data_[La4Cu4O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pbam]
_cell_length_a [5.4857]
_cell_length_b [10.5442]
_cell_length_c [3.9254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [55]
_chemical_formula_structural [La2Cu2O5]
_chemical_formula_sum '[La4 Cu4 O10]'
_cell_volume [227.0536]
_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
[
  La  La0  4  0.1941  0.8630  0.5000  1.0
  Cu  Cu1  4  0.2038  0.6050  0.0000  1.0
  O  O2  4  0.0831  0.2907  0.0000  1.0
  O  O3  4  0.2142  0.6041  0.5000  1.0
  O  O4  2  0.0000  0.0000  0.0000  1.0
]