data_[Sr4Tl12Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [10.0131]
_cell_length_b [4.7808]
_cell_length_c [12.4450]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [SrTl3Ag]
_chemical_formula_sum '[Sr4 Tl12 Ag4]'
_cell_volume [595.7541]
_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  0.2020  0.2500  0.0021  1.0
  Tl  Tl1  4  0.0694  0.2500  0.4012  1.0
  Tl  Tl2  4  0.1098  0.7500  0.1970  1.0
  Tl  Tl3  4  0.1319  0.7500  0.8017  1.0
  Ag  Ag4  4  0.1071  0.2500  0.6390  1.0
]