The structure 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(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(1)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 5-11°. In the second Li site, Li(2) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with six equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. In the third Li site, Li(3) is bonded to two equivalent O(2) and four equivalent O(3) 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 two equivalent Mn(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. Mn(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-8°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-11°. In the second Co site, Co(2) is bonded to two equivalent O(4) and four equivalent O(1) 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 two equivalent Co(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-9°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), two equivalent Li(1), one Mn(1), one Co(1), and one Co(2) atom to form OLi3MnCo2 octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra, edges with two equivalent O(2)Li4Co2 octahedra, edges with three equivalent O(4)Li3Mn2Co octahedra, edges with three equivalent O(1)Li3MnCo2 octahedra, and edges with four equivalent O(3)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the second O site, O(2) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Co(1) atoms to form OLi4Co2 octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra,  an edgeedge with one O(4)Li3Mn2Co octahedra,  an edgeedge with one O(2)Li4Co2 octahedra, edges with four equivalent O(1)Li3MnCo2 octahedra, and edges with six equivalent O(3)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Mn(1), and one Co(1) atom to form OLi4MnCo octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra, edges with two equivalent O(4)Li3Mn2Co octahedra, edges with three equivalent O(2)Li4Co2 octahedra, edges with three equivalent O(3)Li4MnCo octahedra, and edges with four equivalent O(1)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the fourth O site, O(4) is bonded to one Li(2), two equivalent Li(1), two equivalent Mn(1), and one Co(2) atom to form OLi3Mn2Co octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra,  an edgeedge with one O(4)Li3Mn2Co octahedra,  an edgeedge with one O(2)Li4Co2 octahedra, edges with four equivalent O(3)Li4MnCo octahedra, and edges with six equivalent O(1)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. is represented by the CIF card [CIF]
data_Li7Mn2(CoO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.586
_cell_length_b   6.586
_cell_length_c   5.015
_cell_angle_alpha   83.109
_cell_angle_beta   83.109
_cell_angle_gamma   83.916
_symmetry_Int_Tables_number   1
_cell_volume   213.480
_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  0.581  0.908  0.753  1.0
  Li  Li1  1  0.256  0.256  0.753  1.0
  Li  Li2  1  0.908  0.581  0.753  1.0
  Li  Li3  1  0.092  0.419  0.247  1.0
  Li  Li4  1  0.744  0.744  0.247  1.0
  Li  Li5  1  0.419  0.092  0.247  1.0
  Li  Li6  1  0.500  0.500  0.000  1.0
  Mn  Mn7  1  0.830  0.170  0.000  1.0
  Mn  Mn8  1  0.170  0.830  0.000  1.0
  Co  Co9  1  0.343  0.657  0.500  1.0
  Co  Co10  1  0.000  0.000  0.500  1.0
  Co  Co11  1  0.657  0.343  0.500  1.0
  O  O12  1  0.948  0.274  0.645  1.0
  O  O13  1  0.624  0.624  0.605  1.0
  O  O14  1  0.274  0.948  0.645  1.0
  O  O15  1  0.430  0.795  0.135  1.0
  O  O16  1  0.111  0.111  0.120  1.0
  O  O17  1  0.795  0.430  0.135  1.0
  O  O18  1  0.205  0.570  0.865  1.0
  O  O19  1  0.889  0.889  0.880  1.0
  O  O20  1  0.570  0.205  0.865  1.0
  O  O21  1  0.726  0.052  0.355  1.0
  O  O22  1  0.376  0.376  0.395  1.0
  O  O23  1  0.052  0.726  0.355  1.0
[/CIF]
.
