data_[Pm6Sm6Mg2]
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
  Mg  1.3100  1.5000  0.8600
]
_symmetry_space_group_name_H-M [P6_3/m]
_cell_length_a [9.6047]
_cell_length_b [9.6047]
_cell_length_c [5.7407]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [176]
_chemical_formula_structural [Pm3Sm3Mg]
_chemical_formula_sum '[Pm6 Sm6 Mg2]'
_cell_volume [458.6284]
_cell_formula_units_Z [2]
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  0.0567  0.8140  0.7500  1
  Sm  Sm1  6  0.1026  0.6250  0.2500  1
  Mg  Mg2  2  0.3333  0.6667  0.7500  1
]