The crystal structure described by Sr3Fe2Ag2S2O5 crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to four equivalent O(1) and eight equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with eight equivalent Fe(1)O5 square pyramids. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to four equivalent S(1) and four equivalent O(2) atoms. Fe(1) is bonded to one O(1) and four equivalent O(2) atoms to form FeO5 square pyramids that share corners with five equivalent Fe(1)O5 square pyramids and faces with four equivalent Sr(1)O12 cuboctahedra. Ag(1) is bonded in a 4-coordinate geometry to four equivalent S(1) atoms. S(1) is bonded in a 8-coordinate geometry to four equivalent Sr(2) and four equivalent Ag(1) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to four equivalent Sr(1) and two equivalent Fe(1) atoms. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Fe(1) atoms. is represented by the CIF file [CIF]
data_Sr3Fe2Ag2S2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.009
_cell_length_b   4.010
_cell_length_c   14.126
_cell_angle_alpha   81.853
_cell_angle_beta   81.853
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   222.480
_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
  Ag  Ag0  1  0.250  0.750  0.500  1.0
  Ag  Ag1  1  0.750  0.250  0.500  1.0
  Fe  Fe2  1  0.069  0.069  0.862  1.0
  Fe  Fe3  1  0.931  0.931  0.138  1.0
  O  O4  1  0.000  0.000  1.000  1.0
  O  O5  1  0.078  0.578  0.844  1.0
  O  O6  1  0.922  0.422  0.156  1.0
  O  O7  1  0.578  0.078  0.844  1.0
  O  O8  1  0.422  0.922  0.156  1.0
  S  S9  1  0.185  0.185  0.630  1.0
  S  S10  1  0.815  0.815  0.370  1.0
  Sr  Sr11  1  0.500  0.500  0.000  1.0
  Sr  Sr12  1  0.365  0.365  0.270  1.0
  Sr  Sr13  1  0.635  0.635  0.730  1.0
[/CIF]
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The crystal structure described by Sr3Fe2Ag2S2O5 crystallizes in the tetragonal I4/mmm space group. There are two inequivalent Sr sites. In the first Sr site, Sr(1) is bonded to four equivalent O(1) and eight equivalent O(2) atoms to form SrO12 cuboctahedra that share corners with four equivalent Sr(1)O12 cuboctahedra, faces with four equivalent Sr(1)O12 cuboctahedra, and faces with eight equivalent Fe(1)O5 square pyramids. In the second Sr site, Sr(2) is bonded in a 8-coordinate geometry to four equivalent S(1) and four equivalent O(2) atoms. Fe(1) is bonded to one O(1) and four equivalent O(2) atoms to form FeO5 square pyramids that share corners with five equivalent Fe(1)O5 square pyramids and faces with four equivalent Sr(1)O12 cuboctahedra. Ag(1) is bonded in a 4-coordinate geometry to four equivalent S(1) atoms. S(1) is bonded in a 8-coordinate geometry to four equivalent Sr(2) and four equivalent Ag(1) atoms. There are two inequivalent O sites. In the first O site, O(1) is bonded in a distorted linear geometry to four equivalent Sr(1) and two equivalent Fe(1) atoms. In the second O site, O(2) is bonded in a 6-coordinate geometry to two equivalent Sr(1), two equivalent Sr(2), and two equivalent Fe(1) atoms. is represented by the CIF file [CIF]
data_Sr3Fe2Ag2S2O5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.009
_cell_length_b   4.010
_cell_length_c   14.126
_cell_angle_alpha   81.853
_cell_angle_beta   81.853
_cell_angle_gamma   89.999
_symmetry_Int_Tables_number   1
_cell_volume   222.480
_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
  Ag  Ag0  1  0.250  0.750  0.500  1.0
  Ag  Ag1  1  0.750  0.250  0.500  1.0
  Fe  Fe2  1  0.069  0.069  0.862  1.0
  Fe  Fe3  1  0.931  0.931  0.138  1.0
  O  O4  1  0.000  0.000  1.000  1.0
  O  O5  1  0.078  0.578  0.844  1.0
  O  O6  1  0.922  0.422  0.156  1.0
  O  O7  1  0.578  0.078  0.844  1.0
  O  O8  1  0.422  0.922  0.156  1.0
  S  S9  1  0.185  0.185  0.630  1.0
  S  S10  1  0.815  0.815  0.370  1.0
  Sr  Sr11  1  0.500  0.500  0.000  1.0
  Sr  Sr12  1  0.365  0.365  0.270  1.0
  Sr  Sr13  1  0.635  0.635  0.730  1.0
[/CIF]
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