The crystal structure described by Li2Mn3SnO8 is Spinel-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(5)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-66°. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Mn(4)O6 octahedra, edges with two equivalent Mn(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Mn site, Mn(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Sn(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form SnO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Mn(2), one Mn(4), and one Mn(5) atom to form distorted OLiMn3 tetrahedra that share  a cornercorner with one O(2)LiMn3 tetrahedra, corners with two equivalent O(1)LiMn3 tetrahedra, and corners with two equivalent O(6)LiMn2Sn trigonal pyramids. In the second O site, O(2) is bonded to one Li(2), one Mn(1), one Mn(3), and one Mn(4) atom to form distorted OLiMn3 tetrahedra that share  a cornercorner with one O(1)LiMn3 tetrahedra, corners with two equivalent O(2)LiMn3 tetrahedra,  a cornercorner with one O(6)LiMn2Sn trigonal pyramid, and  an edgeedge with one O(6)LiMn2Sn trigonal pyramid. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(4), one Mn(5), and one Sn(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Mn(1), one Mn(4), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Mn(2), one Mn(4), and one Sn(1) atom. In the sixth O site, O(6) is bonded to one Li(1), one Mn(3), one Mn(4), and one Sn(1) atom to form distorted OLiMn2Sn trigonal pyramids that share  a cornercorner with one O(2)LiMn3 tetrahedra, corners with two equivalent O(1)LiMn3 tetrahedra,  a cornercorner with one O(6)LiMn2Sn trigonal pyramid, and  an edgeedge with one O(2)LiMn3 tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Mn(2), one Mn(5), and one Sn(1) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Mn(3), and one Sn(1) atom. is represented by the CIF file [CIF]
data_Li2Mn3SnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.060
_cell_length_b   6.220
_cell_length_c   8.420
_cell_angle_alpha   88.068
_cell_angle_beta   90.653
_cell_angle_gamma   87.922
_symmetry_Int_Tables_number   1
_cell_volume   316.961
_cell_formula_units_Z   2
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  0.006  0.248  0.117  1.0
  Li  Li1  1  0.501  0.750  0.621  1.0
  Li  Li2  1  0.999  0.750  0.879  1.0
  Li  Li3  1  0.494  0.252  0.383  1.0
  Mn  Mn4  1  0.750  0.250  0.750  1.0
  Mn  Mn5  1  0.750  0.750  0.250  1.0
  Mn  Mn6  1  0.250  0.250  0.750  1.0
  Mn  Mn7  1  0.001  0.501  0.502  1.0
  Mn  Mn8  1  0.499  0.999  0.998  1.0
  Mn  Mn9  1  0.250  0.750  0.250  1.0
  Sn  Sn10  1  0.007  0.999  0.501  1.0
  Sn  Sn11  1  0.492  0.501  0.999  1.0
  O  O12  1  0.006  0.544  0.266  1.0
  O  O13  1  0.500  0.041  0.764  1.0
  O  O14  1  0.000  0.459  0.736  1.0
  O  O15  1  0.494  0.956  0.234  1.0
  O  O16  1  0.249  0.757  0.478  1.0
  O  O17  1  0.737  0.263  0.982  1.0
  O  O18  1  0.783  0.745  0.492  1.0
  O  O19  1  0.273  0.241  0.982  1.0
  O  O20  1  0.020  0.980  0.254  1.0
  O  O21  1  0.462  0.479  0.754  1.0
  O  O22  1  0.038  0.021  0.746  1.0
  O  O23  1  0.480  0.520  0.246  1.0
  O  O24  1  0.227  0.259  0.518  1.0
  O  O25  1  0.717  0.755  0.008  1.0
  O  O26  1  0.763  0.237  0.518  1.0
  O  O27  1  0.251  0.744  0.022  1.0
[/CIF]
.
