data_[Pm2Nd10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Nd  1.1400  1.8500  1.2765
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.1920]
_cell_length_b [15.6211]
_cell_length_c [5.1983]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [PmNd5]
_chemical_formula_sum '[Pm2 Nd10]'
_cell_volume [421.6017]
_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
[
  Pm  Pm0  2  0.0000  0.0000  0.0000  1
  Nd  Nd1  4  0.0000  0.1666  0.5000  1
  Nd  Nd2  4  0.0000  0.3337  0.0000  1
  Nd  Nd3  2  0.0000  0.5000  0.5000  1
]