data_[Ba2Cu4Ru4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Cu  1.9000  1.3500  0.8200
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.8549]
_cell_length_b [4.0266]
_cell_length_c [18.7350]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [BaCu2Ru2O7]
_chemical_formula_sum '[Ba2 Cu4 Ru4 O14]'
_cell_volume [290.8095]
_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
[
  Ba  Ba0  2  0.0000  0.0000  0.0000  1
  Cu  Cu1  4  0.0000  0.5000  0.2697  1
  Ru  Ru2  4  0.0000  0.0000  0.3884  1
  O  O3  4  0.0000  0.0000  0.2776  1
  O  O4  4  0.0000  0.5000  0.1100  1
  O  O5  4  0.0000  0.5000  0.3810  1
  O  O6  2  0.0000  0.0000  0.5000  1
]