2- site, O2- is bonded in a bent 120 degrees geometry to two P5+ atoms. In the third O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Cu2+, and one P5+ atom. In the fourth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form distorted OLi3P tetrahedra that share corners with three equivalent OLi3P tetrahedra, a cornercorner with one OLi2CuP trigonal pyramid, and an edgeedge with one OLi2CuP trigonal pyramid. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to three Li1+ and one P5+ atom. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Li1+, one Cu2+, and one P5+ atom. In the seventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Cu2+, and one P5+ atom. In the eighth O2- site, O2- is bonded in a distorted rectangular see-saw-like geometry to three Li1+ and one P5+ atom. In the ninth O2- site, O2- is bonded to three Li1+ and one P5+ atom to form distorted OLi3P tetrahedra that share corners with three equivalent OLi3P tetrahedra and corners with three equivalent OLi2CuP trigonal pyramids. In the tenth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two equivalent Li1+ and one P5+ atom. In the eleventh O2- site, O2- is bonded in a 4-coordinate geometry to two Li1+, one Cu2+, and one P5+ atom.