data_[Pm2Pr2Te4Br2]
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
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [P4/nmm]
_cell_length_a [4.5019]
_cell_length_b [4.5019]
_cell_length_c [15.2790]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [129]
_chemical_formula_structural [PmPrTe2Br]
_chemical_formula_sum '[Pm2 Pr2 Te4 Br2]'
_cell_volume [309.6671]
_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  2  0.0000  0.5000  0.3581  1
  Pm  Pm1  2  0.0000  0.5000  0.9139  1
  Te  Te2  2  0.0000  0.5000  0.1230  1
  Te  Te3  2  0.0000  0.5000  0.7045  1
  Br  Br4  2  0.0000  0.0000  0.5000  1
]