data_[Pm2Mn2Fe2C4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Mn  1.5500  1.4000  0.6483
  Fe  1.8300  1.4000  0.8525
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [I-4m2]
_cell_length_a [3.5032]
_cell_length_b [3.5032]
_cell_length_c [9.9505]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [119]
_chemical_formula_structural [PmMnFeC2]
_chemical_formula_sum '[Pm2 Mn2 Fe2 C4]'
_cell_volume [122.1189]
_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  0.0000  1
  Mn  Mn1  2  0.0000  0.5000  0.7500  1
  Fe  Fe2  2  0.0000  0.5000  0.2500  1
  C  C3  4  0.0000  0.0000  0.3338  1
]