data_[Ce2Pm2Sn6]
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
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Pmmn]
_cell_length_a [4.4555]
_cell_length_b [6.6863]
_cell_length_c [9.8919]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [59]
_chemical_formula_structural [CePmSn3]
_chemical_formula_sum '[Ce2 Pm2 Sn6]'
_cell_volume [294.6865]
_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
[
  Ce  Ce0  2  0.0000  0.5000  0.8901  1
  Pm  Pm1  2  0.0000  0.0000  0.5430  1
  Sn  Sn2  4  0.0000  0.2586  0.2735  1
  Sn  Sn3  2  0.0000  0.0000  0.8712  1
]