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 [12.4051]
_cell_length_b [4.6365]
_cell_length_c [9.4082]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.9405]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd3(MgSn2)2]
_chemical_formula_sum '[Nd6 Mg4 Sn8]'
_cell_volume [498.3239]
_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  0.1249  0.5000  0.6915  1
  Nd  Nd1  2  0.0000  0.0000  0.0000  1
  Mg  Mg2  4  0.1879  0.5000  0.3575  1
  Sn  Sn3  4  0.0744  0.0000  0.3921  1
  Sn  Sn4  4  0.2065  0.5000  0.0649  1
]