data_[Ba4Na2Zn4]
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
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [P4/mbm]
_cell_length_a [9.1304]
_cell_length_b [9.1304]
_cell_length_c [4.3325]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [127]
_chemical_formula_structural [Ba2NaZn2]
_chemical_formula_sum '[Ba4 Na2 Zn4]'
_cell_volume [361.1736]
_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
[
  Ba  Ba0  4  0.1763  0.3237  0.5000  1.0
  Na  Na1  2  0.0000  0.0000  0.0000  1.0
  Zn  Zn2  4  0.1140  0.6140  0.0000  1.0
]