data_[Ce4Tm8Sb12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Tm  1.2500  1.7500  1.0950
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [7.6120]
_cell_length_b [13.1847]
_cell_length_c [7.6005]
_cell_angle_alpha [90.0000]
_cell_angle_beta [109.5418]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [CeTm2Sb3]
_chemical_formula_sum '[Ce4 Tm8 Sb12]'
_cell_volume [718.8663]
_cell_formula_units_Z [4]
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  0.3340  0.5000  1
  Tm  Tm1  4  0.0000  0.1690  0.0000  1
  Tm  Tm2  2  0.0000  0.0000  0.5000  1
  Tm  Tm3  2  0.0000  0.5000  0.0000  1
  Sb  Sb4  8  0.2491  0.1642  0.7555  1
  Sb  Sb5  4  0.2418  0.0000  0.2417  1
]