data_[Li4Si4Ge8As16]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Si  1.9000  1.1000  0.5400
  Ge  2.0100  1.2500  0.7700
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [Fmm2]
_cell_length_a [8.0508]
_cell_length_b [8.8464]
_cell_length_c [10.5666]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [42]
_chemical_formula_structural [LiSi(GeAs2)2]
_chemical_formula_sum '[Li4 Si4 Ge8 As16]'
_cell_volume [752.5629]
_cell_formula_units_Z [4]
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
[
  Li  Li0  4  0.0000  0.0000  0.9870  1.0
  Si  Si1  4  0.0000  0.0000  0.5004  1.0
  Ge  Ge2  8  0.2500  0.2500  0.2431  1.0
  As  As3  8  0.0000  0.2375  0.3888  1.0
  As  As4  8  0.2471  0.0000  0.6242  1.0
]