data_[V8P4O20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  V  1.6300  1.3500  0.7775
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [7.7499]
_cell_length_b [7.7507]
_cell_length_c [7.3712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [121.6523]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [V2PO5]
_chemical_formula_sum '[V8 P4 O20]'
_cell_volume [376.9049]
_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  4  0.0000  0.0000  0.0000  1.0
  V  V1  4  0.2500  0.2500  0.5000  1.0
  P  P2  4  0.0000  0.3731  0.7500  1.0
  O  O3  8  0.0484  0.2543  0.6134  1.0
  O  O4  8  0.1862  0.4913  0.8816  1.0
  O  O5  4  0.0000  0.1152  0.2500  1.0
]