data_[K2Gd2As4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Gd  1.2000  1.8000  1.0750
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.5224]
_cell_length_b [9.5723]
_cell_length_c [5.0692]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1576]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [KGdAs2O7]
_chemical_formula_sum '[K2 Gd2 As4 O14]'
_cell_volume [359.2978]
_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  0.2431  0.5000  1.0
  Gd  Gd1  2  0.0000  0.6352  0.5000  1.0
  As  As2  4  0.2051  0.9617  0.9224  1.0
  O  O3  4  0.1460  0.4578  0.7851  1.0
  O  O4  4  0.1585  0.8043  0.7700  1.0
  O  O5  4  0.2338  0.5844  0.2875  1.0
  O  O6  2  0.0000  0.0383  0.0000  1.0
]