data_[Na6Sr4Yb2Bi6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Sr  0.9500  2.0000  1.3200
  Yb  1.1000  1.7500  1.0840
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.8822]
_cell_length_b [14.1924]
_cell_length_c [8.3413]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Na3Sr2YbBi3]
_chemical_formula_sum '[Na6 Sr4 Yb2 Bi6]'
_cell_volume [577.9744]
_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  4  0.5000  0.1214  0.8774  1
  Na  Na1  2  0.5000  0.0000  0.2398  1
  Sr  Sr2  4  0.0000  0.2104  0.2120  1
  Yb  Yb3  2  0.0000  0.0000  0.5862  1
  Bi  Bi4  4  0.5000  0.1611  0.5027  1
  Bi  Bi5  2  0.0000  0.0000  0.9898  1
]