data_[Sr4Te4Se16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Te  2.1000  1.4000  1.2933
  Se  2.5500  1.1500  1.0133
]
_symmetry_space_group_name_H-M [F-43m]
_cell_length_a [8.4013]
_cell_length_b [8.4013]
_cell_length_c [8.4013]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [216]
_chemical_formula_structural [SrTeSe4]
_chemical_formula_sum '[Sr4 Te4 Se16]'
_cell_volume [592.9807]
_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  0.2500  0.2500  0.2500  1
  Te  Te1  4  0.0000  0.0000  0.0000  1
  Se  Se2  16  0.1249  0.1249  0.6249  1
]