data_[Sm8Si2Cl10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Si  1.9000  1.1000  0.5400
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.9509]
_cell_length_b [4.0349]
_cell_length_c [8.2770]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1970]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm4SiCl5]
_chemical_formula_sum '[Sm8 Si2 Cl10]'
_cell_volume [581.1903]
_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  0.0003  0.0000  0.2322  1
  Sm  Sm1  4  0.1553  0.5000  0.0907  1
  Si  Si2  2  0.0000  0.5000  0.0000  1
  Cl  Cl3  4  0.1661  0.0000  0.3288  1
  Cl  Cl4  4  0.1712  0.0000  0.8557  1
  Cl  Cl5  2  0.0000  0.5000  0.5000  1
]