data_[K2N8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.6609]
_cell_length_b [5.2433]
_cell_length_c [4.3704]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5678]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KN4]
_chemical_formula_sum '[K2 N8]'
_cell_volume [187.0027]
_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
[
  K  K0  2  0.0000  0.0000  0.0000  1.0
  N  N1  4  0.1417  0.5000  0.3714  1.0
  N  N2  4  0.2494  0.5000  0.2748  1.0
]