data_[Li2Nb2As4O12]
loop_
 _atom_type_symbol
 _atom_type_electronegativity
 _atom_type_radius
 _atom_type_ionic_radius
[
  Li  0.9800  1.4500  0.9000
  Nb  1.6000  1.4500  0.8200
  As  2.1800  1.1500  0.6600
  O  3.4400  0.6000  1.2600
]
_symmetry_space_group_name_H-M [C2]
_cell_length_a [9.3557]
_cell_length_b [6.5160]
_cell_length_c [6.0849]
_cell_angle_alpha [90.0000]
_cell_angle_beta [127.7817]
_cell_angle_gamma [90.0000]
_symmetry_Int_Tables_number [5]
_chemical_formula_structural [LiNb(AsO3)2]
_chemical_formula_sum '[Li2 Nb2 As4 O12]'
_cell_volume [293.1769]
_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
[
  Li  Li0  2  0.0000  0.4429  0.0000  1.0
  Nb  Nb1  2  0.0000  0.0241  0.5000  1.0
  As  As2  4  0.2445  0.3750  0.6881  1.0
  O  O3  4  0.0636  0.2930  0.3417  1.0
  O  O4  4  0.0636  0.8380  0.3284  1.0
  O  O5  4  0.2476  0.6087  0.1925  1.0
]