data_[K8Ru8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Ru  2.2000  1.3000  0.6610
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [9.4110]
_cell_length_b [4.1851]
_cell_length_c [12.4985]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [KRu]
_chemical_formula_sum '[K8 Ru8]'
_cell_volume [492.2706]
_cell_formula_units_Z [8]
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  4  0.0888  0.7500  0.1214  1
  K  K1  4  0.2357  0.2500  0.3362  1
  Ru  Ru2  4  0.0407  0.2500  0.6016  1
  Ru  Ru3  4  0.1295  0.7500  0.5386  1
]