The material described by Li5Fe3(SnO5)2 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-16°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. In the third Li site, Li(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 4°. In the second Fe site, Fe(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form FeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-16°. Sn(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form SnO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Fe(1), two equivalent Fe(2), and one Sn(1) atom to form OLi2Fe3Sn octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(5)Li4FeSn octahedra,  an edgeedge with one O(1)Li2Fe3Sn octahedra, edges with two equivalent O(5)Li4FeSn octahedra, edges with two equivalent O(3)Li4Sn2 octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(2)Li2Fe3Sn octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the second O site, O(2) is bonded to two equivalent Li(2), one Fe(1), two equivalent Fe(2), and one Sn(1) atom to form OLi2Fe3Sn octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra, corners with two equivalent O(3)Li4Sn2 octahedra,  an edgeedge with one O(3)Li4Sn2 octahedra, edges with two equivalent O(2)Li2Fe3Sn octahedra, edges with two equivalent O(5)Li4FeSn octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(1)Li2Fe3Sn octahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Sn(1) atoms to form OLi4Sn2 octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(2)Li2Fe3Sn octahedra,  an edgeedge with one O(2)Li2Fe3Sn octahedra, edges with two equivalent O(1)Li2Fe3Sn octahedra, edges with two equivalent O(3)Li4Sn2 octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(5)Li4FeSn octahedra. The corner-sharing octahedral tilt angles range from 0-15°. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), one Fe(1), one Fe(2), and one Sn(1) atom to form OLi3Fe2Sn octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(4)Li3Fe2Sn octahedra, edges with three equivalent O(1)Li2Fe3Sn octahedra, edges with three equivalent O(2)Li2Fe3Sn octahedra, edges with three equivalent O(5)Li4FeSn octahedra, and edges with three equivalent O(3)Li4Sn2 octahedra. The corner-sharing octahedral tilt angles range from 0-15°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Fe(2), and one Sn(1) atom to form OLi4FeSn octahedra that share  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(1)Li2Fe3Sn octahedra,  an edgeedge with one O(5)Li4FeSn octahedra, edges with two equivalent O(1)Li2Fe3Sn octahedra, edges with two equivalent O(2)Li2Fe3Sn octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(3)Li4Sn2 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Fe3(SnO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.231
_cell_length_b   5.355
_cell_length_c   8.064
_cell_angle_alpha   72.309
_cell_angle_beta   71.938
_cell_angle_gamma   80.316
_symmetry_Int_Tables_number   1
_cell_volume   203.910
_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  0.505  0.768  0.408  1.0
  Li  Li1  1  0.507  0.592  0.792  1.0
  Li  Li2  1  0.000  0.500  0.500  1.0
  Li  Li3  1  0.493  0.408  0.208  1.0
  Li  Li4  1  0.495  0.232  0.592  1.0
  Fe  Fe5  1  0.500  0.000  0.000  1.0
  Fe  Fe6  1  0.003  0.308  0.894  1.0
  Fe  Fe7  1  0.997  0.692  0.106  1.0
  Sn  Sn8  1  0.010  0.897  0.698  1.0
  Sn  Sn9  1  0.990  0.103  0.302  1.0
  O  O10  1  0.246  0.940  0.859  1.0
  O  O11  1  0.745  0.678  0.939  1.0
  O  O12  1  0.770  0.857  0.540  1.0
  O  O13  1  0.261  0.782  0.232  1.0
  O  O14  1  0.238  0.554  0.662  1.0
  O  O15  1  0.762  0.446  0.338  1.0
  O  O16  1  0.739  0.218  0.768  1.0
  O  O17  1  0.230  0.143  0.460  1.0
  O  O18  1  0.255  0.322  0.061  1.0
  O  O19  1  0.754  0.060  0.141  1.0
[/CIF]
.
The material described by Li5Fe3(SnO5)2 is Caswellsilverite-derived structured and crystallizes in the triclinic P-1 space group. There are three inequivalent Li sites. In the first Li site, Li(1) is bonded to one O(1), one O(4), two equivalent O(3), and two equivalent O(5) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, corners with three equivalent Fe(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Fe(2)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-16°. In the second Li site, Li(2) is bonded to one O(1), one O(3), one O(4), one O(5), and two equivalent O(2) atoms to form LiO6 octahedra that share  a cornercorner with one Li(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with three equivalent Sn(1)O6 octahedra,  an edgeedge with one Li(2)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. In the third Li site, Li(3) is bonded to two equivalent O(3), two equivalent O(4), and two equivalent O(5) atoms to form LiO6 octahedra that share corners with two equivalent Li(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with two equivalent Fe(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with four equivalent Li(1)O6 octahedra, and edges with four equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-7°. There are two inequivalent Fe sites. In the first Fe site, Fe(1) is bonded to two equivalent O(1), two equivalent O(2), and two equivalent O(4) atoms to form FeO6 octahedra that share corners with two equivalent Li(3)O6 octahedra, corners with two equivalent Fe(2)O6 octahedra, corners with two equivalent