data_[Pm1Al1Cu6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Al  1.6100  1.2500  0.6750
  Cu  1.9000  1.3500  0.8200
]
_symmetry_space_group_name_H-M [Pm-3]
_cell_length_a [4.9305]
_cell_length_b [4.9305]
_cell_length_c [4.9305]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [200]
_chemical_formula_structural [PmAlCu6]
_chemical_formula_sum '[Pm1 Al1 Cu6]'
_cell_volume [119.8588]
_cell_formula_units_Z [1]
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  1  0.5000  0.5000  0.5000  1
  Al  Al1  1  0.0000  0.0000  0.0000  1
  Cu  Cu2  6  0.0000  0.5000  0.2378  1
]