data_[Pm6Pr16Ho4]
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 [7.7747]
_cell_length_b [20.6218]
_cell_length_c [5.8589]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Pm3(Pr4Ho)2]
_chemical_formula_sum '[Pm6 Pr16 Ho4]'
_cell_volume [939.3535]
_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
[
  Pr  Pr0  8  0.2074  0.6074  0.5000  1
  Pr  Pr1  4  0.0000  0.1340  0.0000  1
  Pr  Pr2  4  0.0000  0.3251  0.0000  1
  Pm  Pm3  4  0.2135  0.5000  0.0000  1
  Pm  Pm4  2  0.0000  0.0000  0.5000  1
  Ho  Ho5  4  0.0000  0.2409  0.5000  1
]