data_[Nd24Sn4Hg8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sn  1.9600  1.4500  0.8300
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [9.7269]
_cell_length_b [10.1181]
_cell_length_c [11.6996]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Nd6SnHg2]
_chemical_formula_sum '[Nd24 Sn4 Hg8]'
_cell_volume [1151.4422]
_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
[
  Nd  Nd0  8  0.0000  0.1951  0.2306  1.0
  Nd  Nd1  8  0.2092  0.6913  0.5000  1.0
  Nd  Nd2  8  0.2153  0.5000  0.1726  1.0
  Sn  Sn3  2  0.0000  0.0000  0.0000  1.0
  Sn  Sn4  2  0.0000  0.0000  0.5000  1.0
  Hg  Hg5  4  0.0000  0.3484  0.0000  1.0
  Hg  Hg6  4  0.0000  0.5000  0.3686  1.0
]