data_[Sm12As6S4I2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  As  2.1800  1.1500  0.6600
  S  2.5800  1.0000  0.8800
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.2916]
_cell_length_b [4.1840]
_cell_length_c [8.4274]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.1465]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm6As3S2I]
_chemical_formula_sum '[Sm12 As6 S4 I2]'
_cell_volume [628.0574]
_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  0.0045  0.0000  0.2822  1.0
  Sm  Sm1  4  0.1682  0.5000  0.5855  1.0
  Sm  Sm2  4  0.1802  0.5000  0.0936  1.0
  As  As3  4  0.1599  0.0000  0.8343  1.0
  As  As4  2  0.0000  0.5000  0.5000  1.0
  S  S5  4  0.1682  0.0000  0.3344  1.0
  I  I6  2  0.0000  0.5000  0.0000  1.0
]