data_[K2P2Ru2O2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  P  2.1900  1.0000  0.5500
  Ru  2.2000  1.3000  0.6610
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [3.5227]
_cell_length_b [7.7446]
_cell_length_c [6.4064]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [KPRuO]
_chemical_formula_sum '[K2 P2 Ru2 O2]'
_cell_volume [174.7766]
_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  0.3134  0.9519  1
  P  P1  2  0.0000  0.2626  0.4467  1
  Ru  Ru2  2  0.5000  0.1004  0.5245  1
  O  O3  2  0.5000  0.0950  0.8310  1
]