data_[Sm12Zn2Ni4Br6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Zn  1.6500  1.3500  0.8800
  Ni  1.9100  1.3500  0.7400
  Br  2.9600  1.1500  0.8825
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.2007]
_cell_length_b [3.9975]
_cell_length_c [8.9765]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.9234]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm6ZnNi2Br3]
_chemical_formula_sum '[Sm12 Zn2 Ni4 Br6]'
_cell_volume [647.7597]
_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  0.0140  0.0000  0.2485  1.0
  Sm  Sm1  4  0.1609  0.5000  0.1180  1.0
  Sm  Sm2  4  0.1809  0.5000  0.5537  1.0
  Zn  Zn3  2  0.0000  0.5000  0.0000  1.0
  Ni  Ni4  4  0.1657  0.0000  0.3331  1.0
  Br  Br5  4  0.1638  0.0000  0.8344  1.0
  Br  Br6  2  0.0000  0.5000  0.5000  1.0
]