data_[Er4Cd6Ag8]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Cd  1.6900  1.5500  1.0900
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [8.5855]
_cell_length_b [4.8511]
_cell_length_c [9.1608]
_cell_angle_alpha [90.0000]
_cell_angle_beta [92.3706]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Er2Cd3Ag4]
_chemical_formula_sum '[Er4 Cd6 Ag8]'
_cell_volume [381.2179]
_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  0.1707  0.5000  0.2238  1
  Cd  Cd1  4  0.1607  0.5000  0.5776  1
  Cd  Cd2  2  0.0000  0.0000  0.0000  1
  Ag  Ag3  4  0.0080  0.0000  0.3464  1
  Ag  Ag4  4  0.1642  0.5000  0.8986  1
]