data_[Cs2Pm2Cu2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  Pm  1.1300  1.8500  1.1100
  Cu  1.9000  1.3500  0.8200
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [5.7272]
_cell_length_b [5.6647]
_cell_length_c [8.1810]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.6521]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [CsPmCuO4]
_chemical_formula_sum '[Cs2 Pm2 Cu2 O8]'
_cell_volume [264.5409]
_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
[
  Cs  Cs0  2  0.2660  0.7500  0.8962  1
  Pm  Pm1  2  0.2935  0.2500  0.5344  1
  Cu  Cu2  2  0.1867  0.7500  0.3209  1
  O  O3  4  0.4064  0.5086  0.3258  1
  O  O4  2  0.0965  0.2500  0.7884  1
  O  O5  2  0.1185  0.7500  0.5433  1
]