data_[Nd4Sm6Hg4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Nd  1.1400  1.8500  1.2765
  Sm  1.1700  1.8500  1.2290
  Hg  2.0000  1.5000  1.2450
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [13.5660]
_cell_length_b [3.8033]
_cell_length_c [9.5622]
_cell_angle_alpha [90.0000]
_cell_angle_beta [114.9821]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd2Sm3Hg2]
_chemical_formula_sum '[Nd4 Sm6 Hg4]'
_cell_volume [447.2045]
_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  4  0.1427  0.0000  0.8092  1.0
  Sm  Sm1  4  0.1107  0.5000  0.4450  1.0
  Sm  Sm2  2  0.0000  0.5000  0.0000  1.0
  Hg  Hg3  4  0.1741  0.0000  0.2261  1.0
]