data_[Pr4Sn2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [16.7294]
_cell_length_b [4.5523]
_cell_length_c [7.9995]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.5121]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pr2SnTe4]
_chemical_formula_sum '[Pr4 Sn2 Te8]'
_cell_volume [545.1504]
_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
[
  Pr  Pr0  4  0.2319  0.5000  0.7207  1.0
  Sn  Sn1  2  0.0000  0.0000  0.0000  1.0
  Te  Te2  4  0.1220  0.0000  0.4416  1.0
  Te  Te3  4  0.1359  0.5000  0.9897  1.0
]