<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following CIF representation:
data_Ir2Au
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.57
_cell_length_b   8.57
_cell_length_c   8.57
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ir2Au
_chemical_formula_sum   'Ir16 Au8'
_cell_volume   445.37
_cell_formula_units_Z   8
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
  Ir  Ir8  1  0.52  0.55  0.55  1.0
  Ir  Ir9  1  0.55  0.52  0.55  1.0
  Ir  Ir10  1  0.55  0.55  0.52  1.0
  Ir  Ir11  1  0.52  0.52  0.52  1.0
  Ir  Ir12  1  0.06  0.06  0.93  1.0
  Ir  Ir13  1  0.06  0.93  0.06  1.0
  Ir  Ir14  1  0.93  0.06  0.06  1.0
  Ir  Ir15  1  0.2  0.06  0.06  1.0
  Ir  Ir16  1  0.06  0.2  0.06  1.0
  Ir  Ir17  1  0.06  0.06  0.2  1.0
  Ir  Ir18  1  0.09  0.09  0.23  1.0
  Ir  Ir19  1  0.09  0.23  0.09  1.0
  Ir  Ir20  1  0.23  0.09  0.09  1.0
  Ir  Ir21  1  0.96  0.09  0.09  1.0
  Ir  Ir22  1  0.09  0.96  0.09  1.0
  Ir  Ir23  1  0.09  0.09  0.96  1.0
  Au  Au0  1  0.79  0.79  0.79  1.0
  Au  Au1  1  0.4  0.4  0.79  1.0
  Au  Au2  1  0.4  0.79  0.4  1.0
  Au  Au3  1  0.79  0.4  0.4  1.0
  Au  Au4  1  0.37  0.37  0.37  1.0
  Au  Au5  1  0.76  0.76  0.37  1.0
  Au  Au6  1  0.76  0.37  0.76  1.0
  Au  Au7  1  0.37  0.76  0.76  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Ir2Au
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.57
_cell_length_b   8.57
_cell_length_c   8.57
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ir2Au
_chemical_formula_sum   'Ir16 Au8'
_cell_volume   445.37
_cell_formula_units_Z   8
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
  Ir  Ir8  1  0.52  0.55  0.55  1.0
  Ir  Ir9  1  0.55  0.52  0.55  1.0
  Ir  Ir10  1  0.55  0.55  0.52  1.0
  Ir  Ir11  1  0.52  0.52  0.52  1.0
  Ir  Ir12  1  0.06  0.06  0.93  1.0
  Ir  Ir13  1  0.06  0.93  0.06  1.0
  Ir  Ir14  1  0.93  0.06  0.06  1.0
  Ir  Ir15  1  0.2  0.06  0.06  1.0
  Ir  Ir16  1  0.06  0.2  0.06  1.0
  Ir  Ir17  1  0.06  0.06  0.2  1.0
  Ir  Ir18  1  0.09  0.09  0.23  1.0
  Ir  Ir19  1  0.09  0.23  0.09  1.0
  Ir  Ir20  1  0.23  0.09  0.09  1.0
  Ir  Ir21  1  0.96  0.09  0.09  1.0
  Ir  Ir22  1  0.09  0.96  0.09  1.0
  Ir  Ir23  1  0.09  0.09  0.96  1.0
  Au  Au0  1  0.79  0.79  0.79  1.0
  Au  Au1  1  0.4  0.4  0.79  1.0
  Au  Au2  1  0.4  0.79  0.4  1.0
  Au  Au3  1  0.79  0.4  0.4  1.0
  Au  Au4  1  0.37  0.37  0.37  1.0
  Au  Au5  1  0.76  0.76  0.37  1.0
  Au  Au6  1  0.76  0.37  0.76  1.0
  Au  Au7  1  0.37  0.76  0.76  1.0

What is the crystal system of this material?