The crystal structure described by Li9Mn3(WO4)7 crystallizes in the trigonal R3m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(1), one O(7), two equivalent O(6), and two equivalent O(8) atoms. There are three inequivalent W sites. In the first W site, W(2) is bonded in a 6-coordinate geometry to three equivalent O(2) and three equivalent O(5) atoms. In the second W site, W(1) is bonded to one O(1), one O(7), two equivalent O(5), and two equivalent O(6) atoms to form distorted edge-sharing WO6 octahedra. In the third W site, W(3) is bonded in a tetrahedral geometry to one O(4), one O(8), and two equivalent O(3) atoms. Mn(1) is bonded in a 6-coordinate geometry to one O(2), one O(5), two equivalent O(3), and two equivalent O(6) atoms. There are eight inequivalent O sites. In the first O site, O(5) is bonded to two equivalent Li(1), one W(2), two equivalent W(1), and one Mn(1) atom to form distorted edge-sharing OLi2MnW3 octahedra. In the second O site, O(6) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(2), one W(1), and one Mn(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one W(3), and one Mn(1) atom. In the fourth O site, O(7) is bonded in a 6-coordinate geometry to three equivalent Li(2) and three equivalent W(1) atoms. In the fifth O site, O(8) is bonded in a trigonal planar geometry to two equivalent Li(2) and one W(3) atom. In the sixth O site, O(1) is bonded in a distorted see-saw-like geometry to one Li(2), two equivalent Li(1), and one W(1) atom. In the seventh O site, O(2) is bonded in a see-saw-like geometry to two equivalent Li(1), one W(2), and one Mn(1) atom. In the eighth O site, O(4) is bonded in a trigonal planar geometry to two equivalent Li(1) and one W(3) atom. is represented by the CIF file [CIF]
data_Li9Mn3(WO4)7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.591
_cell_length_b   8.591
_cell_length_c   8.591
_cell_angle_alpha   89.959
_cell_angle_beta   89.959
_cell_angle_gamma   89.959
_symmetry_Int_Tables_number   1
_cell_volume   634.050
_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  0.904  0.360  0.644  1.0
  Li  Li1  1  0.904  0.644  0.360  1.0
  Li  Li2  1  0.644  0.360  0.904  1.0
  Li  Li3  1  0.644  0.904  0.360  1.0
  Li  Li4  1  0.354  0.093  0.354  1.0
  Li  Li5  1  0.354  0.354  0.093  1.0
  Li  Li6  1  0.360  0.644  0.904  1.0
  Li  Li7  1  0.360  0.904  0.644  1.0
  Li  Li8  1  0.093  0.354  0.354  1.0
  Mn  Mn9  1  0.640  0.095  0.640  1.0
  Mn  Mn10  1  0.640  0.640  0.095  1.0
  Mn  Mn11  1  0.095  0.640  0.640  1.0
  W  W12  1  0.641  0.359  0.359  1.0
  W  W13  1  0.642  0.642  0.642  1.0
  W  W14  1  0.359  0.359  0.641  1.0
  W  W15  1  0.359  0.641  0.359  1.0
  W  W16  1  0.003  0.003  0.497  1.0
  W  W17  1  0.003  0.497  0.003  1.0
  W  W18  1  0.497  0.003  0.003  1.0
  O  O19  1  0.850  0.382  0.382  1.0
  O  O20  1  0.858  0.612  0.612  1.0
  O  O21  1  0.881  0.128  0.619  1.0
  O  O22  1  0.881  0.619  0.128  1.0
  O  O23  1  0.880  0.380  0.880  1.0
  O  O24  1  0.880  0.880  0.380  1.0
  O  O25  1  0.619  0.128  0.881  1.0
  O  O26  1  0.619  0.881  0.128  1.0
  O  O27  1  0.608  0.386  0.608  1.0
  O  O28  1  0.608  0.608  0.386  1.0
  O  O29  1  0.615  0.147  0.385  1.0
  O  O30  1  0.615  0.385  0.147  1.0
  O  O31  1  0.612  0.612  0.858  1.0
  O  O32  1  0.612  0.858  0.612  1.0
  O  O33  1  0.385  0.147  0.615  1.0
  O  O34  1  0.385  0.615  0.147  1.0
  O  O35  1  0.382  0.382  0.850  1.0
  O  O36  1  0.382  0.850  0.382  1.0
  O  O37  1  0.392  0.392  0.392  1.0
  O  O38  1  0.386  0.608  0.608  1.0
  O  O39  1  0.375  0.124  0.124  1.0
  O  O40  1  0.380  0.880  0.880  1.0
  O  O41  1  0.124  0.124  0.375  1.0
  O  O42  1  0.124  0.375  0.124  1.0
  O  O43  1  0.128  0.619  0.881  1.0
  O  O44  1  0.128  0.881  0.619  1.0
  O  O45  1  0.147  0.385  0.615  1.0
  O  O46  1  0.147  0.615  0.385  1.0
[/CIF]
.
