data_[P8W4O28]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  P  2.1900  1.0000  0.5500
  W  2.3600  1.3500  0.7667
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [7.0011]
_cell_length_b [9.0856]
_cell_length_c [9.7755]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.0054]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [P2WO7]
_chemical_formula_sum '[P8 W4 O28]'
_cell_volume [587.9132]
_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  4  0.0970  0.2462  0.7507  1
  P  P1  4  0.4729  0.2133  0.0306  1
  W  W2  4  0.3003  0.5724  0.6993  1
  O  O3  4  0.1059  0.7343  0.7204  1
  O  O4  4  0.1143  0.0844  0.2167  1
  O  O5  4  0.1445  0.1429  0.6511  1
  O  O6  4  0.2593  0.2290  0.9160  1
  O  O7  4  0.3675  0.6866  0.5460  1
  O  O8  4  0.4707  0.0930  0.1374  1
  O  O9  4  0.4767  0.6342  0.8937  1
]