data_[K4Y2As4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Y  1.2200  1.8000  1.0400
  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 [9.8785]
_cell_length_b [5.9951]
_cell_length_c [7.2127]
_cell_angle_alpha [90.0000]
_cell_angle_beta [115.9713]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [K2Y(AsO3)2]
_chemical_formula_sum '[K4 Y2 As4 O12]'
_cell_volume [384.0168]
_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  0.2075  0.5000  0.1734  1.0
  Y  Y1  2  0.0000  0.5000  0.5000  1.0
  As  As2  4  0.0652  0.0000  0.2201  1.0
  O  O3  8  0.0297  0.2355  0.7462  1.0
  O  O4  4  0.2495  0.5000  0.5831  1.0
]