data_[Sm6Tm2Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sm  1.1700  1.8500  1.2290
  Tm  1.2500  1.7500  1.0950
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [Pmna]
_cell_length_a [11.2030]
_cell_length_b [6.4855]
_cell_length_c [6.4879]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [53]
_chemical_formula_structural [Sm3TmPb4]
_chemical_formula_sum '[Sm6 Tm2 Pb8]'
_cell_volume [471.3953]
_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  0.2500  0.2519  0.7500  1
  Sm  Sm1  2  0.0000  0.0000  0.0000  1
  Tm  Tm2  2  0.0000  0.5000  0.5000  1
  Pb  Pb3  4  0.2500  0.2489  0.2500  1
  Pb  Pb4  2  0.0000  0.0000  0.5000  1
  Pb  Pb5  2  0.0000  0.5000  0.0000  1
]