data_[Na2Li4As4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Na  0.9300  1.8000  1.1600
  Li  0.9800  1.4500  0.9000
  As  2.1800  1.1500  0.6600
]
_symmetry_space_group_name_H-M [P2_1/m]
_cell_length_a [4.6464]
_cell_length_b [3.4420]
_cell_length_c [12.1280]
_cell_angle_alpha [90.0000]
_cell_angle_beta [93.2465]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [11]
_chemical_formula_structural [Na(LiAs)2]
_chemical_formula_sum '[Na2 Li4 As4]'
_cell_volume [193.6479]
_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
[
  Na  Na0  2  0.2864  0.7500  0.7342  1.0
  Li  Li1  2  0.2016  0.7500  0.1398  1.0
  Li  Li2  2  0.2531  0.2500  0.5212  1.0
  As  As3  2  0.2272  0.7500  0.3537  1.0
  As  As4  2  0.3208  0.2500  0.9717  1.0
]