data_[Na2Tb10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Tb  1.1000  1.7500  0.9815
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.0243]
_cell_length_b [15.3021]
_cell_length_c [5.0349]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [NaTb5]
_chemical_formula_sum '[Na2 Tb10]'
_cell_volume [387.0988]
_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
  Tb  Tb1  4  0.0000  0.1732  0.5000  1
  Tb  Tb2  4  0.0000  0.3291  0.0000  1
  Tb  Tb3  2  0.0000  0.5000  0.5000  1
]