data_[Pm12Nd4Ho6Mg2]
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
  Ho  1.2300  1.7500  1.0410
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [6.2251]
_cell_length_b [10.7897]
_cell_length_c [11.8658]
_cell_angle_alpha [90.0000]
_cell_angle_beta [100.1014]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm6Nd2Ho3Mg]
_chemical_formula_sum '[Pm12 Nd4 Ho6 Mg2]'
_cell_volume [784.6337]
_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  8  0.2489  0.1654  0.2525  1
  Pm  Pm1  4  0.2476  0.0000  0.7466  1
  Nd  Nd2  4  0.0000  0.3330  0.0000  1
  Ho  Ho3  4  0.0000  0.1659  0.5000  1
  Ho  Ho4  2  0.0000  0.5000  0.5000  1
  Mg  Mg5  2  0.0000  0.0000  0.0000  1
]