<|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_B4Ir5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.16
_cell_length_b   6.16
_cell_length_c   6.25
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   B4Ir5
_chemical_formula_sum   'B8 Ir10'
_cell_volume   205.52
_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
  B  B0  1  0.0  0.0  0.13  1.0
  B  B1  1  0.0  0.0  0.0  1.0
  B  B2  1  0.27  0.2  0.69  1.0
  B  B3  1  0.62  0.0  0.69  1.0
  B  B4  1  0.19  0.13  0.69  1.0
  B  B5  1  0.81  0.13  0.56  1.0
  B  B6  1  0.54  0.0  0.56  1.0
  B  B7  1  0.73  0.2  0.56  1.0
  Ir  Ir8  1  0.3  0.99  0.69  1.0
  Ir  Ir9  1  0.56  0.0  0.69  1.0
  Ir  Ir10  1  0.22  0.35  0.69  1.0
  Ir  Ir11  1  0.78  0.35  0.56  1.0
  Ir  Ir12  1  0.6  0.0  0.56  1.0
  Ir  Ir13  1  0.7  0.99  0.56  1.0
  Ir  Ir14  1  0.0  0.56  0.13  1.0
  Ir  Ir15  1  0.08  0.78  0.0  1.0
  Ir  Ir16  1  0.08  0.78  0.13  1.0
  Ir  Ir17  1  0.0  0.56  0.0  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_B4Ir5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.16
_cell_length_b   6.16
_cell_length_c   6.25
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   B4Ir5
_chemical_formula_sum   'B8 Ir10'
_cell_volume   205.52
_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
  B  B0  1  0.0  0.0  0.13  1.0
  B  B1  1  0.0  0.0  0.0  1.0
  B  B2  1  0.27  0.2  0.69  1.0
  B  B3  1  0.62  0.0  0.69  1.0
  B  B4  1  0.19  0.13  0.69  1.0
  B  B5  1  0.81  0.13  0.56  1.0
  B  B6  1  0.54  0.0  0.56  1.0
  B  B7  1  0.73  0.2  0.56  1.0
  Ir  Ir8  1  0.3  0.99  0.69  1.0
  Ir  Ir9  1  0.56  0.0  0.69  1.0
  Ir  Ir10  1  0.22  0.35  0.69  1.0
  Ir  Ir11  1  0.78  0.35  0.56  1.0
  Ir  Ir12  1  0.6  0.0  0.56  1.0
  Ir  Ir13  1  0.7  0.99  0.56  1.0
  Ir  Ir14  1  0.0  0.56  0.13  1.0
  Ir  Ir15  1  0.08  0.78  0.0  1.0
  Ir  Ir16  1  0.08  0.78  0.13  1.0
  Ir  Ir17  1  0.0  0.56  0.0  1.0

What is the crystal system of this material?