data_[Pm4Os4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Os  2.2000  1.3000  0.6730
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [9.1918]
_cell_length_b [6.5601]
_cell_length_c [7.6055]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.3621]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [PmOsO5]
_chemical_formula_sum '[Pm4 Os4 O20]'
_cell_volume [417.7698]
_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  0.0000  0.4527  0.2500  1
  Os  Os1  4  0.0000  0.0000  0.0000  1
  O  O2  8  0.0121  0.2902  0.9665  1
  O  O3  8  0.2149  0.0161  0.6104  1
  O  O4  4  0.0000  0.0818  0.2500  1
]