data_[Pm1Fe2Ge2C1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Pm  1.1300  1.8500  1.1100
  Fe  1.8300  1.4000  0.8525
  Ge  2.0100  1.2500  0.7700
  C  2.5500  0.7000  0.3000
]
_symmetry_space_group_name_H-M [P4/mmm]
_cell_length_a [3.9693]
_cell_length_b [3.9693]
_cell_length_c [5.4605]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [123]
_chemical_formula_structural [PmFe2Ge2C]
_chemical_formula_sum '[Pm1 Fe2 Ge2 C1]'
_cell_volume [86.0324]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1
  Fe  Fe1  2  0.0000  0.5000  0.0000  1
  Ge  Ge2  2  0.5000  0.5000  0.2679  1
  C  C3  1  0.0000  0.0000  0.0000  1
]