data_[K4As4O12]
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
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [4.6562]
_cell_length_b [6.1088]
_cell_length_c [13.4870]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [KAsO3]
_chemical_formula_sum '[K4 As4 O12]'
_cell_volume [383.6243]
_cell_formula_units_Z [4]
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  0.2217  0.7500  0.5878  1.0
  As  As1  4  0.1723  0.2500  0.8314  1.0
  O  O2  8  0.2322  0.0136  0.8904  1.0
  O  O3  4  0.2046  0.7500  0.2040  1.0
]