data_[Nd2Mg8Ag2]
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 [Pmma]
_cell_length_a [8.6175]
_cell_length_b [4.3374]
_cell_length_c [7.7999]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [NdMg4Ag]
_chemical_formula_sum '[Nd2 Mg8 Ag2]'
_cell_volume [291.5416]
_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  2  0.2500  0.0000  0.3916  1.0
  Mg  Mg1  4  0.0567  0.5000  0.6914  1.0
  Mg  Mg2  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg3  2  0.2500  0.5000  0.0551  1.0
  Ag  Ag4  2  0.2500  0.0000  0.7938  1.0
]