data_[Na2Yb2As4O14]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Yb  1.1000  1.7500  1.0840
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [7.2881]
_cell_length_b [9.3580]
_cell_length_c [5.0667]
_cell_angle_alpha [90.0000]
_cell_angle_beta [102.3951]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [NaYbAs2O7]
_chemical_formula_sum '[Na2 Yb2 As4 O14]'
_cell_volume [337.5091]
_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
[
  Na  Na0  2  0.0000  0.2500  0.0000  1.0
  Yb  Yb1  2  0.0000  0.6318  0.0000  1.0
  As  As2  4  0.2108  0.9624  0.4182  1.0
  O  O3  4  0.1283  0.4492  0.2874  1.0
  O  O4  4  0.1766  0.8030  0.2544  1.0
  O  O5  4  0.2496  0.5953  0.7932  1.0
  O  O6  2  0.0000  0.0309  0.5000  1.0
]