The crystal structure described by Li15Mn2O12 crystallizes in the triclinic P1 space group. There are fifteen inequivalent Li sites. In the first Li site, Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(6), and one O(8) atom. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(5), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(8)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-55°. In the third Li site, Li(3) is bonded in a 3-coordinate geometry to one O(11), one O(2), one O(4), and one O(6) atom. In the fourth Li site, Li(4) is bonded to one O(12), one O(3), one O(4), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Li(8)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Li(14)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-55°. In the fifth Li site, Li(5) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Li(8)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 16-54°. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(5), and one O(8) atom. In the seventh Li site, Li(7) is bonded to one O(1), one O(2), one O(6), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 21-55°. In the eighth Li site, Li(8) is bonded to one O(12), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(15)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. In the ninth Li site, Li(9) is bonded in a 4-coordinate geometry to one O(11), one O(12), one O(4), and one O(7) atom. In the tenth Li site, Li(10) is bonded to one O(10), one O(12), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(14)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 16-54°. In the eleventh Li site, Li(11) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(6), and one O(9) atom. In the twelfth Li site, Li(12) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(8), and one O(9) atom. In the thirteenth Li site, Li(13) is bonded to one O(11), one O(2), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(8)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Li(14)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra, and  an edgeedge with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-53°. In the fourteenth Li site, Li(14) is bonded to one O(12), one O(3), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Li(8)O6 octahedra,  a cornercorner with one Li(13)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra, and  an edgeedge with one Li(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-61°. In the fifteenth Li site, Li(15) is bonded to one O(10), one O(12), one O(2), one O(3), one O(5), and one O(7) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(14)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,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Li(8)O6 octahedra, edges with two equivalent Li(15)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra, edges with two equivalent Li(8)O6 octahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Li(1), one Li(12), one Li(2), one Li(6), one Li(7), and one Mn(2) atom. In the second O site, O(2) is bonded in a 7-coordinate geometry to one Li(13), one Li(15), one Li(3), one Li(5), one Li(7), one Li(8), and one Mn(2) atom. In the third O site, O(3) is bonded in a 7-coordinate geometry to one Li(1), one Li(14), one Li(15), one Li(4), one Li(5), one Li(6), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Li(3), one Li(4), one Li(5), one Li(8), one Li(9), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 7-coordinate geometry to one Li(10), one Li(15), one Li(2), one Li(4), one Li(6), one Li(8), and one Mn(1) atom. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to one Li(1), one Li(11), one Li(2), one Li(3), one Li(7), and one Mn(1) atom. In the seventh O site, O(7) is bonded in a 7-coordinate geometry to one Li(13), one Li(14), one Li(15), one Li(5), one Li(8), one Li(9), and one Mn(1) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Li(1), one Li(10), one Li(12), one Li(14), one Li(6), and one Mn(1) atom. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Li(11), one Li(12), one Li(13), one Li(7), one Li(8), and one Mn(2) atom. In the tenth O site, O(10) is bonded in a 7-coordinate geometry to one Li(1), one Li(10), one Li(11), one Li(12), one Li(15), one Li(2), and one Mn(1) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Li(1), one Li(11), one Li(13), one Li(3), one Li(9), and one Mn(2) atom. In the twelfth O site, O(12) is bonded in a distorted pentagonal bipyramidal geometry to one Li(10), one Li(14), one Li(15), one Li(4), one Li(8), one Li(9), and one Mn(2) atom. is represented by the CIF file [CIF]
data_Li15Mn2O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.470
_cell_length_b   5.789
_cell_length_c   7.974
_cell_angle_alpha   85.954
_cell_angle_beta   89.721
_cell_angle_gamma   89.979
_symmetry_Int_Tables_number   1
_cell_volume   251.827
_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  0.008  0.323  0.646  1.0
  Li  Li1  1  0.877  0.738  0.629  1.0
  Li  Li2  1  0.790  0.380  0.911  1.0
  Li  Li3  1  0.804  0.055  0.304  1.0
  Li  Li4  1  0.696  0.437  0.204  1.0
  Li  Li5  1  0.660  0.107  0.596  1.0
  Li  Li6  1  0.626  0.805  0.876  1.0
  Li  Li7  1  0.490  0.806  0.161  1.0
  Li  Li8  1  0.371  0.205  0.099  1.0
  Li  Li9  1  0.339  0.931  0.433  1.0
  Li  Li10  1  0.315  0.523  0.793  1.0
  Li  Li11  1  0.222  0.965  0.721  1.0
  Li  Li12  1  0.151  0.566  0.068  1.0
  Li  Li13  1  0.143  0.278  0.362  1.0
  Li  Li14  1  0.008  0.685  0.346  1.0
  Mn  Mn15  1  0.503  0.510  0.496  1.0
  Mn  Mn16  1  0.996  0.992  0.004  1.0
  O  O17  1  0.875  0.000  0.772  1.0
  O  O18  1  0.831  0.696  0.069  1.0
  O  O19  1  0.805  0.343  0.427  1.0
  O  O20  1  0.704  0.145  0.083  1.0
  O  O21  1  0.664  0.805  0.431  1.0
  O  O22  1  0.648  0.517  0.718  1.0
  O  O23  1  0.361  0.503  0.265  1.0
  O  O24  1  0.335  0.212  0.561  1.0
  O  O25  1  0.290  0.825  0.939  1.0
  O  O26  1  0.209  0.669  0.572  1.0
  O  O27  1  0.134  0.297  0.934  1.0
  O  O28  1  0.143  0.999  0.232  1.0
[/CIF]
.
