data_[Pm12Ho4]
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
]
_symmetry_space_group_name_H-M [Pnma]
_cell_length_a [6.2921]
_cell_length_b [11.7057]
_cell_length_c [7.2643]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [62]
_chemical_formula_structural [Pm3Ho]
_chemical_formula_sum '[Pm12 Ho4]'
_cell_volume [535.0427]
_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  8  0.2489  0.5009  0.3756  1
  Pm  Pm1  4  0.0835  0.2500  0.1247  1
  Ho  Ho2  4  0.0834  0.2500  0.6266  1
]