data_[Y2Er2Al4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [7.4259]
_cell_length_b [5.2000]
_cell_length_c [5.3825]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [YErAl2O6]
_chemical_formula_sum '[Y2 Er2 Al4 O12]'
_cell_volume [207.8459]
_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
[
  Y  Y0  2  0.0000  0.2637  0.5560  1.0
  Er  Er1  2  0.5000  0.2361  0.4409  1.0
  Al  Al2  4  0.2516  0.2508  0.9997  1.0
  O  O3  4  0.2052  0.4536  0.2960  1.0
  O  O4  4  0.2991  0.0459  0.7041  1.0
  O  O5  2  0.0000  0.1634  0.9768  1.0
  O  O6  2  0.5000  0.3424  0.0267  1.0
]