data_[Sr8Al4Sn4Te20]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Sr  0.9500  2.0000  1.3200
  Al  1.6100  1.2500  0.6750
  Sn  1.9600  1.4500  0.8300
  Te  2.1000  1.4000  1.2933
]
_symmetry_space_group_name_H-M [Cmc2_1]
_cell_length_a [4.3955]
_cell_length_b [20.4976]
_cell_length_c [13.4896]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [36]
_chemical_formula_structural [Sr2AlSnTe5]
_chemical_formula_sum '[Sr8 Al4 Sn4 Te20]'
_cell_volume [1215.3656]
_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
[
  Sr  Sr0  4  0.0000  0.1092  0.6752  1.0
  Sr  Sr1  4  0.0000  0.1211  0.3072  1.0
  Al  Al2  4  0.0000  0.4338  0.4407  1.0
  Sn  Sn3  4  0.0000  0.2191  0.0269  1.0
  Te  Te4  4  0.0000  0.0467  0.0529  1.0
  Te  Te5  4  0.0000  0.2752  0.6847  1.0
  Te  Te6  4  0.0000  0.3120  0.3664  1.0
  Te  Te7  4  0.0000  0.3593  0.9947  1.0
  Te  Te8  4  0.0000  0.4983  0.2753  1.0
]