data_[K2Na2Ru4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  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 [10.8059]
_cell_length_b [6.0434]
_cell_length_c [6.9220]
_cell_angle_alpha [90.0000]
_cell_angle_beta [111.0077]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KNa(RuO4)2]
_chemical_formula_sum '[K2 Na2 Ru4 O16]'
_cell_volume [421.9899]
_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
[
  K  K0  2  0.0000  0.5000  0.5000  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Ru  Ru2  4  0.2093  0.5000  0.1752  1.0
  O  O3  8  0.1447  0.2652  0.2550  1.0
  O  O4  4  0.1172  0.0000  0.7312  1.0
  O  O5  4  0.1531  0.5000  0.9047  1.0
]