<|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_HoCuSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.52
_cell_length_b   4.52
_cell_length_c   7.22
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HoCuSn
_chemical_formula_sum   'Ho2 Cu2 Sn2'
_cell_volume   127.79
_cell_formula_units_Z   2
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
  Ho  Ho0  1  0.0  0.0  0.58  1.0
  Ho  Ho1  1  0.0  0.0  0.19  1.0
  Cu  Cu2  1  0.0  0.61  0.87  1.0
  Cu  Cu3  1  0.26  0.31  0.26  1.0
  Sn  Sn4  1  0.0  0.61  0.63  1.0
  Sn  Sn5  1  0.26  0.31  0.24  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_HoCuSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.52
_cell_length_b   4.52
_cell_length_c   7.22
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HoCuSn
_chemical_formula_sum   'Ho2 Cu2 Sn2'
_cell_volume   127.79
_cell_formula_units_Z   2
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
  Ho  Ho0  1  0.0  0.0  0.58  1.0
  Ho  Ho1  1  0.0  0.0  0.19  1.0
  Cu  Cu2  1  0.0  0.61  0.87  1.0
  Cu  Cu3  1  0.26  0.31  0.26  1.0
  Sn  Sn4  1  0.0  0.61  0.63  1.0
  Sn  Sn5  1  0.26  0.31  0.24  1.0

What is the crystal system of this material?