data_[Pm4Nd2P4N12]
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
  P  2.1900  1.0000  0.5500
  N  3.0400  0.6500  0.6300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [9.7353]
_cell_length_b [5.5885]
_cell_length_c [6.6906]
_cell_angle_alpha [90.0000]
_cell_angle_beta [119.4914]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Nd(PN3)2]
_chemical_formula_sum '[Pm4 Nd2 P4 N12]'
_cell_volume [316.8434]
_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  4  0.2041  0.5000  0.1750  1
  Nd  Nd1  2  0.0000  0.5000  0.5000  1
  P  P2  4  0.0377  0.0000  0.2597  1
  N  N3  8  0.0610  0.2424  0.8353  1
  N  N4  4  0.2242  0.0000  0.3820  1
]