data_[Sr2Si2Sn2S8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Si  1.9000  1.1000  0.5400
  Sn  1.9600  1.4500  0.8300
  S  2.5800  1.0000  0.8800
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.6556]
_cell_length_b [6.5493]
_cell_length_c [8.3669]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.4967]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [SrSiSnS4]
_chemical_formula_sum '[Sr2 Si2 Sn2 S8]'
_cell_volume [347.8354]
_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
[
  Sr  Sr0  2  0.2310  0.7500  0.5481  1.0
  Si  Si1  2  0.2228  0.2500  0.2874  1.0
  Sn  Sn2  2  0.2323  0.7500  0.0522  1.0
  S  S3  4  0.0025  0.5004  0.2231  1.0
  S  S4  2  0.3633  0.2500  0.5501  1.0
  S  S5  2  0.4226  0.2500  0.1349  1.0
]