data_[Y4Tl2Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Tl  1.6200  1.9000  1.3325
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Amm2]
_cell_length_a [4.8817]
_cell_length_b [3.6847]
_cell_length_c [11.8027]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [38]
_chemical_formula_structural [Y2TlAg]
_chemical_formula_sum '[Y4 Tl2 Ag2]'
_cell_volume [212.3035]
_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
[
  Y  Y0  2  0.0000  0.0000  0.0986  1.0
  Y  Y1  2  0.5000  0.0000  0.4019  1.0
  Tl  Tl2  2  0.5000  0.0000  0.6719  1.0
  Ag  Ag3  2  0.0000  0.0000  0.8326  1.0
]