data_[Pm24Er3Ga18]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Er  1.2400  1.7500  1.0300
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [8.7979]
_cell_length_b [8.7979]
_cell_length_c [18.8622]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm8ErGa6]
_chemical_formula_sum '[Pm24 Er3 Ga18]'
_cell_volume [1264.3866]
_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  18  0.0001  0.6664  0.5539  1
  Pm  Pm1  6  0.0000  0.0000  0.3341  1
  Er  Er2  3  0.0000  0.0000  0.0000  1
  Ga  Ga3  18  0.0003  0.3274  0.9441  1
]