data_ZrAlCu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.01
_cell_length_b   9.01
_cell_length_c   9.01
_cell_angle_alpha   18.54
_cell_angle_beta   18.54
_cell_angle_gamma   18.54
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrAlCu2
_chemical_formula_sum   'Zr1 Al1 Cu2'
_cell_volume   64.69
_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
  Zr  Zr3  1  0.0  0.0  0.21  1.0
  Al  Al0  1  0.0  0.0  0.91  1.0
  Cu  Cu1  1  0.0  0.0  0.03  1.0
  Cu  Cu2  1  0.0  0.0  0.71  1.0

data_ZrAlCu2
_symmetry_space_group_name_H-M   Cm
_cell_length_a   5.03
_cell_length_b   2.9
_cell_length_c   9.01
_cell_angle_alpha   90.0
_cell_angle_beta   100.72
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   8
_chemical_formula_structural   ZrAlCu2
_chemical_formula_sum   'Zr2 Al2 Cu4'
_cell_volume   129.38
_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
  Zr  Zr0  2  0.0  0.0  0.79  1.0
  Al  Al1  2  0.0  0.0  0.09  1.0
  Cu  Cu2  2  0.0  0.0  0.29  1.0
  Cu  Cu3  2  0.0  0.0  0.97  1.0

Zr Al Cu Cu