data_[K1Na1Tb2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Na  0.9300  1.8000  1.1600
  Tb  1.1000  1.7500  0.9815
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [6.7499]
_cell_length_b [8.3335]
_cell_length_c [6.8594]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.0424]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KNaTb2Cl8]
_chemical_formula_sum '[K1 Na1 Tb2 Cl8]'
_cell_volume [384.8823]
_cell_formula_units_Z [1]
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
[
  K  K0  1  0.0000  0.5000  0.0000  1.0
  Na  Na1  1  0.0000  0.0000  0.0000  1.0
  Tb  Tb2  2  0.5000  0.2454  0.5000  1.0
  Cl  Cl3  4  0.2273  0.2311  0.2106  1.0
  Cl  Cl4  2  0.3112  0.0000  0.6708  1.0
  Cl  Cl5  2  0.3167  0.5000  0.6626  1.0
]