data_[Pm4Pr6Ho16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Pr  1.1300  1.8500  1.0600
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [7.7139]
_cell_length_b [20.4336]
_cell_length_c [5.6422]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pm2Pr3Ho8]
_chemical_formula_sum '[Pm4 Pr6 Ho16]'
_cell_volume [889.3351]
_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  0.0000  0.2415  0.5000  1
  Pr  Pr1  4  0.2067  0.5000  0.0000  1
  Pr  Pr2  2  0.0000  0.0000  0.5000  1
  Ho  Ho3  8  0.2097  0.6087  0.5000  1
  Ho  Ho4  4  0.0000  0.1336  0.0000  1
  Ho  Ho5  4  0.0000  0.3324  0.0000  1
]