data_KNbNi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.56
_cell_length_b   7.56
_cell_length_c   7.56
_cell_angle_alpha   156.39
_cell_angle_beta   156.39
_cell_angle_gamma   33.64
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNbNi
_chemical_formula_sum   'K1 Nb1 Ni1'
_cell_volume   69.24
_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  0.27  1.0
  Nb  Nb1  1  0.0  0.0  0.09  1.0
  Ni  Ni2  1  0.0  0.0  0.11  1.0

data_KNbNi
_symmetry_space_group_name_H-M   Cm
_cell_length_a   4.37
_cell_length_b   4.37
_cell_length_c   7.56
_cell_angle_alpha   90.0
_cell_angle_beta   106.82
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   KNbNi
_chemical_formula_sum   'K2 Nb2 Ni2'
_cell_volume   138.48
_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+1/2, y+1/2, z'
  4  'x+1/2, -y+1/2, 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  2  0.0  0.0  0.73  1.0
  Nb  Nb1  2  0.0  0.0  0.91  1.0
  Ni  Ni2  2  0.0  0.0  0.89  1.0

K Nb Ni