data_[K3Zn3N9O18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Zn  1.6500  1.3500  0.8800
  N  3.0400  0.6500  0.6300
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [R3]
_cell_length_a [7.5165]
_cell_length_b [7.5165]
_cell_length_c [8.7332]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [146]
_chemical_formula_structural [KZn(NO2)3]
_chemical_formula_sum '[K3 Zn3 N9 O18]'
_cell_volume [427.3007]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.6482  1
  Zn  Zn1  3  0.0000  0.0000  0.1061  1
  N  N2  9  0.1990  0.4004  0.9458  1
  O  O3  9  0.0261  0.2339  0.9364  1
  O  O4  9  0.0971  0.6857  0.0523  1
]