data_[Sr8Sn4Sb4Se20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Sn  1.9600  1.4500  0.8300
  Sb  2.0500  1.4500  0.8300
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.3021]
_cell_length_b [18.6610]
_cell_length_c [13.0935]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2SnSbSe5]
_chemical_formula_sum '[Sr8 Sn4 Sb4 Se20]'
_cell_volume [1051.1763]
_cell_formula_units_Z [4]
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  4  0.0000  0.1100  0.6786  1.0
  Sr  Sr1  4  0.0000  0.1298  0.3074  1.0
  Sn  Sn2  4  0.0000  0.4432  0.4492  1.0
  Sb  Sb3  4  0.0000  0.2195  0.0224  1.0
  Se  Se4  4  0.0000  0.0487  0.0768  1.0
  Se  Se5  4  0.0000  0.2775  0.6683  1.0
  Se  Se6  4  0.0000  0.3092  0.3620  1.0
  Se  Se7  4  0.0000  0.3617  0.9966  1.0
  Se  Se8  4  0.0000  0.4938  0.7628  1.0
]