data_[P4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.5921]
_cell_length_b [6.5336]
_cell_length_c [5.5741]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0898]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [PO2]
_chemical_formula_sum '[P4 O8]'
_cell_volume [167.2421]
_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
[
  P  P0  2  0.2245  0.7500  0.7444  1.0
  P  P1  2  0.2783  0.2500  0.6077  1.0
  O  O2  4  0.2163  0.0576  0.7498  1.0
  O  O3  2  0.1138  0.2500  0.3527  1.0
  O  O4  2  0.3891  0.7500  0.4764  1.0
]