data_[Y2P2O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P6_3mc]
_cell_length_a [5.9288]
_cell_length_b [5.9288]
_cell_length_c [9.6773]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [186]
_chemical_formula_structural [YPO4]
_chemical_formula_sum '[Y2 P2 O8]'
_cell_volume [294.5930]
_cell_formula_units_Z [2]
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
[
  Y  Y0  2  0.3333  0.6667  0.0618  1
  P  P1  2  0.3333  0.6667  0.4370  1
  O  O2  6  0.0517  0.5259  0.4899  1
  O  O3  2  0.3333  0.6667  0.2785  1
]