data_[Pm2Mo4O16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mo  2.1600  1.4500  0.7750
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [I422]
_cell_length_a [4.8721]
_cell_length_b [4.8721]
_cell_length_c [11.4371]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [97]
_chemical_formula_structural [Pm(MoO4)2]
_chemical_formula_sum '[Pm2 Mo4 O16]'
_cell_volume [271.4843]
_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  2  0.0000  0.0000  0.5000  1
  Mo  Mo1  4  0.0000  0.5000  0.2500  1
  O  O2  16  0.2329  0.2655  0.3529  1
]