data_[Sc4Tl8I20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sc  1.3600  1.6000  0.8850
  Tl  1.6200  1.9000  1.3325
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [Cmcm]
_cell_length_a [5.9485]
_cell_length_b [18.0288]
_cell_length_c [15.6694]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [63]
_chemical_formula_structural [ScTl2I5]
_chemical_formula_sum '[Sc4 Tl8 I20]'
_cell_volume [1680.4564]
_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
[
  Sc  Sc0  4  0.0000  0.1551  0.2500  1
  Tl  Tl1  8  0.0000  0.1477  0.5574  1
  I  I2  8  0.0000  0.0442  0.1228  1
  I  I3  8  0.0000  0.2706  0.1163  1
  I  I4  4  0.0000  0.3289  0.7500  1
]