data_[Eu4Mg4Tl4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [8.1729]
_cell_length_b [4.9596]
_cell_length_c [8.8305]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [EuMgTl]
_chemical_formula_sum '[Eu4 Mg4 Tl4]'
_cell_volume [357.9394]
_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
[
  Eu  Eu0  4  0.0087  0.2500  0.6908  1.0
  Mg  Mg1  4  0.1607  0.2500  0.0689  1.0
  Tl  Tl2  4  0.2167  0.7500  0.8925  1.0
]