The crystal structure described by Li2Mn3SnO8 is Spinel-derived structured and crystallizes in the triclinic P-1 space group. There are two inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), one O(6), and one O(7) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(1)O6 octahedra,  a cornercorner with one Mn(3)O6 octahedra, corners with two equivalent Mn(2)O6 octahedra, corners with two equivalent Mn(5)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 54-63°. In the second Li site, Li(2) is bonded to one O(2), one O(3), one O(5), and one O(8) atom to form LiO4 tetrahedra that share  a cornercorner with one Mn(2)O6 octahedra,  a cornercorner with one Mn(5)O6 octahedra, corners with two equivalent Mn(1)O6 octahedra, corners with two equivalent Mn(3)O6 octahedra, corners with three equivalent Mn(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 46-66°. There are five inequivalent Mn sites. In the first Mn site, Mn(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Mn(3)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Mn site, Mn(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Mn(4)O6 octahedra, edges with two equivalent Mn(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Mn site, Mn(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form MnO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Mn(1)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fourth Mn site, Mn(4) is bonded to one O(1), one O(2), one O(3), one O(4), one O(5), and one O(6) atom to form MnO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fifth Mn site, Mn(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form MnO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Mn(2)O6 octahedra, edges with two equivalent Mn(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. Sn(1) is bonded to one O(3), one O(4), one O(5), one O(6), one O(7), and one O(8) atom to form SnO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Mn(1)O6 octahedra,  an edgeedge with one Mn(2)O6 octahedra,  an edgeedge with one Mn(3)O6 octahedra,  an edgeedge with one Mn(5)O6 octahedra, and edges with two equivalent Mn(4)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Mn(2), one Mn(4), and one Mn(5) atom to form distorted OLiMn3 tetrahedra that share  a cornercorner with one O(2)LiMn3 tetrahedra, corners with two equivalent O(1)LiMn3 tetrahedra, and corners with two equivalent O(6)LiMn2Sn trigonal pyramids. In the second O site, O(2) is bonded to one Li(2), one Mn(1), one Mn(3), and one Mn(4) atom to form distorted OLiMn3 tetrahedra that share  a cornercorner with one O(1)LiMn3 tetrahedra, corners with two equivalent O(2)LiMn3 tetrahedra,  a cornercorner with one O(6)LiMn2Sn trigonal pyramid, and  an edgeedge with one O(6)LiMn2Sn trigonal pyramid. In the third O site, O(3) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(4), one Mn(5), and one Sn(1) atom. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Mn(1), one Mn(4), and one Sn(1) atom. In the fifth O site, O(5) is bonded in a distorted rectangular see-saw-like geometry to one Li(2), one Mn(2), one Mn(4), and one Sn(1) atom. In the sixth O site, O(6) is bonded to one Li(1), one Mn(3), one Mn(4), and one Sn(1) atom to form distorted OLiMn2Sn trigonal pyramids that share  a cornercorner with one O(2)LiMn3 tetrahedra, corners with two equivalent O(1)LiMn3 tetrahedra,  a cornercorner with one O(6)LiMn2Sn trigonal pyramid, and  an edgeedge with one O(2)LiMn3 tetrahedra. In the seventh O site, O(7) is bonded in a rectangular see-saw-like geometry to one Li(1), one Mn(2), one Mn(5), and one Sn(1) atom. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Mn(1), one Mn(3), and one Sn(1) atom. is represented by the CIF file [CIF]
data_Li2Mn3SnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.060
_cell_length_b   6.220
_cell_length_c   8.420
_cell_angle_alpha   88.068
_cell_angle_beta   90.653
_cell_angle_gamma   87.922
_symmetry_Int_Tables_number   1
_cell_volume   316.961
_cell_formula_units_Z   2
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  0.006  0.248  0.117  1.0
  Li  Li1  1  0.501  0.750  0.621  1.0
  Li  Li2  1  0.999  0.750  0.879  1.0
  Li  Li3  1  0.494  0.252  0.383  1.0
  Mn  Mn4  1  0.750  0.250  0.750  1.0
  Mn  Mn5  1  0.750  0.750  0.250  1.0
  Mn  Mn6  1  0.250  0.250  0.750  1.0
  Mn  Mn7  1  0.001  0.501  0.502  1.0
  Mn  Mn8  1  0.499  0.999  0.998  1.0
  Mn  Mn9  1  0.250  0.750  0.250  1.0
  Sn  Sn10  1  0.007  0.999  0.501  1.0
  Sn  Sn11  1  0.492  0.501  0.999  1.0
  O  O12  1  0.006  0.544  0.266  1.0
  O  O13  1  0.500  0.041  0.764  1.0
  O  O14  1  0.000  0.459  0.736  1.0
  O  O15  1  0.494  0.956  0.234  1.0
  O  O16  1  0.249  0.757  0.478  1.0
  O  O17  1  0.737  0.263  0.982  1.0
  O  O18  1  0.783  0.745  0.492  1.0
  O  O19  1  0.273  0.241  0.982  1.0
  O  O20  1  0.020  0.980  0.254  1.0
  O  O21  1  0.462  0.479  0.754  1.0
  O  O22  1  0.038  0.021  0.746  1.0
  O  O23  1  0.480  0.520  0.246  1.0
  O  O24  1  0.227  0.259  0.518  1.0
  O  O25  1  0.717  0.755  0.008  1.0
  O  O26  1  0.763  0.237  0.518  1.0
  O  O27  1  0.251  0.744  0.022  1.0
[/CIF]
.