data_[Ce6Pm3Ge3]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Pm  1.1300  1.8500  1.1100
  Ge  2.0100  1.2500  0.7700
]
_symmetry_space_group_name_H-M [R3m]
_cell_length_a [3.8532]
_cell_length_b [3.8532]
_cell_length_c [28.6148]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [160]
_chemical_formula_structural [Ce2PmGe]
_chemical_formula_sum '[Ce6 Pm3 Ge3]'
_cell_volume [367.9289]
_cell_formula_units_Z [3]
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
[
  Ce  Ce0  3  0.0000  0.0000  0.7328  1
  Ce  Ce1  3  0.0000  0.0000  0.9340  1
  Pm  Pm2  3  0.0000  0.0000  0.4998  1
  Ge  Ge3  3  0.0000  0.0000  0.3335  1
]