data_K2LiNb
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.97
_cell_length_b   5.97
_cell_length_c   5.97
_cell_angle_alpha   122.12
_cell_angle_beta   122.12
_cell_angle_gamma   86.37
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2LiNb
_chemical_formula_sum   'K2 Li1 Nb1'
_cell_volume   145.59
_cell_formula_units_Z   1
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
  K  K0  1  0.0  0.0  0.36  1.0
  K  K1  1  0.0  0.89  0.18  1.0
  Li  Li2  1  0.0  0.0  0.0  1.0
  Nb  Nb3  1  0.89  0.0  0.18  1.0

data_K2LiNb
_symmetry_space_group_name_H-M   P1
_cell_length_a   5.78
_cell_length_b   5.78
_cell_length_c   5.97
_cell_angle_alpha   118.94
_cell_angle_beta   118.94
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K2LiNb
_chemical_formula_sum   'K2 Li1 Nb1'
_cell_volume   145.59
_cell_formula_units_Z   1
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
  K  K0  1  0.64  0.0  0.64  1.0
  K  K1  1  0.71  0.89  0.71  1.0
  Li  Li2  1  0.0  0.0  0.0  1.0
  Nb  Nb3  1  0.82  0.0  0.71  1.0

K K Li Nb
K K Li Nb 0 3 - o o 0 1 o - o 1 3 - + o 1 2 o + o 2 3 - o o 