data_[Pm4Ga2C4]
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 [C2/m]
_cell_length_a [7.4660]
_cell_length_b [3.7562]
_cell_length_c [7.6832]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.2888]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Pm2GaC2]
_chemical_formula_sum '[Pm4 Ga2 C4]'
_cell_volume [203.3726]
_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  4  0.2141  0.5000  0.7144  1
  Ga  Ga1  2  0.0000  0.5000  0.0000  1
  C  C2  4  0.0581  0.0000  0.4519  1
]