data_[Na4Li2V2O8]
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
  V  1.6300  1.3500  0.7775
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [Pmn2_1]
_cell_length_a [6.6474]
_cell_length_b [6.1431]
_cell_length_c [5.4269]
_cell_angle_alpha [90.0000]
_cell_angle_beta [90.0000]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [31]
_chemical_formula_structural [Na2LiVO4]
_chemical_formula_sum '[Na4 Li2 V2 O8]'
_cell_volume [221.6101]
_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  4  0.2463  0.6760  0.9898  1.0
  Li  Li1  2  0.0000  0.8519  0.4993  1.0
  V  V2  2  0.0000  0.1618  0.0012  1.0
  O  O3  4  0.2198  0.3056  0.9208  1.0
  O  O4  2  0.0000  0.1280  0.3192  1.0
  O  O5  2  0.0000  0.9076  0.8591  1.0
]