data_[Co6Cu3Ru3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Co  1.8800  1.3500  0.7683
  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 [R3]
_cell_length_a [4.9756]
_cell_length_b [4.9756]
_cell_length_c [13.4529]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Co2CuRuO6]
_chemical_formula_sum '[Co6 Cu3 Ru3 O18]'
_cell_volume [288.4276]
_cell_formula_units_Z [3]
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
[
  Co  Co0  3  0.0000  0.0000  0.0121  1
  Co  Co1  3  0.0000  0.0000  0.5161  1
  Cu  Cu2  3  0.0000  0.0000  0.8101  1
  Ru  Ru3  3  0.0000  0.0000  0.3168  1
  O  O4  9  0.0322  0.3533  0.5854  1
  O  O5  9  0.0439  0.6893  0.0835  1
]