data_[Nd6Mg4Sn8]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [12.4394]
_cell_length_b [4.6330]
_cell_length_c [9.4303]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.9523]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd3(MgSn2)2]
_chemical_formula_sum '[Nd6 Mg4 Sn8]'
_cell_volume [500.4571]
_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  0.1246  0.5000  0.6910  1.0
  Nd  Nd1  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg2  4  0.1880  0.5000  0.3578  1.0
  Sn  Sn3  4  0.0748  0.0000  0.3926  1.0
  Sn  Sn4  4  0.2071  0.5000  0.0644  1.0
]