The structure described by Li2Fe3SnO8 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 Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-63°. 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 Fe(2)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Fe site, Fe(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fourth Fe site, Fe(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 FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fifth Fe site, Fe(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Fe(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 Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(2), one Fe(4), and one Fe(5) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(3), and one Fe(4) atom. In the third O site, O(3) is bonded to one Li(2), one Fe(4), one Fe(5), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OLiFe2Sn trigonal pyramids. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(4), and one Sn(1) atom. In the fifth O site, O(5) is bonded to one Li(2), one Fe(2), one Fe(4), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OLiFe2Sn trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(3), one Fe(4), and one Sn(1) atom. In the seventh O site, O(7) is bonded to one Li(1), one Fe(2), one Fe(5), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OLiFe2Sn trigonal pyramids. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(3), and one Sn(1) atom. is represented by the CIF card [CIF]
data_Li2Fe3SnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.016
_cell_length_b   6.160
_cell_length_c   8.600
_cell_angle_alpha   88.428
_cell_angle_beta   89.923
_cell_angle_gamma   90.073
_symmetry_Int_Tables_number   1
_cell_volume   318.621
_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  0.999  0.247  0.121  1.0
  Li  Li1  1  0.499  0.747  0.621  1.0
  Li  Li2  1  0.001  0.753  0.879  1.0
  Li  Li3  1  0.501  0.253  0.379  1.0
  Fe  Fe4  1  0.750  0.250  0.750  1.0
  Fe  Fe5  1  0.750  0.750  0.250  1.0
  Fe  Fe6  1  0.250  0.250  0.750  1.0
  Fe  Fe7  1  0.001  0.500  0.501  1.0
  Fe  Fe8  1  0.499  1.000  0.999  1.0
  Fe  Fe9  1  0.250  0.750  0.250  1.0
  Sn  Sn10  1  0.999  0.999  0.501  1.0
  Sn  Sn11  1  0.501  0.502  0.999  1.0
  O  O12  1  0.018  0.536  0.261  1.0
  O  O13  1  0.485  0.036  0.761  1.0
  O  O14  1  0.015  0.464  0.739  1.0
  O  O15  1  0.482  0.964  0.239  1.0
  O  O16  1  0.233  0.746  0.484  1.0
  O  O17  1  0.725  0.243  0.990  1.0
  O  O18  1  0.772  0.743  0.488  1.0
  O  O19  1  0.266  0.247  0.980  1.0
  O  O20  1  0.997  0.978  0.258  1.0
  O  O21  1  0.506  0.479  0.758  1.0
  O  O22  1  0.994  0.021  0.742  1.0
  O  O23  1  0.503  0.522  0.242  1.0
  O  O24  1  0.234  0.253  0.520  1.0
  O  O25  1  0.728  0.757  0.012  1.0
  O  O26  1  0.775  0.257  0.510  1.0
  O  O27  1  0.267  0.754  0.016  1.0
[/CIF]
.
