data_[Ce4Er2Sn6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Er  1.2400  1.7500  1.0300
  Sn  1.9600  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.7940]
_cell_length_b [17.2761]
_cell_length_c [3.2691]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Ce2ErSn3]
_chemical_formula_sum '[Ce4 Er2 Sn6]'
_cell_volume [327.2307]
_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  4  0.0000  0.3339  0.0000  1
  Er  Er1  2  0.0000  0.0000  0.0000  1
  Sn  Sn2  4  0.0000  0.1636  0.5000  1
  Sn  Sn3  2  0.0000  0.5000  0.5000  1
]