data_[Nd14Mg2Tl6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Mg  1.3100  1.5000  0.8600
  Tl  1.6200  1.9000  1.3325
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [5.9791]
_cell_length_b [10.0119]
_cell_length_c [11.9155]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Nd7MgTl3]
_chemical_formula_sum '[Nd14 Mg2 Tl6]'
_cell_volume [713.2843]
_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
[
  Nd  Nd0  8  0.0000  0.3247  0.2743  1
  Nd  Nd1  4  0.0000  0.1759  0.0000  1
  Nd  Nd2  2  0.0000  0.0000  0.5000  1
  Mg  Mg3  2  0.0000  0.5000  0.0000  1
  Tl  Tl4  4  0.0000  0.0000  0.2351  1
  Tl  Tl5  2  0.0000  0.5000  0.5000  1
]