data_[Pm8Nd8Ho4]
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
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [8.5907]
_cell_length_b [9.9078]
_cell_length_c [8.9861]
_cell_angle_alpha [90.0000]
_cell_angle_beta [112.5398]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Pm2Nd2Ho]
_chemical_formula_sum '[Pm8 Nd8 Ho4]'
_cell_volume [706.4312]
_cell_formula_units_Z [4]
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  0.0000  0.5000  0.0000  1
  Pm  Pm1  4  0.2500  0.2500  0.0000  1
  Nd  Nd2  8  0.1585  0.0857  0.6374  1
  Ho  Ho3  4  0.0000  0.2032  0.2500  1
]