data_[K2Lu2As4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Lu  1.2700  1.7500  1.0010
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.4160]
_cell_length_b [9.2910]
_cell_length_c [4.9855]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.0982]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [KLuAs2O7]
_chemical_formula_sum '[K2 Lu2 As4 O14]'
_cell_volume [338.1890]
_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  0.0000  0.2404  0.5000  1.0
  Lu  Lu1  2  0.0000  0.6339  0.5000  1.0
  As  As2  4  0.2076  0.9618  0.9211  1.0
  O  O3  4  0.1427  0.4594  0.7808  1.0
  O  O4  4  0.1561  0.8005  0.7652  1.0
  O  O5  4  0.2266  0.5867  0.2912  1.0
  O  O6  2  0.0000  0.0419  0.0000  1.0
]