data_[Ba2Gd1Cu3O7]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Gd  1.2000  1.8000  1.0750
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [3.8660]
_cell_length_b [3.9300]
_cell_length_c [11.8380]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [Ba2GdCu3O7]
_chemical_formula_sum '[Ba2 Gd1 Cu3 O7]'
_cell_volume [179.8615]
_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
[
  Ba  Ba0  2  0.5000  0.5000  0.1807  1.0
  Gd  Gd1  1  0.5000  0.5000  0.5000  1.0
  Cu  Cu2  2  0.0000  0.0000  0.3516  1.0
  Cu  Cu3  1  0.0000  0.0000  0.0000  1.0
  O  O4  2  0.0000  0.0000  0.1590  1.0
  O  O5  2  0.0000  0.5000  0.3765  1.0
  O  O6  2  0.5000  0.0000  0.3759  1.0
  O  O7  1  0.0000  0.5000  0.0000  1.0
]