data_[Pm6Be3Ga9Cu36]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Be  1.5700  1.0500  0.5900
  Ga  1.8100  1.3000  0.7600
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [5.6057]
_cell_length_b [5.6057]
_cell_length_c [31.6249]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [Pm2Be(GaCu4)3]
_chemical_formula_sum '[Pm6 Be3 Ga9 Cu36]'
_cell_volume [860.6494]
_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  6  0.0000  0.0000  0.3551  1
  Be  Be1  3  0.0000  0.0000  0.0000  1
  Ga  Ga2  9  0.0000  0.5000  0.5000  1
  Cu  Cu3  18  0.0281  0.5141  0.6096  1
  Cu  Cu4  18  0.0376  0.5188  0.1104  1
]