data_[K2Tb2Mg4Cl16]
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
  Mg  1.3100  1.5000  0.8600
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.9456]
_cell_length_b [8.2965]
_cell_length_c [8.8591]
_cell_angle_alpha [90.0000]
_cell_angle_beta [103.2214]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [KTbMg2Cl8]
_chemical_formula_sum '[K2 Tb2 Mg4 Cl16]'
_cell_volume [711.6199]
_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
[
  K  K0  2  0.0000  0.0000  0.5000  1.0
  Tb  Tb1  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  4  0.0447  0.5000  0.7117  1.0
  Cl  Cl3  8  0.0195  0.2237  0.2230  1.0
  Cl  Cl4  4  0.1687  0.5000  0.5081  1.0
  Cl  Cl5  4  0.2280  0.5000  0.9525  1.0
]