data_[Pm8Pr6Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.6707]
_cell_length_b [12.6737]
_cell_length_c [8.9544]
_cell_angle_alpha [90.0000]
_cell_angle_beta [134.9464]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm4Pr3Te8]
_chemical_formula_sum '[Pm8 Pr6 Te16]'
_cell_volume [1017.7232]
_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
[
  Pm  Pm0  4  0.2500  0.2500  0.0000  1
  Pr  Pr1  4  0.2500  0.2500  0.5000  1
  Pm  Pm2  2  0.0000  0.0000  0.0000  1
  Pm  Pm3  2  0.0000  0.0000  0.5000  1
  Pr  Pr4  2  0.0000  0.5000  0.5000  1
  Te  Te5  4  0.0000  0.2484  0.5000  1
  Te  Te6  4  0.0000  0.2544  0.0000  1
  Te  Te7  4  0.2470  0.5000  0.0032  1
  Te  Te8  4  0.2473  0.5000  0.4914  1
]