data_[Pr4Er2Te4As4]
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
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [I4/mmm]
_cell_length_a [5.2891]
_cell_length_b [5.2891]
_cell_length_c [15.9256]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [139]
_chemical_formula_structural [Pr2Er(TeAs)2]
_chemical_formula_sum '[Pr4 Er2 Te4 As4]'
_cell_volume [445.5136]
_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  0.0000  0.0000  0.3852  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Te  Te2  4  0.0000  0.0000  0.1896  1
  As  As3  4  0.0000  0.5000  0.0000  1
]