data_[Sm2Cl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [Pma2]
_cell_length_a [16.9680]
_cell_length_b [18.9926]
_cell_length_c [5.4815]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [28]
_chemical_formula_structural [SmCl3]
_chemical_formula_sum '[Sm2 Cl6]'
_cell_volume [1766.4898]
_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  0.1627  1
  Cl  Cl1  4  0.0888  0.3949  0.2351  1
  Cl  Cl2  2  0.0000  0.5000  0.6832  1
]