The material described by Li7Mn2(CoO4)3 is beta Polonium-derived structured and crystallizes in the monoclinic C2/m space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the second Li site, Li(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with six equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the third Li site, Li(3) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with six equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 9°. Mn(1) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles are 8°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(4) and four equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with six equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-5°. In the second Co site, Co(2) is bonded to two equivalent O(4) and four equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, edges with three equivalent Co(2)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Mn(1) atoms to form OLi4Mn2 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra, edges with two equivalent O(2)Li3Co3 octahedra, edges with four equivalent O(3)Li4Mn2 octahedra, and edges with five equivalent O(1)Li4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(1), one Co(1), and two equivalent Co(2) atoms to form OLi3Co3 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(3)Li4Mn2 octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, edges with four equivalent O(4)Li3Co3 octahedra, and edges with five equivalent O(2)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Mn(1) atoms to form OLi4Mn2 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra,  an edgeedge with one O(3)Li4Mn2 octahedra, edges with two equivalent O(2)Li3Co3 octahedra, and edges with eight equivalent O(1)Li4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the fourth O site, O(4) is bonded to one Li(2), two equivalent Li(1), one Co(1), and two equivalent Co(2) atoms to form OLi3Co3 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra,  an edgeedge with one O(3)Li4Mn2 octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, and edges with eight equivalent O(2)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the CIF card [CIF]
data_Li7Mn2(CoO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.071
_cell_length_b   5.071
_cell_length_c   9.852
_cell_angle_alpha   84.899
_cell_angle_beta   84.899
_cell_angle_gamma   120.141
_symmetry_Int_Tables_number   1
_cell_volume   215.603
_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  0.089  0.418  0.746  1.0
  Li  Li1  1  0.256  0.256  0.251  1.0
  Li  Li2  1  0.418  0.089  0.746  1.0
  Li  Li3  1  0.744  0.744  0.749  1.0
  Li  Li4  1  0.911  0.582  0.254  1.0
  Li  Li5  1  0.582  0.911  0.254  1.0
  Li  Li6  1  0.500  0.500  0.500  1.0
  Mn  Mn7  1  0.834  0.166  0.500  1.0
  Mn  Mn8  1  0.166  0.834  0.500  1.0
  Co  Co9  1  0.000  0.000  0.000  1.0
  Co  Co10  1  0.335  0.665  0.000  1.0
  Co  Co11  1  0.665  0.335  0.000  1.0
  O  O12  1  0.821  0.462  0.612  1.0
  O  O13  1  0.972  0.295  0.114  1.0
  O  O14  1  0.102  0.102  0.611  1.0
  O  O15  1  0.462  0.821  0.612  1.0
  O  O16  1  0.629  0.629  0.118  1.0
  O  O17  1  0.295  0.972  0.114  1.0
  O  O18  1  0.371  0.371  0.882  1.0
  O  O19  1  0.538  0.179  0.388  1.0
  O  O20  1  0.705  0.028  0.886  1.0
  O  O21  1  0.028  0.705  0.886  1.0
  O  O22  1  0.179  0.538  0.388  1.0
  O  O23  1  0.898  0.898  0.389  1.0
[/CIF]
.
The material described by Li7Mn2(CoO4)3 is beta Polonium-derived structured and crystallizes in the monoclinic C2/m space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the second Li site, Li(2) is bonded to one O(3), one O(4), two equivalent O(1), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(1)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with six equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-9°. In the third Li site, Li(3) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form LiO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with six equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles are 9°. Mn(1) is bonded to two equivalent O(3) and four equivalent O(1) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles are 8°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(4) and four equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with six equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-5°. In the second Co site, Co(2) is bonded to two equivalent O(4) and four equivalent O(2) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, edges with three equivalent Co(2)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Mn(1) atoms to form OLi4Mn2 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra, edges with two equivalent O(2)Li3Co3 octahedra, edges with four equivalent O(3)Li4Mn2 octahedra, and edges with five equivalent O(1)Li4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the second O site, O(2) is bonded to one Li(2), two equivalent Li(1), one Co(1), and two equivalent Co(2) atoms to form OLi3Co3 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(3)Li4Mn2 octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, edges with four equivalent O(4)Li3Co3 octahedra, and edges with five equivalent O(2)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 0-5°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Mn(1) atoms to form OLi4Mn2 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra,  an edgeedge with one O(3)Li4Mn2 octahedra, edges with two equivalent O(2)Li3Co3 octahedra, and edges with eight equivalent O(1)Li4Mn2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. In the fourth O site, O(4) is bonded to one Li(2), two equivalent Li(1), one Co(1), and two equivalent Co(2) atoms to form OLi3Co3 octahedra that share  a cornercorner with one O(4)Li3Co3 octahedra,  a cornercorner with one O(3)Li4Mn2 octahedra, corners with two equivalent O(2)Li3Co3 octahedra, corners with two equivalent O(1)Li4Mn2 octahedra,  an edgeedge with one O(4)Li3Co3 octahedra,  an edgeedge with one O(3)Li4Mn2 octahedra, edges with two equivalent O(1)Li4Mn2 octahedra, and edges with eight equivalent O(2)Li3Co3 octahedra. The corner-sharing octahedral tilt angles range from 0-2°. is represented by the CIF card [CIF]
data_Li7Mn2(CoO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.071
_cell_length_b   5.071
_cell_length_c   9.852
_cell_angle_alpha   84.899
_cell_angle_beta   84.899
_cell_angle_gamma   120.141
_symmetry_Int_Tables_number   1
_cell_volume   215.603
_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  0.089  0.418  0.746  1.0
  Li  Li1  1  0.256  0.256  0.251  1.0
  Li  Li2  1  0.418  0.089  0.746  1.0
  Li  Li3  1  0.744  0.744  0.749  1.0
  Li  Li4  1  0.911  0.582  0.254  1.0
  Li  Li5  1  0.582  0.911  0.254  1.0
  Li  Li6  1  0.500  0.500  0.500  1.0
  Mn  Mn7  1  0.834  0.166  0.500  1.0
  Mn  Mn8  1  0.166  0.834  0.500  1.0
  Co  Co9  1  0.000  0.000  0.000  1.0
  Co  Co10  1  0.335  0.665  0.000  1.0
  Co  Co11  1  0.665  0.335  0.000  1.0
  O  O12  1  0.821  0.462  0.612  1.0
  O  O13  1  0.972  0.295  0.114  1.0
  O  O14  1  0.102  0.102  0.611  1.0
  O  O15  1  0.462  0.821  0.612  1.0
  O  O16  1  0.629  0.629  0.118  1.0
  O  O17  1  0.295  0.972  0.114  1.0
  O  O18  1  0.371  0.371  0.882  1.0
  O  O19  1  0.538  0.179  0.388  1.0
  O  O20  1  0.705  0.028  0.886  1.0
  O  O21  1  0.028  0.705  0.886  1.0
  O  O22  1  0.179  0.538  0.388  1.0
  O  O23  1  0.898  0.898  0.389  1.0
[/CIF]
.