data_[Pm3Dy36Tm18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Dy  1.2200  1.7500  1.1310
  Tm  1.2500  1.7500  1.0950
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [11.8123]
_cell_length_b [11.8123]
_cell_length_c [15.0916]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm(Dy2Tm)6]
_chemical_formula_sum '[Pm3 Dy36 Tm18]'
_cell_volume [1823.6178]
_cell_formula_units_Z [3]
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  3  0.0000  0.0000  0.0000  1
  Dy  Dy1  18  0.0143  0.1810  0.1915  1
  Dy  Dy2  18  0.0418  0.1913  0.4159  1
  Tm  Tm3  18  0.0099  0.5862  0.6808  1
]