data_[Pm18Er24Zr3]
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
  Zr  1.3300  1.5500  0.8600
]
_symmetry_space_group_name_H-M [R-3]
_cell_length_a [9.0236]
_cell_length_b [9.0236]
_cell_length_c [20.4909]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [148]
_chemical_formula_structural [Pm6Er8Zr]
_chemical_formula_sum '[Pm18 Er24 Zr3]'
_cell_volume [1444.9297]
_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  0.0679  0.2525  0.7097  1
  Er  Er1  18  0.0836  0.5593  0.8049  1
  Er  Er2  6  0.0000  0.0000  0.4234  1
  Zr  Zr3  3  0.0000  0.0000  0.0000  1
]