data_[Al2Ag4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Al  1.6100  1.2500  0.6750
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.9642]
_cell_length_b [3.0079]
_cell_length_c [7.2530]
_cell_angle_alpha [90.0000]
_cell_angle_beta [106.3160]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [AlAg2]
_chemical_formula_sum '[Al2 Ag4]'
_cell_volume [103.9411]
_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
[
  Al  Al0  2  0.0254  0.7500  0.3304  1.0
  Ag  Ag1  2  0.2433  0.7500  0.9922  1.0
  Ag  Ag2  2  0.4629  0.7500  0.6606  1.0
]