data_[Ce2Be3Si4Ag1]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Ce  1.1200  1.8500  1.0800
  Be  1.5700  1.0500  0.5900
  Si  1.9000  1.1000  0.5400
  Ag  1.9300  1.6000  1.0867
]
_symmetry_space_group_name_H-M [P-4m2]
_cell_length_a [4.0636]
_cell_length_b [4.0636]
_cell_length_c [9.7573]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [115]
_chemical_formula_structural [Ce2Be3Si4Ag]
_chemical_formula_sum '[Ce2 Be3 Si4 Ag1]'
_cell_volume [161.1183]
_cell_formula_units_Z [1]
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
[
  Ce  Ce0  2  0.0000  0.5000  0.7634  1.0
  Be  Be1  2  0.0000  0.5000  0.1185  1.0
  Be  Be2  1  0.0000  0.0000  0.5000  1.0
  Si  Si3  2  0.0000  0.5000  0.3494  1.0
  Si  Si4  1  0.0000  0.0000  0.0000  1.0
  Si  Si5  1  0.5000  0.5000  0.0000  1.0
  Ag  Ag6  1  0.5000  0.5000  0.5000  1.0
]