data_[Tm4Mg4Tl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Tm  1.2500  1.7500  1.0950
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.7666]
_cell_length_b [3.4321]
_cell_length_c [7.5968]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.3122]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Tm2Mg2Tl3]
_chemical_formula_sum '[Tm4 Mg4 Tl6]'
_cell_volume [380.2996]
_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
[
  Tm  Tm0  4  0.0798  0.5000  0.8842  1
  Mg  Mg1  4  0.1250  0.0000  0.2929  1
  Tl  Tl2  4  0.2262  0.0000  0.7613  1
  Tl  Tl3  2  0.0000  0.0000  0.5000  1
]