data_[Cs1Tb1Mg2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Cs  0.7900  2.6000  1.8100
  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 [P-1]
_cell_length_a [6.6494]
_cell_length_b [6.7672]
_cell_length_c [9.4433]
_cell_angle_alpha [72.1396]
_cell_angle_beta [74.1873]
_cell_angle_gamma [72.6861]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [CsTbMg2Cl8]
_chemical_formula_sum '[Cs1 Tb1 Mg2 Cl8]'
_cell_volume [378.3687]
_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
[
  Cs  Cs0  1  0.0000  0.0000  0.5000  1
  Tb  Tb1  1  0.0000  0.0000  0.0000  1
  Mg  Mg2  2  0.4607  0.4521  0.7095  1
  Cl  Cl3  2  0.1841  0.7103  0.2255  1
  Cl  Cl4  2  0.2565  0.7755  0.8019  1
  Cl  Cl5  2  0.2808  0.2329  0.9439  1
  Cl  Cl6  2  0.3897  0.3007  0.5320  1
]