data_[Er20Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/c]
_cell_length_a [15.7539]
_cell_length_b [7.1132]
_cell_length_c [6.7478]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.2034]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [15]
_chemical_formula_structural [Er5Ag2]
_chemical_formula_sum '[Er20 Ag8]'
_cell_volume [756.1527]
_cell_formula_units_Z [4]
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  0.0943  0.1445  0.0004  1.0
  Er  Er1  8  0.2250  0.4940  0.2534  1.0
  Er  Er2  4  0.0000  0.4994  0.7500  1.0
  Ag  Ag3  8  0.1136  0.2500  0.5031  1.0
]