data_[Rb4Na4Ru4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Rb  0.8200  2.3500  1.6600
  Na  0.9300  1.8000  1.1600
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.5858]
_cell_length_b [3.9009]
_cell_length_c [7.4699]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.9096]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [RbNaRuO3]
_chemical_formula_sum '[Rb4 Na4 Ru4 O12]'
_cell_volume [382.5502]
_cell_formula_units_Z [4]
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
[
  Rb  Rb0  4  0.1467  0.5000  0.0749  1.0
  Na  Na1  4  0.1700  0.5000  0.5761  1.0
  Ru  Ru2  4  0.0010  0.0000  0.3432  1.0
  O  O3  4  0.0011  0.5000  0.3212  1.0
  O  O4  4  0.1398  0.0000  0.7783  1.0
  O  O5  4  0.1432  0.0000  0.3596  1.0
]