Sn(1)O6 octahedra, edges with two equivalent Li(1)O6 octahedra, edges with two equivalent Sn(1)O6 octahedra, edges with four equivalent Li(2)O6 octahedra, and edges with four equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles are 4°. In the second Fe site, Fe(2) is bonded to one O(4), one O(5), two equivalent O(1), and two equivalent O(2) atoms to form FeO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(2)O6 octahedra, corners with three equivalent Li(1)O6 octahedra,  an edgeedge with one Li(1)O6 octahedra,  an edgeedge with one Li(3)O6 octahedra, edges with two equivalent Fe(1)O6 octahedra, edges with two equivalent Fe(2)O6 octahedra, edges with three equivalent Li(2)O6 octahedra, and edges with three equivalent Sn(1)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-16°. Sn(1) is bonded to one O(1), one O(2), one O(4), one O(5), and two equivalent O(3) atoms to form SnO6 octahedra that share  a cornercorner with one Fe(1)O6 octahedra, corners with two equivalent Li(1)O6 octahedra, corners with three equivalent Li(2)O6 octahedra,  an edgeedge with one Fe(1)O6 octahedra,  an edgeedge with one Sn(1)O6 octahedra, edges with two equivalent Li(2)O6 octahedra, edges with two equivalent Li(3)O6 octahedra, edges with three equivalent Li(1)O6 octahedra, and edges with three equivalent Fe(2)O6 octahedra. The corner-sharing octahedral tilt angles range from 4-11°. There are five inequivalent O sites. In the first O site, O(1) is bonded to one Li(1), one Li(2), one Fe(1), two equivalent Fe(2), and one Sn(1) atom to form OLi2Fe3Sn octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(5)Li4FeSn octahedra,  an edgeedge with one O(1)Li2Fe3Sn octahedra, edges with two equivalent O(5)Li4FeSn octahedra, edges with two equivalent O(3)Li4Sn2 octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(2)Li2Fe3Sn octahedra. The corner-sharing octahedral tilt angles range from 0-9°. In the second O site, O(2) is bonded to two equivalent Li(2), one Fe(1), two equivalent Fe(2), and one Sn(1) atom to form OLi2Fe3Sn octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra, corners with two equivalent O(3)Li4Sn2 octahedra,  an edgeedge with one O(3)Li4Sn2 octahedra, edges with two equivalent O(2)Li2Fe3Sn octahedra, edges with two equivalent O(5)Li4FeSn octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(1)Li2Fe3Sn octahedra. The corner-sharing octahedral tilt angles range from 0-12°. In the third O site, O(3) is bonded to one Li(2), one Li(3), two equivalent Li(1), and two equivalent Sn(1) atoms to form OLi4Sn2 octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(2)Li2Fe3Sn octahedra,  an edgeedge with one O(2)Li2Fe3Sn octahedra, edges with two equivalent O(1)Li2Fe3Sn octahedra, edges with two equivalent O(3)Li4Sn2 octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(5)Li4FeSn octahedra. The corner-sharing octahedral tilt angles range from 0-15°. In the fourth O site, O(4) is bonded to one Li(1), one Li(2), one Li(3), one Fe(1), one Fe(2), and one Sn(1) atom to form OLi3Fe2Sn octahedra that share  a cornercorner with one O(1)Li2Fe3Sn octahedra,  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(4)Li3Fe2Sn octahedra, edges with three equivalent O(1)Li2Fe3Sn octahedra, edges with three equivalent O(2)Li2Fe3Sn octahedra, edges with three equivalent O(5)Li4FeSn octahedra, and edges with three equivalent O(3)Li4Sn2 octahedra. The corner-sharing octahedral tilt angles range from 0-15°. In the fifth O site, O(5) is bonded to one Li(2), one Li(3), two equivalent Li(1), one Fe(2), and one Sn(1) atom to form OLi4FeSn octahedra that share  a cornercorner with one O(2)Li2Fe3Sn octahedra,  a cornercorner with one O(4)Li3Fe2Sn octahedra,  a cornercorner with one O(5)Li4FeSn octahedra,  a cornercorner with one O(3)Li4Sn2 octahedra, corners with two equivalent O(1)Li2Fe3Sn octahedra,  an edgeedge with one O(5)Li4FeSn octahedra, edges with two equivalent O(1)Li2Fe3Sn octahedra, edges with two equivalent O(2)Li2Fe3Sn octahedra, edges with three equivalent O(4)Li3Fe2Sn octahedra, and edges with four equivalent O(3)Li4Sn2 octahedra. The corner-sharing octahedral tilt angles range from 0-9°. is represented by the Crystallographic Information File (CIF) [CIF]
data_Li5Fe3(SnO5)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.231
_cell_length_b   5.355
_cell_length_c   8.064
_cell_angle_alpha   72.309
_cell_angle_beta   71.938
_cell_angle_gamma   80.316
_symmetry_Int_Tables_number   1
_cell_volume   203.910
_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  0.505  0.768  0.408  1.0
  Li  Li1  1  0.507  0.592  0.792  1.0
  Li  Li2  1  0.000  0.500  0.500  1.0
  Li  Li3  1  0.493  0.408  0.208  1.0
  Li  Li4  1  0.495  0.232  0.592  1.0
  Fe  Fe5  1  0.500  0.000  0.000  1.0
  Fe  Fe6  1  0.003  0.308  0.894  1.0
  Fe  Fe7  1  0.997  0.692  0.106  1.0
  Sn  Sn8  1  0.010  0.897  0.698  1.0
  Sn  Sn9  1  0.990  0.103  0.302  1.0
  O  O10  1  0.246  0.940  0.859  1.0
  O  O11  1  0.745  0.678  0.939  1.0
  O  O12  1  0.770  0.857  0.540  1.0
  O  O13  1  0.261  0.782  0.232  1.0
  O  O14  1  0.238  0.554  0.662  1.0
  O  O15  1  0.762  0.446  0.338  1.0
  O  O16  1  0.739  0.218  0.768  1.0
  O  O17  1  0.230  0.143  0.460  1.0
  O  O18  1  0.255  0.322  0.061  1.0
  O  O19  1  0.754  0.060  0.141  1.0
[/CIF]
.