data_[Sm2H4Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  H  2.2000  0.2500  0.0000
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.5623]
_cell_length_b [14.4595]
_cell_length_c [3.7444]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Sm(HCl2)2]
_chemical_formula_sum '[Sm2 H4 Cl8]'
_cell_volume [301.1592]
_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  2  0.0000  0.5000  0.0000  1
  H  H1  4  0.0000  0.1053  0.5000  1
  Cl  Cl2  4  0.0000  0.1075  0.0000  1
  Cl  Cl3  4  0.0000  0.3686  0.5000  1
]