The structure described by Li2Fe3SnO8 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 Fe(1)O6 octahedra,  a cornercorner with one Fe(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Fe(5)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-63°. 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 Fe(2)O6 octahedra,  a cornercorner with one Fe(5)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, corners with two equivalent Fe(3)O6 octahedra, corners with three equivalent Fe(4)O6 octahedra, and corners with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 55-62°. There are five inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(2), two equivalent O(4), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(3)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the second Fe site, Fe(2) is bonded to two equivalent O(1), two equivalent O(5), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(4)O6 octahedra, edges with two equivalent Fe(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the third Fe site, Fe(3) is bonded to two equivalent O(2), two equivalent O(6), and two equivalent O(8) atoms to form FeO6 octahedra that share corners with two equivalent Li(1)O4 tetrahedra, corners with four equivalent Li(2)O4 tetrahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(4)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fourth Fe site, Fe(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 FeO6 octahedra that share corners with three equivalent Li(1)O4 tetrahedra, corners with three equivalent Li(2)O4 tetrahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Sn(1)O6 octahedra. In the fifth Fe site, Fe(5) is bonded to two equivalent O(1), two equivalent O(3), and two equivalent O(7) atoms to form FeO6 octahedra that share corners with two equivalent Li(2)O4 tetrahedra, corners with four equivalent Li(1)O4 tetrahedra, edges with two equivalent Fe(2)O6 octahedra, edges with two equivalent Fe(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 Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra,  an edgeedge with one Fe(3)O6 octahedra,  an edgeedge with one Fe(5)O6 octahedra, and edges with two equivalent Fe(4)O6 octahedra. There are eight inequivalent O sites. In the first O site, O(1) is bonded in a rectangular see-saw-like geometry to one Li(1), one Fe(2), one Fe(4), and one Fe(5) atom. In the second O site, O(2) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(3), and one Fe(4) atom. In the third O site, O(3) is bonded to one Li(2), one Fe(4), one Fe(5), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OLiFe2Sn trigonal pyramids. In the fourth O site, O(4) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(1), one Fe(4), and one Sn(1) atom. In the fifth O site, O(5) is bonded to one Li(2), one Fe(2), one Fe(4), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OLiFe2Sn trigonal pyramids. In the sixth O site, O(6) is bonded in a distorted rectangular see-saw-like geometry to one Li(1), one Fe(3), one Fe(4), and one Sn(1) atom. In the seventh O site, O(7) is bonded to one Li(1), one Fe(2), one Fe(5), and one Sn(1) atom to form a mixture of distorted edge and corner-sharing OLiFe2Sn trigonal pyramids. In the eighth O site, O(8) is bonded in a rectangular see-saw-like geometry to one Li(2), one Fe(1), one Fe(3), and one Sn(1) atom. is represented by the CIF card [CIF]
data_Li2Fe3SnO8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.016
_cell_length_b   6.160
_cell_length_c   8.600
_cell_angle_alpha   88.428
_cell_angle_beta   89.923
_cell_angle_gamma   90.073
_symmetry_Int_Tables_number   1
_cell_volume   318.621
_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  0.999  0.247  0.121  1.0
  Li  Li1  1  0.499  0.747  0.621  1.0
  Li  Li2  1  0.001  0.753  0.879  1.0
  Li  Li3  1  0.501  0.253  0.379  1.0
  Fe  Fe4  1  0.750  0.250  0.750  1.0
  Fe  Fe5  1  0.750  0.750  0.250  1.0
  Fe  Fe6  1  0.250  0.250  0.750  1.0
  Fe  Fe7  1  0.001  0.500  0.501  1.0
  Fe  Fe8  1  0.499  1.000  0.999  1.0
  Fe  Fe9  1  0.250  0.750  0.250  1.0
  Sn  Sn10  1  0.999  0.999  0.501  1.0
  Sn  Sn11  1  0.501  0.502  0.999  1.0
  O  O12  1  0.018  0.536  0.261  1.0
  O  O13  1  0.485  0.036  0.761  1.0
  O  O14  1  0.015  0.464  0.739  1.0
  O  O15  1  0.482  0.964  0.239  1.0
  O  O16  1  0.233  0.746  0.484  1.0
  O  O17  1  0.725  0.243  0.990  1.0
  O  O18  1  0.772  0.743  0.488  1.0
  O  O19  1  0.266  0.247  0.980  1.0
  O  O20  1  0.997  0.978  0.258  1.0
  O  O21  1  0.506  0.479  0.758  1.0
  O  O22  1  0.994  0.021  0.742  1.0
  O  O23  1  0.503  0.522  0.242  1.0
  O  O24  1  0.234  0.253  0.520  1.0
  O  O25  1  0.728  0.757  0.012  1.0
  O  O26  1  0.775  0.257  0.510  1.0
  O  O27  1  0.267  0.754  0.016  1.0
[/CIF]
.