The material described by Li8Mn5O10 crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(10), one O(2), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 9-70°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-73°. In the third Li site, Li(3) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 8-60°. In the fourth Li site, Li(4) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 12-69°. In the fifth Li site, Li(5) is bonded to one O(6), one O(7), one O(8), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(8)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 9-54°. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(10), one O(5), one O(7), and one O(8) atom. In the seventh Li site, Li(7) is bonded to one O(1), one O(10), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 7-62°. In the eighth Li site, Li(8) is bonded to one O(10), one O(2), one O(8), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 11-62°. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted MnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the third Mn site, Mn(3) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(2), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Li(8)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fifth Mn site, Mn(5) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(7), one Mn(1), one Mn(2), and one Mn(4) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(8)Li3Mn3 octahedra,  a cornercorner with one O(9)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(5)Li3Mn3 octahedra,  an edgeedge with one O(9)Li3Mn3 octahedra, and  an edgeedge with one O(3)Li2Mn3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 3-51°. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Li(1), one Li(3), one Li(8), one Mn(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Mn(1), one Mn(2), and one Mn(5) atom to form a mixture of distorted corner and edge-sharing OLi2Mn3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-82°. In the fourth O site, O(4) is bonded in a 7-coordinate geometry to one Li(1), one Li(2), one Li(3), one Li(4), one Mn(1), one Mn(2), and one Mn(5) atom. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), one Li(6), one Mn(2), one Mn(3), and one Mn(5) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(8)Li3Mn3 octahedra,  a cornercorner with one O(9)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(1)Li3Mn3 octahedra,  an edgeedge with one O(8)Li3Mn3 octahedra, and  an edgeedge with one O(3)Li2Mn3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 8-47°. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to one Li(3), one Li(4), one Li(5), one Mn(2), one Mn(3), and one Mn(5) atom. In the seventh O site, O(7) is bonded in a 7-coordinate geometry to one Li(4), one Li(5), one Li(6), one Li(7), one Mn(3), one Mn(4), and one Mn(5) atom. In the eighth O site, O(8) is bonded to one Li(5), one Li(6), one Li(8), one Mn(3), one Mn(4), and one Mn(5) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(1)Li3Mn3 octahedra,  a cornercorner with one O(5)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(5)Li3Mn3 octahedra, and edges with two equivalent O(9)Li3Mn3 octahedra. The corner-sharing octahedral tilt angles range from 3-47°. In the ninth O site, O(9) is bonded to one Li(5), one Li(7), one Li(8), one Mn(1), one Mn(3), and one Mn(4) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(1)Li3Mn3 octahedra,  a cornercorner with one O(5)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(1)Li3Mn3 octahedra, and edges with two equivalent O(8)Li3Mn3 octahedra. The corner-sharing octahedral tilt angles range from 8-51°. In the tenth O site, O(10) is bonded in a 7-coordinate geometry to one Li(1), one Li(6), one Li(7), one Li(8), one Mn(1), one Mn(3), and one Mn(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li8Mn5O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.227
_cell_length_b   5.492
_cell_length_c   8.416
_cell_angle_alpha   105.576
_cell_angle_beta   92.737
_cell_angle_gamma   91.721
_symmetry_Int_Tables_number   1
_cell_volume   232.231
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  0.621  0.358  0.009  1.0
  Li  Li1  1  0.594  0.897  0.191  1.0
  Li  Li2  1  0.377  0.254  0.203  1.0
  Li  Li3  1  0.613  0.557  0.400  1.0
  Li  Li4  1  0.362  0.479  0.603  1.0
  Li  Li5  1  0.585  0.117  0.563  1.0
  Li  Li6  1  0.598  0.727  0.821  1.0
  Li  Li7  1  0.371  0.068  0.800  1.0
  Mn  Mn8  1  0.006  0.987  0.996  1.0
  Mn  Mn9  1  0.039  0.605  0.200  1.0
  Mn  Mn10  1  0.988  0.801  0.601  1.0
  Mn  Mn11  1  0.998  0.407  0.801  1.0
  Mn  Mn12  1  0.999  0.190  0.394  1.0
  O  O13  1  0.789  0.685  0.008  1.0
  O  O14  1  0.227  0.289  0.996  1.0
  O  O15  1  0.218  0.943  0.185  1.0
  O  O16  1  0.752  0.275  0.222  1.0
  O  O17  1  0.781  0.889  0.400  1.0
  O  O18  1  0.227  0.483  0.390  1.0
  O  O19  1  0.730  0.481  0.609  1.0
  O  O20  1  0.211  0.149  0.595  1.0
  O  O21  1  0.233  0.733  0.785  1.0
  O  O22  1  0.754  0.072  0.827  1.0
[/CIF]
.
