data_KNaCr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.36
_cell_length_b   8.35
_cell_length_c   3.77
_cell_angle_alpha   77.12
_cell_angle_beta   76.78
_cell_angle_gamma   26.09
_symmetry_Int_Tables_number   1
_chemical_formula_structural   KNaCr
_chemical_formula_sum   'K1 Na1 Cr1'
_cell_volume   112.5
_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  0.65  0.68  0.24  1.0
  Na  Na2  1  0.65  0.68  0.79  1.0
  Cr  Cr0  1  0.65  0.68  0.63  1.0

data_KNaCr
_symmetry_space_group_name_H-M   Imm2
_cell_length_a   3.77
_cell_length_b   15.83
_cell_length_c   3.77
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   44
_chemical_formula_structural   KNaCr
_chemical_formula_sum   'K2 Na2 Cr2'
_cell_volume   225.01
_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  0.0  0.88  1.0
  Na  Na1  2  0.0  0.0  0.43  1.0
  Cr  Cr2  2  0.0  0.0  0.28  1.0

K Na Cr