data_[V8O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [11.9155]
_cell_length_b [4.6597]
_cell_length_c [5.2607]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.1571]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [V2O5]
_chemical_formula_sum '[V8 O20]'
_cell_volume [283.2126]
_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
[
  V  V0  8  0.1415  0.2402  0.7503  1
  O  O1  8  0.1075  0.4364  0.4762  1
  O  O2  8  0.2035  0.0749  0.1308  1
  O  O3  4  0.0000  0.1042  0.7500  1
]