data_[Pm4B4Pb4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  B  2.0400  0.8500  0.4100
  Pb  2.3300  1.8000  1.1225
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.5736]
_cell_length_b [8.9957]
_cell_length_c [7.1058]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.7276]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [PmBPbO5]
_chemical_formula_sum '[Pm4 B4 Pb4 O20]'
_cell_volume [397.9498]
_cell_formula_units_Z [4]
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  4  0.0000  0.3645  0.2500  1
  B  B1  4  0.0000  0.3087  0.7500  1
  Pb  Pb2  4  0.0000  0.0000  0.0000  1
  O  O3  8  0.1262  0.2146  0.6524  1
  O  O4  8  0.1421  0.4128  0.9124  1
  O  O5  4  0.0000  0.1106  0.2500  1
]