data_KNa2Ta
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.99
_cell_length_b   5.99
_cell_length_c   7.19
_cell_angle_alpha   92.4
_cell_angle_beta   92.4
_cell_angle_gamma   27.34
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Ta
_chemical_formula_sum   'K1 Na2 Ta1'
_cell_volume   118.42
_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  0.0  1.0
  Na  Na1  1  0.61  0.0  0.05  1.0
  Na  Na2  1  0.72  0.0  0.13  1.0
  Ta  Ta3  1  0.67  0.0  0.59  1.0

data_KNa2Ta
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.83
_cell_length_b   5.99
_cell_length_c   7.19
_cell_angle_alpha   92.4
_cell_angle_beta   90.0
_cell_angle_gamma   103.67
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNa2Ta
_chemical_formula_sum   'K1 Na2 Ta1'
_cell_volume   118.42
_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  0.0  1.0
  Na  Na1  1  0.0  0.28  0.87  1.0
  Na  Na2  1  0.0  0.39  0.95  1.0
  Ta  Ta3  1  0.0  0.33  0.41  1.0

K Na Na Ta