data_[Pm2Tm14Pb8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  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 [12.8030]
_cell_length_b [5.6735]
_cell_length_c [11.4726]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.8894]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmTm7Pb4]
_chemical_formula_sum '[Pm2 Tm14 Pb8]'
_cell_volume [722.5030]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.0000  1
  Tm  Tm1  4  0.0384  0.0000  0.3762  1
  Tm  Tm2  4  0.1550  0.5000  0.5687  1
  Tm  Tm3  4  0.2160  0.0000  0.8981  1
  Tm  Tm4  2  0.0000  0.5000  0.0000  1
  Pb  Pb5  4  0.0923  0.5000  0.7892  1
  Pb  Pb6  4  0.2074  0.5000  0.3215  1
]