data_[Ba2Na4Cu4Te8]
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
  Cu  1.9000  1.3500  0.8200
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.7094]
_cell_length_b [4.5290]
_cell_length_c [6.8625]
_cell_angle_alpha [90.0000]
_cell_angle_beta [105.4563]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [BaNa2(CuTe2)2]
_chemical_formula_sum '[Ba2 Na4 Cu4 Te8]'
_cell_volume [560.4646]
_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  2  0.0000  0.0000  0.0000  1.0
  Na  Na1  4  0.1685  0.0000  0.6280  1.0
  Cu  Cu2  4  0.2013  0.5000  0.9968  1.0
  Te  Te3  4  0.0589  0.5000  0.6890  1.0
  Te  Te4  4  0.1909  0.0000  0.1871  1.0
]