data_[As4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pc]
_cell_length_a [4.8709]
_cell_length_b [5.1033]
_cell_length_c [8.7137]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.4373]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [7]
_chemical_formula_structural [AsO2]
_chemical_formula_sum '[As4 O8]'
_cell_volume [188.6384]
_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
[
  As  As0  2  0.3033  0.3175  0.4424  1.0
  As  As1  2  0.7049  0.1011  0.8561  1.0
  O  O2  2  0.0882  0.0120  0.4497  1.0
  O  O3  2  0.4506  0.1711  0.3045  1.0
  O  O4  2  0.6478  0.2206  0.6522  1.0
  O  O5  2  0.6829  0.3338  0.9840  1.0
]