data_[Y2Er2Sb2O4]
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
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I4mm]
_cell_length_a [3.8485]
_cell_length_b [3.8485]
_cell_length_c [13.3188]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [107]
_chemical_formula_structural [YErSbO2]
_chemical_formula_sum '[Y2 Er2 Sb2 O4]'
_cell_volume [197.2661]
_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  0.0000  0.1655  1.0
  Er  Er1  2  0.0000  0.0000  0.8326  1.0
  Sb  Sb2  2  0.0000  0.0000  0.4991  1.0
  O  O3  4  0.0000  0.5000  0.2514  1.0
]