data_[Pm6Al14Ni8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Al  1.6100  1.2500  0.6750
  Ni  1.9100  1.3500  0.7400
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [15.3987]
_cell_length_b [4.1597]
_cell_length_c [9.4046]
_cell_angle_alpha [90.0000]
_cell_angle_beta [124.6992]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm3Al7Ni4]
_chemical_formula_sum '[Pm6 Al14 Ni8]'
_cell_volume [495.2639]
_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  0.1914  0.5000  0.1966  1
  Pm  Pm1  2  0.0000  0.0000  0.5000  1
  Al  Al2  4  0.0061  0.5000  0.7876  1
  Al  Al3  4  0.1574  0.0000  0.9224  1
  Al  Al4  4  0.1813  0.5000  0.5217  1
  Al  Al5  2  0.0000  0.0000  0.0000  1
  Ni  Ni6  4  0.1159  0.0000  0.3387  1
  Ni  Ni7  4  0.1631  0.5000  0.7846  1
]