data_[Sr6Al2Sb8]
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
  Sb  2.0500  1.4500  0.8300
]
_symmetry_space_group_name_H-M [Imm2]
_cell_length_a [5.7532]
_cell_length_b [14.7705]
_cell_length_c [6.9328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [44]
_chemical_formula_structural [Sr3AlSb4]
_chemical_formula_sum '[Sr6 Al2 Sb8]'
_cell_volume [589.1289]
_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  4  0.0000  0.2911  0.7133  1
  Sr  Sr1  2  0.0000  0.0000  0.7845  1
  Al  Al2  2  0.0000  0.5000  0.0503  1
  Sb  Sb3  4  0.0000  0.3380  0.2216  1
  Sb  Sb4  4  0.2464  0.0000  0.2232  1
]