data_[Na4Tb4P8O24]
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
  P  2.1900  1.0000  0.5500
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [6.9056]
_cell_length_b [10.8744]
_cell_length_c [7.7074]
_cell_angle_alpha [90.0000]
_cell_angle_beta [113.4608]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [NaTb(PO3)2]
_chemical_formula_sum '[Na4 Tb4 P8 O24]'
_cell_volume [530.9359]
_cell_formula_units_Z [4]
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  0.0000  0.1313  0.7500  1.0
  Tb  Tb1  4  0.0000  0.2830  0.2500  1.0
  P  P2  8  0.1623  0.4096  0.7438  1.0
  O  O3  8  0.1583  0.1491  0.0861  1.0
  O  O4  8  0.1630  0.3308  0.5753  1.0
  O  O5  8  0.1906  0.4519  0.2238  1.0
]