The material structure described by Li7Mn2(CoO4)3 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are four 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(5) atoms to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. In the second Li site, Li(2) is bonded to one O(1), one O(5), two equivalent O(2), and two equivalent O(4) atoms to form LiO6 octahedra that share corners with three equivalent Li(4)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(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 7-12°. In the third Li site, Li(3) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, and edges with six equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. In the fourth Li site, Li(4) is bonded to two equivalent O(5) and four equivalent O(2) atoms to form LiO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-12°. Mn(1) is bonded to one O(4), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form MnO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-8°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), two equivalent O(4), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-9°. In the second Co site, Co(2) is bonded to two equivalent O(2) and four equivalent O(5) atoms to form CoO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), two equivalent Li(1), two equivalent Mn(1), and one Co(1) atom to form OLi3Mn2Co octahedra that share corners with three equivalent O(3)Li3Mn2Co octahedra, corners with three equivalent O(5)Li4Co2 octahedra,  an edgeedge with one O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li4Co2 octahedra, edges with two equivalent O(1)Li3Mn2Co octahedra, edges with two equivalent O(6)Li3MnCo2 octahedra, edges with two equivalent O(2)Li5Co octahedra, and edges with four equivalent O(4)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(2), two equivalent Li(4), and one Co(2) atom to form OLi5Co octahedra that share corners with three equivalent O(4)Li3MnCo2 octahedra, corners with three equivalent O(2)Li5Co octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra, edges with two equivalent O(1)Li3Mn2Co octahedra, edges with three equivalent O(2)Li5Co octahedra, and edges with six equivalent O(5)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the third O site, O(3) is bonded to three equivalent Li(3), two equivalent Mn(1), and one Co(1) atom to form OLi3Mn2Co octahedra that share corners with three equivalent O(1)Li3Mn2Co octahedra, corners with three equivalent O(6)Li3MnCo2 octahedra,  an edgeedge with one O(1)Li3Mn2Co octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with four equivalent O(3)Li3Mn2Co octahedra, and edges with five equivalent O(6)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fourth O site, O(4) is bonded to one Li(1), two equivalent Li(2), one Mn(1), and two equivalent Co(1) atoms to form OLi3MnCo2 octahedra that share corners with three equivalent O(6)Li3MnCo2 octahedra, corners with three equivalent O(2)Li5Co octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(2)Li5Co octahedra, edges with two equivalent O(3)Li3Mn2Co octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(5)Li4Co2 octahedra, and edges with four equivalent O(1)Li3Mn2Co octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), two equivalent Li(1), and two equivalent Co(2) atoms to form OLi4Co2 octahedra that share corners with three equivalent O(1)Li3Mn2Co octahedra, corners with three equivalent O(5)Li4Co2 octahedra,  an edgeedge with one O(1)Li3Mn2Co octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with three equivalent O(5)Li4Co2 octahedra, and edges with six equivalent O(2)Li5Co octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the sixth O site, O(6) is bonded to three equivalent Li(3), one Mn(1), and two equivalent Co(1) atoms to form OLi3MnCo2 octahedra that share corners with three equivalent O(3)Li3Mn2Co octahedra, corners with three equivalent O(4)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra, edges with two equivalent O(1)Li3Mn2Co octahedra, edges with four equivalent O(6)Li3MnCo2 octahedra, and edges with five equivalent O(3)Li3Mn2Co octahedra. The corner-sharing octahedral tilt angles range from 1-3°. is represented by the CIF card [CIF]
data_Li7Mn2(CoO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.985
_cell_length_b   5.051
_cell_length_c   14.630
_cell_angle_alpha   81.749
_cell_angle_beta   85.613
_cell_angle_gamma   88.222
_symmetry_Int_Tables_number   1
_cell_volume   217.650
_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  0.919  0.080  0.659  1.0
  Li  Li1  1  0.569  0.413  0.342  1.0
  Li  Li2  1  0.249  0.750  0.001  1.0
  Li  Li3  1  0.431  0.587  0.658  1.0
  Li  Li4  1  0.081  0.920  0.341  1.0
  Li  Li5  1  0.751  0.250  0.999  1.0
  Li  Li6  1  0.500  0.000  0.500  1.0
  Mn  Mn7  1  0.836  0.667  0.832  1.0
  Mn  Mn8  1  0.164  0.333  0.168  1.0
  Co  Co9  1  0.334  0.167  0.832  1.0
  Co  Co10  1  0.000  0.500  0.500  1.0
  Co  Co11  1  0.666  0.833  0.168  1.0
  O  O12  1  0.413  0.879  0.752  1.0
  O  O13  1  0.039  0.246  0.426  1.0
  O  O14  1  0.742  0.544  0.090  1.0
  O  O15  1  0.869  0.373  0.757  1.0
  O  O16  1  0.523  0.685  0.428  1.0
  O  O17  1  0.204  0.043  0.092  1.0
  O  O18  1  0.477  0.315  0.572  1.0
  O  O19  1  0.131  0.627  0.243  1.0
  O  O20  1  0.796  0.957  0.908  1.0
  O  O21  1  0.961  0.754  0.574  1.0
  O  O22  1  0.587  0.121  0.248  1.0
  O  O23  1  0.258  0.456  0.910  1.0
[/CIF]
.
