<|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_ZrAu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.5
_cell_length_b   5.5
_cell_length_c   9.05
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrAu2
_chemical_formula_sum   'Zr4 Au8'
_cell_volume   236.74
_cell_formula_units_Z   4
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  Zr8  1  0.0  0.17  0.33  1.0
  Zr  Zr9  1  0.0  0.17  0.2  1.0
  Zr  Zr10  1  0.75  0.59  0.85  1.0
  Zr  Zr11  1  0.75  0.59  0.72  1.0
  Au  Au0  1  0.0  0.0  0.0  1.0
  Au  Au1  1  0.0  0.0  0.53  1.0
  Au  Au2  1  0.0  0.62  0.79  1.0
  Au  Au3  1  0.66  0.95  0.79  1.0
  Au  Au4  1  0.4  0.81  0.26  1.0
  Au  Au5  1  0.34  0.95  0.79  1.0
  Au  Au6  1  0.09  0.81  0.26  1.0
  Au  Au7  1  0.75  0.14  0.26  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_ZrAu2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.5
_cell_length_b   5.5
_cell_length_c   9.05
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ZrAu2
_chemical_formula_sum   'Zr4 Au8'
_cell_volume   236.74
_cell_formula_units_Z   4
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  Zr8  1  0.0  0.17  0.33  1.0
  Zr  Zr9  1  0.0  0.17  0.2  1.0
  Zr  Zr10  1  0.75  0.59  0.85  1.0
  Zr  Zr11  1  0.75  0.59  0.72  1.0
  Au  Au0  1  0.0  0.0  0.0  1.0
  Au  Au1  1  0.0  0.0  0.53  1.0
  Au  Au2  1  0.0  0.62  0.79  1.0
  Au  Au3  1  0.66  0.95  0.79  1.0
  Au  Au4  1  0.4  0.81  0.26  1.0
  Au  Au5  1  0.34  0.95  0.79  1.0
  Au  Au6  1  0.09  0.81  0.26  1.0
  Au  Au7  1  0.75  0.14  0.26  1.0

What is the crystal system of this material?