data_[Na4Sr2Ga2Bi4]
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
  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 [5.2935]
_cell_length_b [8.9712]
_cell_length_c [8.0474]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [26]
_chemical_formula_structural [Na2SrGaBi2]
_chemical_formula_sum '[Na4 Sr2 Ga2 Bi4]'
_cell_volume [382.1619]
_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  0.1519  0.8370  1
  Na  Na1  2  0.5000  0.0776  0.5101  1
  Sr  Sr2  2  0.0000  0.4674  0.5148  1
  Ga  Ga3  2  0.5000  0.3107  0.1652  1
  Bi  Bi4  2  0.0000  0.1855  0.2334  1
  Bi  Bi5  2  0.5000  0.3643  0.7851  1
]