data_[Er12Zn2Ag10]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Er  1.2400  1.7500  1.0300
  Zn  1.6500  1.3500  0.8800
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Cmmm]
_cell_length_a [5.0917]
_cell_length_b [15.2436]
_cell_length_c [7.1680]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [65]
_chemical_formula_structural [Er6ZnAg5]
_chemical_formula_sum '[Er12 Zn2 Ag10]'
_cell_volume [556.3479]
_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  0.1658  0.2489  1
  Er  Er1  4  0.0000  0.5000  0.2484  1
  Zn  Zn2  2  0.0000  0.0000  0.0000  1
  Ag  Ag3  4  0.0000  0.3327  0.5000  1
  Ag  Ag4  4  0.0000  0.3351  0.0000  1
  Ag  Ag5  2  0.0000  0.0000  0.5000  1
]