data_[K8P4N4O8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [11.3776]
_cell_length_b [6.4647]
_cell_length_c [5.3866]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [K2PNO2]
_chemical_formula_sum '[K8 P4 N4 O8]'
_cell_volume [396.2004]
_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
[
  K  K0  8  0.1513  0.1960  0.2500  1.0
  P  P1  4  0.0000  0.3599  0.7500  1.0
  N  N2  4  0.0000  0.5000  0.0000  1.0
  O  O3  8  0.1125  0.2191  0.7500  1.0
]