data_[Nd16Mg4Ag2]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [18.5417]
_cell_length_b [5.4776]
_cell_length_c [7.1392]
_cell_angle_alpha [90.0000]
_cell_angle_beta [104.6095]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Nd8Mg2Ag]
_chemical_formula_sum '[Nd16 Mg4 Ag2]'
_cell_volume [701.6447]
_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  0.0212  0.0000  0.7651  1
  Nd  Nd1  4  0.0937  0.5000  0.4499  1
  Nd  Nd2  4  0.1574  0.5000  0.9500  1
  Nd  Nd3  4  0.1944  0.0000  0.2752  1
  Mg  Mg4  4  0.1906  0.0000  0.7193  1
  Ag  Ag5  2  0.0000  0.5000  0.0000  1
]