data_[Nb1P2H2O6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nb  1.6000  1.4500  0.8200
  P  2.1900  1.0000  0.5500
  H  2.2000  0.2500  0.0000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P-3m1]
_cell_length_a [5.4474]
_cell_length_b [5.4474]
_cell_length_c [6.0252]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [164]
_chemical_formula_structural [NbP2(HO3)2]
_chemical_formula_sum '[Nb1 P2 H2 O6]'
_cell_volume [154.8388]
_cell_formula_units_Z [1]
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
[
  Nb  Nb0  1  0.0000  0.0000  0.0000  1.0
  P  P1  2  0.3333  0.6667  0.7316  1.0
  H  H2  2  0.3333  0.6667  0.4986  1.0
  O  O3  6  0.1773  0.3545  0.8026  1.0
]