data_[La4Pm6Pb4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  Pm  1.1300  1.8500  1.1100
  Pb  2.3300  1.8000  1.1225
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.2625]
_cell_length_b [5.0426]
_cell_length_c [7.5840]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.2927]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [La2Pm3Pb2]
_chemical_formula_sum '[La4 Pm6 Pb4]'
_cell_volume [467.6402]
_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
[
  La  La0  4  0.0844  0.5000  0.6892  1
  Pm  Pm1  4  0.2081  0.5000  0.1618  1
  Pm  Pm2  2  0.0000  0.0000  0.0000  1
  Pb  Pb3  4  0.1280  0.0000  0.4096  1
]