<|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_P3Au4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.02
_cell_length_b   11.02
_cell_length_c   11.02
_cell_angle_alpha   161.65
_cell_angle_beta   161.65
_cell_angle_gamma   26.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P3Au4
_chemical_formula_sum   'P3 Au4'
_cell_volume   132.65
_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
  P  P4  1  0.0  0.0  0.0  1.0
  P  P5  1  0.0  0.0  0.6  1.0
  P  P6  1  0.0  0.0  0.87  1.0
  Au  Au0  1  0.0  0.0  0.19  1.0
  Au  Au1  1  0.0  0.0  0.28  1.0
  Au  Au2  1  0.0  0.0  0.1  1.0
  Au  Au3  1  0.0  0.0  0.37  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_P3Au4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.02
_cell_length_b   11.02
_cell_length_c   11.02
_cell_angle_alpha   161.65
_cell_angle_beta   161.65
_cell_angle_gamma   26.07
_symmetry_Int_Tables_number   1
_chemical_formula_structural   P3Au4
_chemical_formula_sum   'P3 Au4'
_cell_volume   132.65
_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
  P  P4  1  0.0  0.0  0.0  1.0
  P  P5  1  0.0  0.0  0.6  1.0
  P  P6  1  0.0  0.0  0.87  1.0
  Au  Au0  1  0.0  0.0  0.19  1.0
  Au  Au1  1  0.0  0.0  0.28  1.0
  Au  Au2  1  0.0  0.0  0.1  1.0
  Au  Au3  1  0.0  0.0  0.37  1.0

What is the crystal system of this material?