data_[Pm3Sm36Ho18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Sm  1.1700  1.8500  1.2290
  Ho  1.2300  1.7500  1.0410
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [12.0596]
_cell_length_b [12.0596]
_cell_length_c [15.2200]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm(Sm2Ho)6]
_chemical_formula_sum '[Pm3 Sm36 Ho18]'
_cell_volume [1916.9590]
_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
  Sm  Sm1  18  0.0072  0.8310  0.1918  1
  Sm  Sm2  18  0.0454  0.8500  0.4166  1
  Ho  Ho3  18  0.0128  0.4259  0.6847  1
]