data_[Rb2Pr1Er1Te4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  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 [P2/m]
_cell_length_a [7.9544]
_cell_length_b [4.5886]
_cell_length_c [8.9660]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.1694]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [Rb2PrErTe4]
_chemical_formula_sum '[Rb2 Pr1 Er1 Te4]'
_cell_volume [312.6730]
_cell_formula_units_Z [1]
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
[
  Rb  Rb0  1  0.0000  0.5000  0.5000  1.0
  Rb  Rb1  1  0.5000  0.0000  0.5000  1.0
  Pr  Pr2  1  0.5000  0.5000  0.0000  1.0
  Er  Er3  1  0.0000  0.0000  0.0000  1.0
  Te  Te4  2  0.2234  0.5000  0.1994  1.0
  Te  Te5  2  0.2553  0.0000  0.7959  1.0
]