data_[Gd4Mg4Tl4Te12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Gd  1.2000  1.8000  1.0750
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [11.8163]
_cell_length_b [4.4893]
_cell_length_c [15.4712]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [GdMgTlTe3]
_chemical_formula_sum '[Gd4 Mg4 Tl4 Te12]'
_cell_volume [820.6941]
_cell_formula_units_Z [4]
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
[
  Gd  Gd0  4  0.0090  0.2500  0.2520  1
  Mg  Mg1  4  0.2421  0.2500  0.7839  1
  Tl  Tl2  4  0.2375  0.7500  0.9907  1
  Te  Te3  4  0.0469  0.2500  0.8833  1
  Te  Te4  4  0.0657  0.7500  0.3861  1
  Te  Te5  4  0.2419  0.7500  0.6735  1
]