The structure 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(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(1)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 5-11°. In the second Li site, Li(2) is bonded to one O(2), one O(4), two equivalent O(1), and two equivalent O(3) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra,  a cornercorner with one Co(2)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Co(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with six equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. In the third Li site, Li(3) is bonded to two equivalent O(2) and four equivalent O(3) 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 two equivalent Mn(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 2-10°. Mn(1) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(4) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-8°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(3) atoms to form CoO6 octahedra that share corners with two equivalent Li(2)O6 octahedra, corners with four equivalent Li(1)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, and edges with four equivalent Li(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-11°. In the second Co site, Co(2) is bonded to two equivalent O(4) and four equivalent O(1) 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 two equivalent Co(1)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 7-9°. There are four inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), two equivalent Li(1), one Mn(1), one Co(1), and one Co(2) atom to form OLi3MnCo2 octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra, edges with two equivalent O(2)Li4Co2 octahedra, edges with three equivalent O(4)Li3Mn2Co octahedra, edges with three equivalent O(1)Li3MnCo2 octahedra, and edges with four equivalent O(3)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the second O site, O(2) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Co(1) atoms to form OLi4Co2 octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra,  an edgeedge with one O(4)Li3Mn2Co octahedra,  an edgeedge with one O(2)Li4Co2 octahedra, edges with four equivalent O(1)Li3MnCo2 octahedra, and edges with six equivalent O(3)Li4MnCo octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Mn(1), and one Co(1) atom to form OLi4MnCo octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra, edges with two equivalent O(4)Li3Mn2Co octahedra, edges with three equivalent O(2)Li4Co2 octahedra, edges with three equivalent O(3)Li4MnCo octahedra, and edges with four equivalent O(1)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-13°. In the fourth O site, O(4) is bonded to one Li(2), two equivalent Li(1), two equivalent Mn(1), and one Co(2) atom to form OLi3Mn2Co octahedra that share  a cornercorner with one O(4)Li3Mn2Co octahedra,  a cornercorner with one O(2)Li4Co2 octahedra, corners with two equivalent O(1)Li3MnCo2 octahedra, corners with two equivalent O(3)Li4MnCo octahedra,  an edgeedge with one O(4)Li3Mn2Co octahedra,  an edgeedge with one O(2)Li4Co2 octahedra, edges with four equivalent O(3)Li4MnCo octahedra, and edges with six equivalent O(1)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-6°. is represented by the CIF card [CIF]
data_Li7Mn2(CoO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.586
_cell_length_b   6.586
_cell_length_c   5.015
_cell_angle_alpha   83.109
_cell_angle_beta   83.109
_cell_angle_gamma   83.916
_symmetry_Int_Tables_number   1
_cell_volume   213.480
_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  0.581  0.908  0.753  1.0
  Li  Li1  1  0.256  0.256  0.753  1.0
  Li  Li2  1  0.908  0.581  0.753  1.0
  Li  Li3  1  0.092  0.419  0.247  1.0
  Li  Li4  1  0.744  0.744  0.247  1.0
  Li  Li5  1  0.419  0.092  0.247  1.0
  Li  Li6  1  0.500  0.500  0.000  1.0
  Mn  Mn7  1  0.830  0.170  0.000  1.0
  Mn  Mn8  1  0.170  0.830  0.000  1.0
  Co  Co9  1  0.343  0.657  0.500  1.0
  Co  Co10  1  0.000  0.000  0.500  1.0
  Co  Co11  1  0.657  0.343  0.500  1.0
  O  O12  1  0.948  0.274  0.645  1.0
  O  O13  1  0.624  0.624  0.605  1.0
  O  O14  1  0.274  0.948  0.645  1.0
  O  O15  1  0.430  0.795  0.135  1.0
  O  O16  1  0.111  0.111  0.120  1.0
  O  O17  1  0.795  0.430  0.135  1.0
  O  O18  1  0.205  0.570  0.865  1.0
  O  O19  1  0.889  0.889  0.880  1.0
  O  O20  1  0.570  0.205  0.865  1.0
  O  O21  1  0.726  0.052  0.355  1.0
  O  O22  1  0.376  0.376  0.395  1.0
  O  O23  1  0.052  0.726  0.355  1.0
[/CIF]
.