data_[Sm8P2Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  P  2.1900  1.0000  0.5500
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [6.8089]
_cell_length_b [6.5963]
_cell_length_c [9.8928]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.9193]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Sm4PPb2]
_chemical_formula_sum '[Sm8 P2 Pb4]'
_cell_volume [420.3150]
_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  0.2389  0.5003  0.7481  1
  Sm  Sm1  2  0.1898  0.2500  0.1286  1
  Sm  Sm2  2  0.3344  0.7500  0.4189  1
  P  P3  2  0.0204  0.7500  0.1592  1
  Pb  Pb4  2  0.1629  0.2500  0.4510  1
  Pb  Pb5  2  0.3551  0.7500  0.0535  1
]