data_[Sm2Tm16Pb4]
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 [C2/m]
_cell_length_a [8.6933]
_cell_length_b [15.0477]
_cell_length_c [5.6903]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.5747]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Sm(Tm4Pb)2]
_chemical_formula_sum '[Sm2 Tm16 Pb4]'
_cell_volume [671.4382]
_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  2  0.0000  0.0000  0.5000  1
  Tm  Tm1  8  0.2098  0.1123  0.1237  1
  Tm  Tm2  4  0.0000  0.2181  0.5000  1
  Tm  Tm3  4  0.0910  0.5000  0.2977  1
  Pb  Pb4  4  0.0000  0.3048  0.0000  1
]