data_K3Ta
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.44
_cell_length_b   7.44
_cell_length_c   3.46
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   117.13
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K3Ta
_chemical_formula_sum   'K3 Ta1'
_cell_volume   170.17
_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  0.94  0.83  0.73  1.0
  K  K1  1  0.94  0.17  0.73  1.0
  K  K2  1  0.0  0.0  0.0  1.0
  Ta  Ta3  1  0.88  0.0  0.0  1.0

data_K3Ta
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.46
_cell_length_b   7.44
_cell_length_c   7.44
_cell_angle_alpha   117.13
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K3Ta
_chemical_formula_sum   'K3 Ta1'
_cell_volume   170.17
_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
  K  K1  1  0.73  0.94  0.83  1.0
  K  K2  1  0.73  0.94  0.17  1.0
  Ta  Ta3  1  0.0  0.88  0.0  1.0

K K K Ta
K K K Ta 0 2 + + + 1 3 o o + 2 3 - o o 