data_[K2As2Cl2O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  As  2.1800  1.1500  0.6600
  Cl  3.1600  1.0000  0.7800
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [7.9193]
_cell_length_b [4.1154]
_cell_length_c [7.9423]
_cell_angle_alpha [90.0000]
_cell_angle_beta [118.1956]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [KAsClO2]
_chemical_formula_sum '[K2 As2 Cl2 O4]'
_cell_volume [228.1330]
_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  0.2751  0.2500  0.0009  1
  As  As1  2  0.3868  0.2500  0.5572  1
  Cl  Cl2  2  0.0424  0.2500  0.2533  1
  O  O3  2  0.4246  0.7500  0.5216  1
  O  O4  2  0.4774  0.2500  0.7981  1
]