data_[K1Tb1I4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  K  0.8200  2.2000  1.5200
  Tb  1.1000  1.7500  0.9815
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [P2/m]
_cell_length_a [7.5885]
_cell_length_b [4.5656]
_cell_length_c [8.8254]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.1914]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [10]
_chemical_formula_structural [KTbI4]
_chemical_formula_sum '[K1 Tb1 I4]'
_cell_volume [305.2898]
_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  0.5000  1.0
  Tb  Tb1  1  0.0000  0.0000  0.0000  1.0
  I  I2  2  0.2304  0.5000  0.8734  1.0
  I  I3  2  0.2346  0.0000  0.2864  1.0
]