The material described by Li8Mn5O10 crystallizes in the triclinic P1 space group. There are eight inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(10), one O(2), and one O(4) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 9-70°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(4), and one O(5) atom to form distorted LiO4 trigonal pyramids that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Li(3)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 5-73°. In the third Li site, Li(3) is bonded to one O(2), one O(3), one O(4), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. The corner-sharing octahedral tilt angles range from 8-60°. In the fourth Li site, Li(4) is bonded to one O(4), one O(5), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra,  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Li(3)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 12-69°. In the fifth Li site, Li(5) is bonded to one O(6), one O(7), one O(8), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(4)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(8)O4 tetrahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 9-54°. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(10), one O(5), one O(7), and one O(8) atom. In the seventh Li site, Li(7) is bonded to one O(1), one O(10), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 7-62°. In the eighth Li site, Li(8) is bonded to one O(10), one O(2), one O(8), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(4)O6 octahedra,  a cornercorner with one Li(3)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 11-62°. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(1), one O(10), one O(2), one O(3), one O(4), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(1)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(3)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra,  an edgeedge with one Li(8)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the second Mn site, Mn(2) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form distorted MnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(3)O4 tetrahedra, corners with two equivalent Li(2)O4 trigonal pyramids,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(4)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(3)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(2)O4 trigonal pyramid. In the third Mn site, Mn(3) is bonded to one O(10), one O(5), one O(6), one O(7), one O(8), and one O(9) atom to form distorted MnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra,  a cornercorner with one Li(8)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(10), one O(2), one O(7), one O(8), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Li(1)O4 tetrahedra,  a cornercorner with one Li(3)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra, corners with two equivalent Li(8)O4 tetrahedra,  a cornercorner with one Li(2)O4 trigonal pyramid,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(3)O6 octahedra,  an edgeedge with one Li(1)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra,  an edgeedge with one Li(7)O4 tetrahedra, and  an edgeedge with one Li(8)O4 tetrahedra. In the fifth Mn site, Mn(5) is bonded in a 6-coordinate geometry to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom. There are ten inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Li(7), one Mn(1), one Mn(2), and one Mn(4) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(8)Li3Mn3 octahedra,  a cornercorner with one O(9)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(5)Li3Mn3 octahedra,  an edgeedge with one O(9)Li3Mn3 octahedra, and  an edgeedge with one O(3)Li2Mn3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 3-51°. In the second O site, O(2) is bonded in a 6-coordinate geometry to one Li(1), one Li(3), one Li(8), one Mn(1), one Mn(2), and one Mn(4) atom. In the third O site, O(3) is bonded to one Li(2), one Li(3), one Mn(1), one Mn(2), and one Mn(5) atom to form a mixture of distorted corner and edge-sharing OLi2Mn3 trigonal bipyramids. The corner-sharing octahedral tilt angles range from 54-82°. In the fourth O site, O(4) is bonded in a 7-coordinate geometry to one Li(1), one Li(2), one Li(3), one Li(4), one Mn(1), one Mn(2), and one Mn(5) atom. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), one Li(6), one Mn(2), one Mn(3), and one Mn(5) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(8)Li3Mn3 octahedra,  a cornercorner with one O(9)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(1)Li3Mn3 octahedra,  an edgeedge with one O(8)Li3Mn3 octahedra, and  an edgeedge with one O(3)Li2Mn3 trigonal bipyramid. The corner-sharing octahedral tilt angles range from 8-47°. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to one Li(3), one Li(4), one Li(5), one Mn(2), one Mn(3), and one Mn(5) atom. In the seventh O site, O(7) is bonded in a 7-coordinate geometry to one Li(4), one Li(5), one Li(6), one Li(7), one Mn(3), one Mn(4), and one Mn(5) atom. In the eighth O site, O(8) is bonded to one Li(5), one Li(6), one Li(8), one Mn(3), one Mn(4), and one Mn(5) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(1)Li3Mn3 octahedra,  a cornercorner with one O(5)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(5)Li3Mn3 octahedra, and edges with two equivalent O(9)Li3Mn3 octahedra. The corner-sharing octahedral tilt angles range from 3-47°. In the ninth O site, O(9) is bonded to one Li(5), one Li(7), one Li(8), one Mn(1), one Mn(3), and one Mn(4) atom to form distorted OLi3Mn3 octahedra that share  a cornercorner with one O(1)Li3Mn3 octahedra,  a cornercorner with one O(5)Li3Mn3 octahedra,  a cornercorner with one O(3)Li2Mn3 trigonal bipyramid,  an edgeedge with one O(1)Li3Mn3 octahedra, and edges with two equivalent O(8)Li3Mn3 octahedra. The corner-sharing octahedral tilt angles range from 8-51°. In the tenth O site, O(10) is bonded in a 7-coordinate geometry to one Li(1), one Li(6), one Li(7), one Li(8), one Mn(1), one Mn(3), and one Mn(4) atom. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li8Mn5O10
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.227
_cell_length_b   5.492
_cell_length_c   8.416
_cell_angle_alpha   105.576
_cell_angle_beta   92.737
_cell_angle_gamma   91.721
_symmetry_Int_Tables_number   1
_cell_volume   232.231
_cell_formula_units_Z   1
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Li  Li0  1  0.621  0.358  0.009  1.0
  Li  Li1  1  0.594  0.897  0.191  1.0
  Li  Li2  1  0.377  0.254  0.203  1.0
  Li  Li3  1  0.613  0.557  0.400  1.0
  Li  Li4  1  0.362  0.479  0.603  1.0
  Li  Li5  1  0.585  0.117  0.563  1.0
  Li  Li6  1  0.598  0.727  0.821  1.0
  Li  Li7  1  0.371  0.068  0.800  1.0
  Mn  Mn8  1  0.006  0.987  0.996  1.0
  Mn  Mn9  1  0.039  0.605  0.200  1.0
  Mn  Mn10  1  0.988  0.801  0.601  1.0
  Mn  Mn11  1  0.998  0.407  0.801  1.0
  Mn  Mn12  1  0.999  0.190  0.394  1.0
  O  O13  1  0.789  0.685  0.008  1.0
  O  O14  1  0.227  0.289  0.996  1.0
  O  O15  1  0.218  0.943  0.185  1.0
  O  O16  1  0.752  0.275  0.222  1.0
  O  O17  1  0.781  0.889  0.400  1.0
  O  O18  1  0.227  0.483  0.390  1.0
  O  O19  1  0.730  0.481  0.609  1.0
  O  O20  1  0.211  0.149  0.595  1.0
  O  O21  1  0.233  0.733  0.785  1.0
  O  O22  1  0.754  0.072  0.827  1.0
[/CIF]
.