data_[Na2Ce10Bi12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Ce  1.1200  1.8500  1.0800
  Bi  2.0200  1.6000  1.0350
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.9909]
_cell_length_b [13.8195]
_cell_length_c [7.9627]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.4129]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [NaCe5Bi6]
_chemical_formula_sum '[Na2 Ce10 Bi12]'
_cell_volume [829.3392]
_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  0.0000  0.0000  1
  Ce  Ce1  4  0.0000  0.1633  0.5000  1
  Ce  Ce2  4  0.0000  0.3318  0.0000  1
  Ce  Ce3  2  0.0000  0.5000  0.5000  1
  Bi  Bi4  8  0.2446  0.3298  0.7463  1
  Bi  Bi5  4  0.2433  0.5000  0.2517  1
]