data_[Pm16Ga4C8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Ga  1.8100  1.3000  0.7600
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [3.8233]
_cell_length_b [12.7600]
_cell_length_c [13.1528]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [Pm4GaC2]
_chemical_formula_sum '[Pm16 Ga4 C8]'
_cell_volume [641.6632]
_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  8  0.0000  0.2329  0.6055  1
  Pm  Pm1  4  0.0000  0.0709  0.2500  1
  Pm  Pm2  4  0.0000  0.5000  0.0000  1
  Ga  Ga3  4  0.0000  0.3920  0.2500  1
  C  C4  8  0.0000  0.1379  0.0603  1
]