data_[La2Si4Ag2]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  La  1.1000  1.9500  1.1720
  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 [4.5441]
_cell_length_b [4.1105]
_cell_length_c [9.1328]
_cell_angle_alpha [90.0000]
_cell_angle_beta [99.6359]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [LaSi2Ag]
_chemical_formula_sum '[La2 Si4 Ag2]'
_cell_volume [168.1792]
_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
[
  La  La0  2  0.4415  0.2500  0.3078  1.0
  Si  Si1  2  0.0212  0.2500  0.5665  1.0
  Si  Si2  2  0.3494  0.7500  0.0135  1.0
  Ag  Ag3  2  0.0927  0.2500  0.8476  1.0
]