data_[Er12Al4Os2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Al  1.6100  1.2500  0.6750
  Os  2.2000  1.3000  0.6730
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [4.9701]
_cell_length_b [7.0250]
_cell_length_c [14.5760]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er6Al2Os]
_chemical_formula_sum '[Er12 Al4 Os2]'
_cell_volume [508.9147]
_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
[
  Er  Er0  8  0.0000  0.2429  0.8432  1
  Er  Er1  4  0.0000  0.2685  0.5000  1
  Al  Al2  4  0.0000  0.0000  0.3325  1
  Os  Os3  2  0.0000  0.0000  0.0000  1
]