data_[Gd12Sb4O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Sb  2.0500  1.4500  0.8300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [7.4726]
_cell_length_b [10.5905]
_cell_length_c [7.5306]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Gd3SbO7]
_chemical_formula_sum '[Gd12 Sb4 O28]'
_cell_volume [595.9668]
_cell_formula_units_Z [4]
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
[
  Gd  Gd0  8  0.2341  0.2336  0.2500  1
  Gd  Gd1  4  0.0000  0.5000  0.0000  1
  Sb  Sb2  4  0.0000  0.0000  0.0000  1
  O  O3  16  0.1965  0.1242  0.5300  1
  O  O4  4  0.0000  0.0685  0.2500  1
  O  O5  4  0.0000  0.3641  0.2500  1
  O  O6  4  0.0000  0.3701  0.7500  1
]