data_[K4Cu6As8O24]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Cu  1.9000  1.3500  0.8200
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.3363]
_cell_length_b [5.4013]
_cell_length_c [11.0859]
_cell_angle_alpha [90.0000]
_cell_angle_beta [110.6692]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Cu3(AsO3)4]
_chemical_formula_sum '[K4 Cu6 As8 O24]'
_cell_volume [579.0888]
_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  0.1388  0.5000  0.4220  1
  Cu  Cu1  4  0.2373  0.0000  0.2424  1
  Cu  Cu2  2  0.0000  0.0000  0.0000  1
  As  As3  4  0.0787  0.0000  0.6919  1
  As  As4  4  0.1696  0.5000  0.0366  1
  O  O5  8  0.1188  0.2430  0.1157  1
  O  O6  8  0.1453  0.2568  0.6437  1
  O  O7  4  0.0950  0.0000  0.3600  1
  O  O8  4  0.1427  0.0000  0.8643  1
]