data_[K8Na8C8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  C  2.5500  0.7000  0.3000
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Ibca]
_cell_length_a [5.8187]
_cell_length_b [5.8229]
_cell_length_c [18.8968]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [73]
_chemical_formula_structural [KNaCO3]
_chemical_formula_sum '[K8 Na8 C8 O24]'
_cell_volume [640.2604]
_cell_formula_units_Z [8]
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  0.0000  0.2500  0.4288  1
  Na  Na1  8  0.1055  0.0000  0.7500  1
  C  C2  8  0.0000  0.2500  0.1343  1
  O  O3  16  0.1626  0.1476  0.1699  1
  O  O4  8  0.0000  0.2500  0.0661  1
]