data_[Eu2Si4Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Eu  1.2000  1.8500  1.1985
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.6684]
_cell_length_b [3.9259]
_cell_length_c [9.4161]
_cell_angle_alpha [90.0000]
_cell_angle_beta [98.0650]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [EuSi2Ag]
_chemical_formula_sum '[Eu2 Si4 Ag2]'
_cell_volume [170.8697]
_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
[
  Eu  Eu0  2  0.0512  0.2500  0.1883  1.0
  Si  Si1  2  0.1365  0.7500  0.4752  1.0
  Si  Si2  2  0.4699  0.2500  0.9289  1.0
  Ag  Ag3  2  0.4171  0.2500  0.6552  1.0
]