data_[Zr4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Zr  1.3300  1.5500  0.8600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [18.9767]
_cell_length_b [6.3837]
_cell_length_c [6.0726]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [ZrO2]
_chemical_formula_sum '[Zr4 O8]'
_cell_volume [735.6389]
_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
[
  Zr  Zr0  4  0.0496  0.1613  0.3234  1
  O  O1  4  0.0180  0.6440  0.8438  1
  O  O2  4  0.1048  0.1771  0.0432  1
]