data_[Nd14Mg4Ag4]
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 [Cmmm]
_cell_length_a [7.9771]
_cell_length_b [11.4608]
_cell_length_c [7.9402]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Nd7(MgAg)2]
_chemical_formula_sum '[Nd14 Mg4 Ag4]'
_cell_volume [725.9247]
_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  8  0.2500  0.2500  0.2782  1
  Nd  Nd1  4  0.0000  0.5000  0.2508  1
  Nd  Nd2  2  0.0000  0.0000  0.0000  1
  Mg  Mg3  4  0.1724  0.0000  0.5000  1
  Ag  Ag4  4  0.0000  0.2875  0.0000  1
]