data_[Li8Pm4O10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Pm  1.1300  1.8500  1.1100
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [4.6515]
_cell_length_b [13.8354]
_cell_length_c [4.6142]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Li4Pm2O5]
_chemical_formula_sum '[Li8 Pm4 O10]'
_cell_volume [296.9491]
_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
[
  Li  Li0  4  0.0000  0.1881  0.0000  1
  Li  Li1  2  0.0000  0.0000  0.5000  1
  Li  Li2  2  0.0000  0.5000  0.0000  1
  Pm  Pm3  4  0.0000  0.3411  0.5000  1
  O  O4  4  0.0000  0.1600  0.5000  1
  O  O5  4  0.0000  0.3397  0.0000  1
  O  O6  2  0.0000  0.5000  0.5000  1
]