data_[Ru4Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ru  2.2000  1.3000  0.6610
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.7032]
_cell_length_b [3.5136]
_cell_length_c [8.4131]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [RuCl]
_chemical_formula_sum '[Ru4 Cl4]'
_cell_volume [198.1494]
_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
[
  Ru  Ru0  4  0.0451  0.7500  0.4207  1
  Cl  Cl1  4  0.2147  0.7500  0.8421  1
]