data_KNa2Ta
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.08
_cell_length_b   3.08
_cell_length_c   13.11
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   116.76
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Ta
_chemical_formula_sum   'K1 Na2 Ta1'
_cell_volume   111.19
_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  0.54  1.0
  Na  Na1  1  0.62  0.0  0.92  1.0
  Na  Na2  1  0.0  0.0  0.58  1.0
  Ta  Ta3  1  0.62  0.0  0.75  1.0

data_KNa2Ta
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.08
_cell_length_b   3.08
_cell_length_c   13.11
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   116.76
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Ta
_chemical_formula_sum   'K1 Na2 Ta1'
_cell_volume   111.19
_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  0.54  1.0
  Na  Na1  1  0.0  0.0  0.58  1.0
  Na  Na2  1  0.62  0.0  0.92  1.0
  Ta  Ta3  1  0.62  0.0  0.75  1.0

K Na Na Ta