data_[Ba4Na4Bi4As8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ba  0.8900  2.1500  1.4900
  Na  0.9300  1.8000  1.1600
  Bi  2.0200  1.6000  1.0350
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.4062]
_cell_length_b [4.6977]
_cell_length_c [11.2923]
_cell_angle_alpha [90.0000]
_cell_angle_beta [123.2258]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [BaNaBiAs2]
_chemical_formula_sum '[Ba4 Na4 Bi4 As8]'
_cell_volume [683.6598]
_cell_formula_units_Z [4]
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
[
  Ba  Ba0  4  0.1988  0.0000  0.6327  1.0
  Na  Na1  4  0.1409  0.5000  0.9302  1.0
  Bi  Bi2  4  0.0471  0.0000  0.1954  1.0
  As  As3  4  0.0860  0.5000  0.3719  1.0
  As  As4  4  0.1888  0.0000  0.1194  1.0
]