data_[Sm12Sb2As4Pb6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Sb  2.0500  1.4500  0.8300
  As  2.1800  1.1500  0.6600
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.9432]
_cell_length_b [4.2090]
_cell_length_c [9.2861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.8310]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm6SbAs2Pb3]
_chemical_formula_sum '[Sm12 Sb2 As4 Pb6]'
_cell_volume [728.5345]
_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  0.0105  0.0000  0.2460  1
  Sm  Sm1  4  0.1653  0.5000  0.1035  1
  Sm  Sm2  4  0.1748  0.5000  0.5599  1
  Sb  Sb3  2  0.0000  0.5000  0.0000  1
  As  As4  4  0.1679  0.0000  0.3315  1
  Pb  Pb5  4  0.1627  0.0000  0.8249  1
  Pb  Pb6  2  0.0000  0.5000  0.5000  1
]