data_[Sm8C4Cl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  C  2.5500  0.7000  0.3000
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.8289]
_cell_length_b [7.7227]
_cell_length_c [17.4501]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Sm4C2Cl5]
_chemical_formula_sum '[Sm8 C4 Cl10]'
_cell_volume [515.9958]
_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
[
  Sm  Sm0  4  0.0000  0.0000  0.3330  1.0
  Sm  Sm1  4  0.0000  0.2899  0.0000  1.0
  C  C2  4  0.0000  0.0000  0.4595  1.0
  Cl  Cl3  8  0.0000  0.2312  0.1661  1.0
  Cl  Cl4  2  0.0000  0.5000  0.5000  1.0
]