data_[Na4Ca2Ga2Bi4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ca  1.0000  1.8000  1.1400
  Ga  1.8100  1.3000  0.7600
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [Pmc2_1]
_cell_length_a [4.9169]
_cell_length_b [9.1827]
_cell_length_c [7.9657]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2CaGaBi2]
_chemical_formula_sum '[Na4 Ca2 Ga2 Bi4]'
_cell_volume [359.6577]
_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  0.1551  0.8278  1.0
  Na  Na1  2  0.5000  0.0727  0.5130  1.0
  Ca  Ca2  2  0.0000  0.4749  0.5134  1.0
  Ga  Ga3  2  0.5000  0.3250  0.1602  1.0
  Bi  Bi4  2  0.0000  0.1833  0.2540  1.0
  Bi  Bi5  2  0.5000  0.3678  0.7772  1.0
]