data_[K4Zn4O6]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/c]
_cell_length_a [5.8841]
_cell_length_b [6.2515]
_cell_length_c [6.2953]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.5758]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [14]
_chemical_formula_structural [K2Zn2O3]
_chemical_formula_sum '[K4 Zn4 O6]'
_cell_volume [210.5938]
_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  4  0.3139  0.1364  0.5725  1
  Zn  Zn1  4  0.1689  0.6147  0.4286  1
  O  O2  4  0.0905  0.6352  0.7117  1
  O  O3  2  0.5000  0.0000  0.0000  1
]