data_[Ca6Ag3Ru3O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ca  1.0000  1.8000  1.1400
  Ag  1.9300  1.6000  1.0867
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [5.6808]
_cell_length_b [5.6808]
_cell_length_c [14.3925]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [Ca2AgRuO6]
_chemical_formula_sum '[Ca6 Ag3 Ru3 O18]'
_cell_volume [402.2402]
_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
[
  Ca  Ca0  3  0.0000  0.0000  0.4669  1
  Ca  Ca1  3  0.0000  0.0000  0.9704  1
  Ag  Ag2  3  0.0000  0.0000  0.1978  1
  Ru  Ru3  3  0.0000  0.0000  0.6825  1
  O  O4  9  0.0212  0.4061  0.4140  1
  O  O5  9  0.0764  0.6875  0.2598  1
]