data_[Pm4Pa2As2O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pa  1.5000  1.8000  1.0400
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.0487]
_cell_length_b [7.2840]
_cell_length_c [6.8114]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pm2PaAsO8]
_chemical_formula_sum '[Pm4 Pa2 As2 O16]'
_cell_volume [349.7128]
_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  4  0.0000  0.5000  0.2347  1
  Pa  Pa1  2  0.0000  0.0000  0.5000  1
  As  As2  2  0.0000  0.0000  0.0000  1
  O  O3  8  0.0000  0.1736  0.2200  1
  O  O4  4  0.2026  0.5000  0.5000  1
  O  O5  4  0.2425  0.5000  0.0000  1
]