data_[Sm12Ge4S6Br2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Ge  2.0100  1.2500  0.7700
  S  2.5800  1.0000  0.8800
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [17.9412]
_cell_length_b [4.1374]
_cell_length_c [8.3194]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.3322]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm6Ge2S3Br]
_chemical_formula_sum '[Sm12 Ge4 S6 Br2]'
_cell_volume [603.2954]
_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  0.0022  0.0000  0.2811  1.0
  Sm  Sm1  4  0.1666  0.5000  0.5840  1.0
  Sm  Sm2  4  0.1764  0.5000  0.0943  1.0
  Ge  Ge3  4  0.1658  0.0000  0.3310  1.0
  S  S4  4  0.1623  0.0000  0.8370  1.0
  S  S5  2  0.0000  0.5000  0.5000  1.0
  Br  Br6  2  0.0000  0.5000  0.0000  1.0
]