The crystal structure described by Li15Mn2O12 crystallizes in the triclinic P1 space group. There are fifteen inequivalent Li sites. In the first Li site, Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(10), one O(11), one O(3), one O(6), and one O(8) atom. In the second Li site, Li(2) is bonded to one O(1), one O(10), one O(5), and one O(6) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(8)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Li(4)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(7)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 17-55°. In the third Li site, Li(3) is bonded in a 3-coordinate geometry to one O(11), one O(2), one O(4), and one O(6) atom. In the fourth Li site, Li(4) is bonded to one O(12), one O(3), one O(4), and one O(5) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Li(8)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra,  a cornercorner with one Li(2)O4 tetrahedra, corners with two equivalent Li(10)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Li(14)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-55°. In the fifth Li site, Li(5) is bonded to one O(2), one O(3), one O(4), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Li(8)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 16-54°. In the sixth Li site, Li(6) is bonded in a 4-coordinate geometry to one O(1), one O(3), one O(5), and one O(8) atom. In the seventh Li site, Li(7) is bonded to one O(1), one O(2), one O(6), and one O(9) atom to form distorted LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(13)O4 tetrahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra, and  an edgeedge with one Li(2)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 21-55°. In the eighth Li site, Li(8) is bonded to one O(12), one O(2), one O(4), one O(5), one O(7), and one O(9) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(4)O4 tetrahedra,  a cornercorner with one Li(5)O4 tetrahedra, corners with two equivalent Li(14)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(15)O6 octahedra, edges with two equivalent Mn(2)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra,  an edgeedge with one Li(5)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. In the ninth Li site, Li(9) is bonded in a 4-coordinate geometry to one O(11), one O(12), one O(4), and one O(7) atom. In the tenth Li site, Li(10) is bonded to one O(10), one O(12), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Li(2)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, and  an edgeedge with one Li(14)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 16-54°. In the eleventh Li site, Li(11) is bonded in a 4-coordinate geometry to one O(10), one O(11), one O(6), and one O(9) atom. In the twelfth Li site, Li(12) is bonded in a 4-coordinate geometry to one O(1), one O(10), one O(8), and one O(9) atom. In the thirteenth Li site, Li(13) is bonded to one O(11), one O(2), one O(7), and one O(9) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(8)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Li(14)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra, corners with two equivalent Li(7)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Li(8)O6 octahedra, and  an edgeedge with one Mn(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 18-53°. In the fourteenth Li site, Li(14) is bonded to one O(12), one O(3), one O(7), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Li(15)O6 octahedra,  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(2)O6 octahedra, corners with two equivalent Li(8)O6 octahedra,  a cornercorner with one Li(13)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra, and  an edgeedge with one Li(4)O4 tetrahedra. The corner-sharing octahedral tilt angles range from 18-61°. In the fifteenth Li site, Li(15) is bonded to one O(10), one O(12), one O(2), one O(3), one O(5), and one O(7) atom to form distorted LiO6 octahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(14)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,  an edgeedge with one Mn(2)O6 octahedra, edges with two equivalent Li(8)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. There are two inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to one O(10), one O(3), one O(5), one O(6), one O(7), and one O(8) atom to