data_[Na2Gd2Cl8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Gd  1.2000  1.8000  1.0750
  Cl  3.1600  1.0000  0.7800
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [6.8068]
_cell_length_b [6.8737]
_cell_length_c [7.0732]
_cell_angle_alpha [88.6850]
_cell_angle_beta [86.6197]
_cell_angle_gamma [77.6203]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [NaGdCl4]
_chemical_formula_sum '[Na2 Gd2 Cl8]'
_cell_volume [322.6620]
_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
[
  Na  Na0  2  0.2233  0.1904  0.5336  1.0
  Gd  Gd1  2  0.2126  0.6985  0.9468  1.0
  Cl  Cl2  2  0.0389  0.4977  0.2422  1.0
  Cl  Cl3  2  0.0852  0.9965  0.2115  1.0
  Cl  Cl4  2  0.4035  0.8016  0.6418  1.0
  Cl  Cl5  2  0.4422  0.3193  0.8733  1.0
]