data_[Pm4Ho16Zn2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ho  1.2300  1.7500  1.0410
  Zn  1.6500  1.3500  0.8800
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [19.0820]
_cell_length_b [5.4800]
_cell_length_c [6.4067]
_cell_angle_alpha [90.0000]
_cell_angle_beta [94.1276]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2Ho8Zn]
_chemical_formula_sum '[Pm4 Ho16 Zn2]'
_cell_volume [668.2088]
_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  0.2417  0.0000  0.3299  1
  Ho  Ho1  4  0.0415  0.0000  0.2546  1
  Ho  Ho2  4  0.0767  0.5000  0.6100  1
  Ho  Ho3  4  0.1539  0.5000  0.1236  1
  Ho  Ho4  4  0.1549  0.0000  0.8130  1
  Zn  Zn5  2  0.0000  0.5000  0.0000  1
]