data_KNaBi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.8
_cell_length_b   6.78
_cell_length_c   4.27
_cell_angle_alpha   71.99
_cell_angle_beta   71.37
_cell_angle_gamma   36.64
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaBi
_chemical_formula_sum   'K1 Na1 Bi1'
_cell_volume   110.71
_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  K1  1  0.99  0.04  0.99  1.0
  Na  Na2  1  0.99  0.04  0.53  1.0
  Bi  Bi0  1  0.99  0.04  0.8  1.0

data_KNaBi
_symmetry_space_group_name_H-M   Imm2
_cell_length_a   4.27
_cell_length_b   12.16
_cell_length_c   4.27
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   44
_chemical_formula_structural   KNaBi
_chemical_formula_sum   'K2 Na2 Bi2'
_cell_volume   221.46
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
  2  '-x, -y, z'
  3  '-x, y, z'
  4  'x, -y, z'
  5  'x+1/2, y+1/2, z+1/2'
  6  '-x+1/2, -y+1/2, z+1/2'
  7  '-x+1/2, y+1/2, z+1/2'
  8  'x+1/2, -y+1/2, z+1/2'
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  2  0.0  0.5  0.98  1.0
  Na  Na1  2  0.0  0.5  0.52  1.0
  Bi  Bi2  2  0.0  0.5  0.79  1.0

K Na Bi