data_ZnCrCu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   2.57
_cell_length_b   2.57
_cell_length_c   6.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnCrCu
_chemical_formula_sum   'Zn1 Cr1 Cu1'
_cell_volume   37.51
_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
  Zn  Zn2  1  0.28  0.74  0.36  1.0
  Cr  Cr0  1  0.0  0.0  0.04  1.0
  Cu  Cu1  1  0.0  0.48  0.17  1.0

data_ZnCrCu
_symmetry_space_group_name_H-M   P1
_cell_length_a   2.57
_cell_length_b   2.57
_cell_length_c   6.56
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZnCrCu
_chemical_formula_sum   'Zn1 Cr1 Cu1'
_cell_volume   37.51
_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
  Zn  Zn0  1  0.28  0.74  0.36  1.0
  Cr  Cr1  1  0.0  0.0  0.04  1.0
  Cu  Cu2  1  -0.0  0.48  0.17  1.0

Zn Cr Cu