The crystal structure described by Li9Mn3(WO4)7 crystallizes in the trigonal R3m space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded in a 6-coordinate geometry to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom. In the second Li site, Li(2) is bonded in a 6-coordinate geometry to one O(1), one O(7), two equivalent O(6), and two equivalent O(8) atoms. There are three inequivalent W sites. In the first W site, W(2) is bonded in a 6-coordinate geometry to three equivalent O(2) and three equivalent O(5) atoms. In the second W site, W(1) is bonded to one O(1), one O(7), two equivalent O(5), and two equivalent O(6) atoms to form distorted edge-sharing WO6 octahedra. In the third W site, W(3) is bonded in a tetrahedral geometry to one O(4), one O(8), and two equivalent O(3) atoms. Mn(1) is bonded in a 6-coordinate geometry to one O(2), one O(5), two equivalent O(3), and two equivalent O(6) atoms. There are eight inequivalent O sites. In the first O site, O(5) is bonded to two equivalent Li(1), one W(2), two equivalent W(1), and one Mn(1) atom to form distorted edge-sharing OLi2MnW3 octahedra. In the second O site, O(6) is bonded in a distorted see-saw-like geometry to one Li(1), one Li(2), one W(1), and one Mn(1) atom. In the third O site, O(3) is bonded in a trigonal planar geometry to one Li(1), one W(3), and one Mn(1) atom. In the fourth O site, O(7) is bonded in a 6-coordinate geometry to three equivalent Li(2) and three equivalent W(1) atoms. In the fifth O site, O(8) is bonded in a trigonal planar geometry to two equivalent Li(2) and one W(3) atom. In the sixth O site, O(1) is bonded in a distorted see-saw-like geometry to one Li(2), two equivalent Li(1), and one W(1) atom. In the seventh O site, O(2) is bonded in a see-saw-like geometry to two equivalent Li(1), one W(2), and one Mn(1) atom. In the eighth O site, O(4) is bonded in a trigonal planar geometry to two equivalent Li(1) and one W(3) atom. is represented by the CIF file [CIF]
data_Li9Mn3(WO4)7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.591
_cell_length_b   8.591
_cell_length_c   8.591
_cell_angle_alpha   89.959
_cell_angle_beta   89.959
_cell_angle_gamma   89.959
_symmetry_Int_Tables_number   1
_cell_volume   634.050
_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  0.904  0.360  0.644  1.0
  Li  Li1  1  0.904  0.644  0.360  1.0
  Li  Li2  1  0.644  0.360  0.904  1.0
  Li  Li3  1  0.644  0.904  0.360  1.0
  Li  Li4  1  0.354  0.093  0.354  1.0
  Li  Li5  1  0.354  0.354  0.093  1.0
  Li  Li6  1  0.360  0.644  0.904  1.0
  Li  Li7  1  0.360  0.904  0.644  1.0
  Li  Li8  1  0.093  0.354  0.354  1.0
  Mn  Mn9  1  0.640  0.095  0.640  1.0
  Mn  Mn10  1  0.640  0.640  0.095  1.0
  Mn  Mn11  1  0.095  0.640  0.640  1.0
  W  W12  1  0.641  0.359  0.359  1.0
  W  W13  1  0.642  0.642  0.642  1.0
  W  W14  1  0.359  0.359  0.641  1.0
  W  W15  1  0.359  0.641  0.359  1.0
  W  W16  1  0.003  0.003  0.497  1.0
  W  W17  1  0.003  0.497  0.003  1.0
  W  W18  1  0.497  0.003  0.003  1.0
  O  O19  1  0.850  0.382  0.382  1.0
  O  O20  1  0.858  0.612  0.612  1.0
  O  O21  1  0.881  0.128  0.619  1.0
  O  O22  1  0.881  0.619  0.128  1.0
  O  O23  1  0.880  0.380  0.880  1.0
  O  O24  1  0.880  0.880  0.380  1.0
  O  O25  1  0.619  0.128  0.881  1.0
  O  O26  1  0.619  0.881  0.128  1.0
  O  O27  1  0.608  0.386  0.608  1.0
  O  O28  1  0.608  0.608  0.386  1.0
  O  O29  1  0.615  0.147  0.385  1.0
  O  O30  1  0.615  0.385  0.147  1.0
  O  O31  1  0.612  0.612  0.858  1.0
  O  O32  1  0.612  0.858  0.612  1.0
  O  O33  1  0.385  0.147  0.615  1.0
  O  O34  1  0.385  0.615  0.147  1.0
  O  O35  1  0.382  0.382  0.850  1.0
  O  O36  1  0.382  0.850  0.382  1.0
  O  O37  1  0.392  0.392  0.392  1.0
  O  O38  1  0.386  0.608  0.608  1.0
  O  O39  1  0.375  0.124  0.124  1.0
  O  O40  1  0.380  0.880  0.880  1.0
  O  O41  1  0.124  0.124  0.375  1.0
  O  O42  1  0.124  0.375  0.124  1.0
  O  O43  1  0.128  0.619  0.881  1.0
  O  O44  1  0.128  0.881  0.619  1.0
  O  O45  1  0.147  0.385  0.615  1.0
  O  O46  1  0.147  0.615  0.385  1.0
[/CIF]
.