data_YZn2Cu
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.41
_cell_length_b   4.41
_cell_length_c   5.19
_cell_angle_alpha   110.72
_cell_angle_beta   110.72
_cell_angle_gamma   52.33
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YZn2Cu
_chemical_formula_sum   'Y1 Zn2 Cu1'
_cell_volume   73.56
_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
  Y  Y1  1  0.45  0.0  0.54  1.0
  Zn  Zn2  1  0.02  0.0  0.49  1.0
  Zn  Zn3  1  0.44  0.0  0.25  1.0
  Cu  Cu0  1  0.92  0.0  0.87  1.0

data_YZn2Cu
_symmetry_space_group_name_H-M   P1
_cell_length_a   3.89
_cell_length_b   4.41
_cell_length_c   5.19
_cell_angle_alpha   110.72
_cell_angle_beta   90.0
_cell_angle_gamma   116.17
_symmetry_Int_Tables_number   1
_chemical_formula_structural   YZn2Cu
_chemical_formula_sum   'Y1 Zn2 Cu1'
_cell_volume   73.56
_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
  Y  Y0  1  0.0  0.55  0.46  1.0
  Zn  Zn1  1  0.0  0.56  0.75  1.0
  Zn  Zn2  1  0.0  0.98  0.51  1.0
  Cu  Cu3  1  0.0  0.08  0.13  1.0

Y Zn Zn Cu