data_[Er2Al5Ag5]
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
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pmmm]
_cell_length_a [4.4329]
_cell_length_b [5.4165]
_cell_length_c [9.5091]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [47]
_chemical_formula_structural [Er2(AlAg)5]
_chemical_formula_sum '[Er2 Al5 Ag5]'
_cell_volume [228.3204]
_cell_formula_units_Z [1]
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  1  0.0000  0.0000  0.5000  1.0
  Er  Er1  1  0.0000  0.5000  0.0000  1.0
  Al  Al2  4  0.5000  0.2516  0.2448  1.0
  Al  Al3  1  0.5000  0.5000  0.5000  1.0
  Ag  Ag4  2  0.0000  0.0000  0.1802  1.0
  Ag  Ag5  2  0.0000  0.5000  0.3354  1.0
  Ag  Ag6  1  0.5000  0.0000  0.0000  1.0
]