data_[Ac6Mg6Sn6I6]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ac  1.1000  1.9500  1.2600
  Mg  1.3100  1.5000  0.8600
  Sn  1.9600  1.4500  0.8300
  I  2.6600  1.4000  1.2733
]
_symmetry_space_group_name_H-M [R-3m]
_cell_length_a [4.8293]
_cell_length_b [4.8293]
_cell_length_c [46.3577]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [120.0000]
_symmetry_Int_Tables_number [166]
_chemical_formula_structural [AcMgSnI]
_chemical_formula_sum '[Ac6 Mg6 Sn6 I6]'
_cell_volume [936.3234]
_cell_formula_units_Z [6]
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
[
  Ac  Ac0  6  0.0000  0.0000  0.0809  1
  Mg  Mg1  6  0.0000  0.0000  0.3114  1
  Sn  Sn2  6  0.0000  0.0000  0.3755  1
  I  I3  6  0.0000  0.0000  0.2083  1
]