data_[Pr4Er8Te16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pr  1.1300  1.8500  1.0600
  Er  1.2400  1.7500  1.0300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [13.6270]
_cell_length_b [4.2764]
_cell_length_c [15.6526]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pr(ErTe2)2]
_chemical_formula_sum '[Pr4 Er8 Te16]'
_cell_volume [912.1591]
_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
[
  Pr  Pr0  4  0.2478  0.7500  0.3243  1
  Er  Er1  4  0.0507  0.7500  0.1143  1
  Er  Er2  4  0.0986  0.7500  0.5867  1
  Te  Te3  4  0.0455  0.2500  0.7134  1
  Te  Te4  4  0.1041  0.7500  0.9260  1
  Te  Te5  4  0.1255  0.2500  0.4495  1
  Te  Te6  4  0.1971  0.2500  0.1718  1
]