data_[Ru2Se2Cl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ru  2.2000  1.3000  0.6610
  Se  2.5500  1.1500  1.0133
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmm2]
_cell_length_a [3.2820]
_cell_length_b [7.1237]
_cell_length_c [8.9364]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [35]
_chemical_formula_structural [RuSeCl2]
_chemical_formula_sum '[Ru2 Se2 Cl4]'
_cell_volume [208.9332]
_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
[
  Ru  Ru0  2  0.0000  0.0000  0.4767  1
  Se  Se1  2  0.0000  0.5000  0.2952  1
  Cl  Cl2  2  0.0000  0.0000  0.0501  1
  Cl  Cl3  2  0.0000  0.5000  0.6781  1
]