form MnO6 octahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(4)O4 tetrahedra,  an edgeedge with one Li(8)O6 octahedra, edges with two equivalent Li(15)O6 octahedra,  an edgeedge with one Li(10)O4 tetrahedra,  an edgeedge with one Li(14)O4 tetrahedra,  an edgeedge with one Li(2)O4 tetrahedra, and  an edgeedge with one Li(5)O4 tetrahedra. In the second Mn site, Mn(2) is bonded to one O(1), one O(11), one O(12), one O(2), one O(4), and one O(9) atom to form MnO6 octahedra that share  a cornercorner with one Li(10)O4 tetrahedra,  a cornercorner with one Li(13)O4 tetrahedra,  a cornercorner with one Li(14)O4 tetrahedra,  a cornercorner with one Li(2)O4 tetrahedra,  a cornercorner with one Li(7)O4 tetrahedra, corners with two equivalent Li(5)O4 tetrahedra,  an edgeedge with one Li(15)O6 octahedra, edges with two equivalent Li(8)O6 octahedra,  an edgeedge with one Li(13)O4 tetrahedra,  an edgeedge with one Li(4)O4 tetrahedra, and  an edgeedge with one Li(7)O4 tetrahedra. There are twelve inequivalent O sites. In the first O site, O(1) is bonded in a 6-coordinate geometry to one Li(1), one Li(12), one Li(2), one Li(6), one Li(7), and one Mn(2) atom. In the second O site, O(2) is bonded in a 7-coordinate geometry to one Li(13), one Li(15), one Li(3), one Li(5), one Li(7), one Li(8), and one Mn(2) atom. In the third O site, O(3) is bonded in a 7-coordinate geometry to one Li(1), one Li(14), one Li(15), one Li(4), one Li(5), one Li(6), and one Mn(1) atom. In the fourth O site, O(4) is bonded in a 6-coordinate geometry to one Li(3), one Li(4), one Li(5), one Li(8), one Li(9), and one Mn(2) atom. In the fifth O site, O(5) is bonded in a 7-coordinate geometry to one Li(10), one Li(15), one Li(2), one Li(4), one Li(6), one Li(8), and one Mn(1) atom. In the sixth O site, O(6) is bonded in a 6-coordinate geometry to one Li(1), one Li(11), one Li(2), one Li(3), one Li(7), and one Mn(1) atom. In the seventh O site, O(7) is bonded in a 7-coordinate geometry to one Li(13), one Li(14), one Li(15), one Li(5), one Li(8), one Li(9), and one Mn(1) atom. In the eighth O site, O(8) is bonded in a 6-coordinate geometry to one Li(1), one Li(10), one Li(12), one Li(14), one Li(6), and one Mn(1) atom. In the ninth O site, O(9) is bonded in a 6-coordinate geometry to one Li(11), one Li(12), one Li(13), one Li(7), one Li(8), and one Mn(2) atom. In the tenth O site, O(10) is bonded in a 7-coordinate geometry to one Li(1), one Li(10), one Li(11), one Li(12), one Li(15), one Li(2), and one Mn(1) atom. In the eleventh O site, O(11) is bonded in a 5-coordinate geometry to one Li(1), one Li(11), one Li(13), one Li(3), one Li(9), and one Mn(2) atom. In the twelfth O site, O(12) is bonded in a distorted pentagonal bipyramidal geometry to one Li(10), one Li(14), one Li(15), one Li(4), one Li(8), one Li(9), and one Mn(2) atom. is represented by the CIF file [CIF]
data_Li15Mn2O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.470
_cell_length_b   5.789
_cell_length_c   7.974
_cell_angle_alpha   85.954
_cell_angle_beta   89.721
_cell_angle_gamma   89.979
_symmetry_Int_Tables_number   1
_cell_volume   251.827
_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  0.008  0.323  0.646  1.0
  Li  Li1  1  0.877  0.738  0.629  1.0
  Li  Li2  1  0.790  0.380  0.911  1.0
  Li  Li3  1  0.804  0.055  0.304  1.0
  Li  Li4  1  0.696  0.437  0.204  1.0
  Li  Li5  1  0.660  0.107  0.596  1.0
  Li  Li6  1  0.626  0.805  0.876  1.0
  Li  Li7  1  0.490  0.806  0.161  1.0
  Li  Li8  1  0.371  0.205  0.099  1.0
  Li  Li9  1  0.339  0.931  0.433  1.0
  Li  Li10  1  0.315  0.523  0.793  1.0
  Li  Li11  1  0.222  0.965  0.721  1.0
  Li  Li12  1  0.151  0.566  0.068  1.0
  Li  Li13  1  0.143  0.278  0.362  1.0
  Li  Li14  1  0.008  0.685  0.346  1.0
  Mn  Mn15  1  0.503  0.510  0.496  1.0
  Mn  Mn16  1  0.996  0.992  0.004  1.0
  O  O17  1  0.875  0.000  0.772  1.0
  O  O18  1  0.831  0.696  0.069  1.0
  O  O19  1  0.805  0.343  0.427  1.0
  O  O20  1  0.704  0.145  0.083  1.0
  O  O21  1  0.664  0.805  0.431  1.0
  O  O22  1  0.648  0.517  0.718  1.0
  O  O23  1  0.361  0.503  0.265  1.0
  O  O24  1  0.335  0.212  0.561  1.0
  O  O25  1  0.290  0.825  0.939  1.0
  O  O26  1  0.209  0.669  0.572  1.0
  O  O27  1  0.134  0.297  0.934  1.0
  O  O28  1  0.143  0.999  0.232  1.0
[/CIF]
.