data_[Sr2Al8]
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
]
_symmetry_space_group_name_H-M [P-1]
_cell_length_a [4.5397]
_cell_length_b [6.4459]
_cell_length_c [8.6354]
_cell_angle_alpha [75.3309]
_cell_angle_beta [76.1480]
_cell_angle_gamma [72.1155]
_symmetry_Int_Tables_number [2]
_chemical_formula_structural [SrAl4]
_chemical_formula_sum '[Sr2 Al8]'
_cell_volume [229.0263]
_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
[
  Sr  Sr0  2  0.1604  0.4141  0.2599  1.0
  Al  Al1  2  0.1612  0.8278  0.9275  1.0
  Al  Al2  2  0.1681  0.0336  0.6153  1.0
  Al  Al3  2  0.4091  0.1925  0.8988  1.0
  Al  Al4  2  0.4331  0.7165  0.4249  1.0
]