data_[Er6Al2Ga8]
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
  Ga  1.8100  1.3000  0.7600
]
_symmetry_space_group_name_H-M [Immm]
_cell_length_a [3.5752]
_cell_length_b [6.2087]
_cell_length_c [16.3814]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [71]
_chemical_formula_structural [Er3AlGa4]
_chemical_formula_sum '[Er6 Al2 Ga8]'
_cell_volume [363.6197]
_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  4  0.0000  0.0000  0.2112  1
  Er  Er1  2  0.0000  0.5000  0.0000  1
  Al  Al2  2  0.0000  0.5000  0.5000  1
  Ga  Ga3  8  0.0000  0.2107  0.3765  1
]