The material structure described by Li7Mn2(CoO4)3 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are four 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(5) atoms to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(2)O6 octahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Co(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, and edges with four equivalent Li(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. In the second Li site, Li(2) is bonded to one O(1), one O(5), two equivalent O(2), and two equivalent O(4) atoms to form LiO6 octahedra that share corners with three equivalent Li(4)O6 octahedra, corners with three equivalent Co(1)O6 octahedra,  an edgeedge with one Li(4)O6 octahedra,  an edgeedge with one Co(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(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 7-12°. In the third Li site, Li(3) is bonded to three equivalent O(3) and three equivalent O(6) atoms to form LiO6 octahedra that share corners with three equivalent Mn(1)O6 octahedra, corners with three equivalent Co(1)O6 octahedra, edges with three equivalent Mn(1)O6 octahedra, edges with three equivalent Co(1)O6 octahedra, and edges with six equivalent Li(3)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. In the fourth Li site, Li(4) is bonded to two equivalent O(5) and four equivalent O(2) atoms to form LiO6 octahedra that share corners with six equivalent Li(2)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(4)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Co(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 8-12°. Mn(1) is bonded to one O(4), one O(6), two equivalent O(1), and two equivalent O(3) atoms to form MnO6 octahedra that share corners with three equivalent Li(1)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Mn(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with four equivalent Co(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-8°. There are two inequivalent Co sites. In the first Co site, Co(1) is bonded to one O(1), one O(3), two equivalent O(4), and two equivalent O(6) atoms to form CoO6 octahedra that share corners with three equivalent Li(2)O6 octahedra, corners with three equivalent Li(3)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(1)O6 octahedra, edges with three equivalent Li(3)O6 octahedra, and edges with four equivalent Mn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 5-9°. In the second Co site, Co(2) is bonded to two equivalent O(2) and four equivalent O(5) atoms to form CoO6 octahedra that share corners with six equivalent Li(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Co(2)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Li(4)O6 octahedra. The corner-sharing octahedral tilt angles range from 3-8°. There are six inequivalent O sites. In the first O site, O(1) is bonded to one Li(2), two equivalent Li(1), two equivalent Mn(1), and one Co(1) atom to form OLi3Mn2Co octahedra that share corners with three equivalent O(3)Li3Mn2Co octahedra, corners with three equivalent O(5)Li4Co2 octahedra,  an edgeedge with one O(3)Li3Mn2Co octahedra,  an edgeedge with one O(5)Li4Co2 octahedra, edges with two equivalent O(1)Li3Mn2Co octahedra, edges with two equivalent O(6)Li3MnCo2 octahedra, edges with two equivalent O(2)Li5Co octahedra, and edges with four equivalent O(4)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the second O site, O(2) is bonded to one Li(1), two equivalent Li(2), two equivalent Li(4), and one Co(2) atom to form OLi5Co octahedra that share corners with three equivalent O(4)Li3MnCo2 octahedra, corners with three equivalent O(2)Li5Co octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra, edges with two equivalent O(1)Li3Mn2Co octahedra, edges with three equivalent O(2)Li5Co octahedra, and edges with six equivalent O(5)Li4Co2 octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the third O site, O(3) is bonded to three equivalent Li(3), two equivalent Mn(1), and one Co(1) atom to form OLi3Mn2Co octahedra that share corners with three equivalent O(1)Li3Mn2Co octahedra, corners with three equivalent O(6)Li3MnCo2 octahedra,  an edgeedge with one O(1)Li3Mn2Co octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with four equivalent O(3)Li3Mn2Co octahedra, and edges with five equivalent O(6)Li3MnCo2 octahedra. The corner-sharing octahedral tilt angles range from 0-3°. In the fourth O site, O(4) is bonded to one Li(1), two equivalent Li(2), one Mn(1), and two equivalent Co(1) atoms to form OLi3MnCo2 octahedra that share corners with three equivalent O(6)Li3MnCo2 octahedra, corners with three equivalent O(2)Li5Co octahedra,  an edgeedge with one O(6)Li3MnCo2 octahedra,  an edgeedge with one O(2)Li5Co octahedra, edges with two equivalent O(3)Li3Mn2Co octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with two equivalent O(5)Li4Co2 octahedra, and edges with four equivalent O(1)Li3Mn2Co octahedra. The corner-sharing octahedral tilt angles range from 1-7°. In the fifth O site, O(5) is bonded to one Li(2), one Li(4), two equivalent Li(1), and two equivalent Co(2) atoms to form OLi4Co2 octahedra that share corners with three equivalent O(1)Li3Mn2Co octahedra, corners with three equivalent O(5)Li4Co2 octahedra,  an edgeedge with one O(1)Li3Mn2Co octahedra, edges with two equivalent O(4)Li3MnCo2 octahedra, edges with three equivalent O(5)Li4Co2 octahedra, and edges with six equivalent O(2)Li5Co octahedra. The corner-sharing octahedral tilt angles range from 0-7°. In the sixth O site, O(6) is bonded to three equivalent Li(3), one Mn(1), and two equivalent Co(1) atoms to form OLi3MnCo2 octahedra that share corners with three equivalent O(3)Li3Mn2Co octahedra, corners with three equivalent O(4)Li3MnCo2 octahedra,  an edgeedge with one O(4)Li3MnCo2 octahedra, edges with two equivalent O(1)Li3Mn2Co octahedra, edges with four equivalent O(6)Li3MnCo2 octahedra, and edges with five equivalent O(3)Li3Mn2Co octahedra. The corner-sharing octahedral tilt angles range from 1-3°. is represented by the CIF card [CIF]
data_Li7Mn2(CoO4)3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.985
_cell_length_b   5.051
_cell_length_c   14.630
_cell_angle_alpha   81.749
_cell_angle_beta   85.613
_cell_angle_gamma   88.222
_symmetry_Int_Tables_number   1
_cell_volume   217.650
_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  0.919  0.080  0.659  1.0
  Li  Li1  1  0.569  0.413  0.342  1.0
  Li  Li2  1  0.249  0.750  0.001  1.0
  Li  Li3  1  0.431  0.587  0.658  1.0
  Li  Li4  1  0.081  0.920  0.341  1.0
  Li  Li5  1  0.751  0.250  0.999  1.0
  Li  Li6  1  0.500  0.000  0.500  1.0
  Mn  Mn7  1  0.836  0.667  0.832  1.0
  Mn  Mn8  1  0.164  0.333  0.168  1.0
  Co  Co9  1  0.334  0.167  0.832  1.0
  Co  Co10  1  0.000  0.500  0.500  1.0
  Co  Co11  1  0.666  0.833  0.168  1.0
  O  O12  1  0.413  0.879  0.752  1.0
  O  O13  1  0.039  0.246  0.426  1.0
  O  O14  1  0.742  0.544  0.090  1.0
  O  O15  1  0.869  0.373  0.757  1.0
  O  O16  1  0.523  0.685  0.428  1.0
  O  O17  1  0.204  0.043  0.092  1.0
  O  O18  1  0.477  0.315  0.572  1.0
  O  O19  1  0.131  0.627  0.243  1.0
  O  O20  1  0.796  0.957  0.908  1.0
  O  O21  1  0.961  0.754  0.574  1.0
  O  O22  1  0.587  0.121  0.248  1.0
  O  O23  1  0.258  0.456  0.910  1.0
[/CIF]
.