data_[Rb2Er2Al2Te8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.5872]
_cell_length_b [6.6406]
_cell_length_c [10.3887]
_cell_angle_alpha [90.0000]
_cell_angle_beta [107.0828]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [RbErAlTe4]
_chemical_formula_sum '[Rb2 Er2 Al2 Te8]'
_cell_volume [500.3313]
_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
[
  Rb  Rb0  2  0.2431  0.2500  0.0525  1.0
  Er  Er1  2  0.2534  0.2500  0.5529  1.0
  Al  Al2  2  0.2578  0.7500  0.3333  1.0
  Te  Te3  4  0.0191  0.5102  0.7029  1.0
  Te  Te4  2  0.4358  0.7500  0.5871  1.0
  Te  Te5  2  0.4490  0.7500  0.1679  1.0
]