data_[Na6Sr2Eu4Bi2As4]
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
  Eu  1.2000  1.8500  1.1985
  Bi  2.0200  1.6000  1.0350
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.6581]
_cell_length_b [13.6856]
_cell_length_c [7.8782]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Na3SrEu2BiAs2]
_chemical_formula_sum '[Na6 Sr2 Eu4 Bi2 As4]'
_cell_volume [502.2273]
_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  0.1282  0.8730  1
  Na  Na1  2  0.5000  0.0000  0.2556  1
  Sr  Sr2  2  0.0000  0.0000  0.5693  1
  Eu  Eu3  4  0.0000  0.2142  0.2133  1
  Bi  Bi4  2  0.0000  0.0000  0.0048  1
  As  As5  4  0.5000  0.1691  0.4988  1
]