data_[Pm2Sm12Mg2]
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 [C2/m]
_cell_length_a [11.3219]
_cell_length_b [5.0798]
_cell_length_c [10.1082]
_cell_angle_alpha [90.0000]
_cell_angle_beta [116.4252]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [PmSm6Mg]
_chemical_formula_sum '[Pm2 Sm12 Mg2]'
_cell_volume [520.6119]
_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  2  0.0000  0.0000  0.5000  1
  Sm  Sm1  4  0.0034  0.5000  0.2495  1
  Sm  Sm2  4  0.2438  0.0000  0.8779  1
  Sm  Sm3  4  0.2491  0.0000  0.3699  1
  Mg  Mg4  2  0.0000  0.0000  0.0000  1
]