data_[Pm4Mg12Ga8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mg  1.3100  1.5000  0.8600
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.4980]
_cell_length_b [8.4822]
_cell_length_c [14.2567]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [PmMg3Ga2]
_chemical_formula_sum '[Pm4 Mg12 Ga8]'
_cell_volume [543.9303]
_cell_formula_units_Z [4]
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  4  0.0000  0.0000  0.1298  1
  Mg  Mg1  8  0.0000  0.1941  0.3340  1
  Mg  Mg2  4  0.0000  0.3330  0.0000  1
  Ga  Ga3  4  0.0000  0.3521  0.5000  1
  Ga  Ga4  4  0.0000  0.5000  0.2037  1
]