data_[Y2Mg8Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Y  1.2200  1.8000  1.0400
  Mg  1.3100  1.5000  0.8600
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [Pmma]
_cell_length_a [8.7879]
_cell_length_b [4.0546]
_cell_length_c [7.9346]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [51]
_chemical_formula_structural [YMg4Ag]
_chemical_formula_sum '[Y2 Mg8 Ag2]'
_cell_volume [282.7248]
_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  0.2500  0.0000  0.3961  1.0
  Mg  Mg1  4  0.0500  0.5000  0.6860  1.0
  Mg  Mg2  2  0.0000  0.0000  0.0000  1.0
  Mg  Mg3  2  0.2500  0.5000  0.0651  1.0
  Ag  Ag4  2  0.2500  0.0000  0.7931  1.0
]