data_[Li12As4O4]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2/m]
_cell_length_a [10.3613]
_cell_length_b [3.6566]
_cell_length_c [7.6461]
_cell_angle_alpha [90.0000]
_cell_angle_beta [108.2352]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [12]
_chemical_formula_structural [Li3AsO]
_chemical_formula_sum '[Li12 As4 O4]'
_cell_volume [275.1365]
_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  0.0701  0.0000  0.1471  1.0
  Li  Li1  4  0.1275  0.0000  0.6922  1.0
  Li  Li2  4  0.1755  0.5000  0.9619  1.0
  As  As3  4  0.1592  0.5000  0.4470  1.0
  O  O4  4  0.1238  0.0000  0.9309  1.0
]