data_[Pm4Ir4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ir  2.2000  1.3500  0.7650
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.6978]
_cell_length_b [5.4810]
_cell_length_c [7.5263]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.8185]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [PmIrO4]
_chemical_formula_sum '[Pm4 Ir4 O16]'
_cell_volume [312.8952]
_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  0.3460  0.7190  0.6031  1
  Ir  Ir1  4  0.1591  0.2285  0.7973  1
  O  O2  4  0.0569  0.5873  0.1961  1
  O  O3  4  0.1641  0.1346  0.0520  1
  O  O4  4  0.3142  0.5038  0.8749  1
  O  O5  4  0.3837  0.0246  0.8256  1
]