<|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_Ir2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.57
_cell_length_b   9.57
_cell_length_c   5.03
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ir2W
_chemical_formula_sum   'Ir20 W10'
_cell_volume   460.22
_cell_formula_units_Z   10
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  Ir0  1  0.64  0.93  0.52  1.0
  Ir  Ir1  1  0.93  0.64  0.52  1.0
  Ir  Ir2  1  0.86  0.86  0.0  1.0
  Ir  Ir3  1  0.71  0.71  0.0  1.0
  Ir  Ir4  1  0.03  0.45  0.52  1.0
  Ir  Ir5  1  0.54  0.11  0.52  1.0
  Ir  Ir6  1  0.33  0.25  0.0  1.0
  Ir  Ir7  1  0.23  0.32  0.0  1.0
  Ir  Ir8  1  0.32  0.23  0.0  1.0
  Ir  Ir9  1  0.25  0.33  0.0  1.0
  Ir  Ir10  1  0.45  0.03  0.52  1.0
  Ir  Ir11  1  0.11  0.54  0.52  1.0
  Ir  Ir12  1  0.43  0.32  0.52  1.0
  Ir  Ir13  1  0.14  0.24  0.52  1.0
  Ir  Ir14  1  0.02  0.65  0.0  1.0
  Ir  Ir15  1  0.54  0.92  0.0  1.0
  Ir  Ir16  1  0.92  0.54  0.0  1.0
  Ir  Ir17  1  0.65  0.02  0.0  1.0
  Ir  Ir18  1  0.32  0.43  0.52  1.0
  Ir  Ir19  1  0.24  0.14  0.52  1.0
  W  W20  1  0.78  0.78  0.52  1.0
  W  W21  1  0.0  0.0  0.0  1.0
  W  W22  1  0.81  0.81  0.77  1.0
  W  W23  1  0.75  0.75  0.77  1.0
  W  W24  1  0.53  0.03  0.26  1.0
  W  W25  1  0.03  0.53  0.26  1.0
  W  W26  1  0.53  0.03  0.77  1.0
  W  W27  1  0.03  0.53  0.77  1.0
  W  W28  1  0.81  0.81  0.26  1.0
  W  W29  1  0.75  0.75  0.26  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Ir2W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.57
_cell_length_b   9.57
_cell_length_c   5.03
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ir2W
_chemical_formula_sum   'Ir20 W10'
_cell_volume   460.22
_cell_formula_units_Z   10
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  Ir0  1  0.64  0.93  0.52  1.0
  Ir  Ir1  1  0.93  0.64  0.52  1.0
  Ir  Ir2  1  0.86  0.86  0.0  1.0
  Ir  Ir3  1  0.71  0.71  0.0  1.0
  Ir  Ir4  1  0.03  0.45  0.52  1.0
  Ir  Ir5  1  0.54  0.11  0.52  1.0
  Ir  Ir6  1  0.33  0.25  0.0  1.0
  Ir  Ir7  1  0.23  0.32  0.0  1.0
  Ir  Ir8  1  0.32  0.23  0.0  1.0
  Ir  Ir9  1  0.25  0.33  0.0  1.0
  Ir  Ir10  1  0.45  0.03  0.52  1.0
  Ir  Ir11  1  0.11  0.54  0.52  1.0
  Ir  Ir12  1  0.43  0.32  0.52  1.0
  Ir  Ir13  1  0.14  0.24  0.52  1.0
  Ir  Ir14  1  0.02  0.65  0.0  1.0
  Ir  Ir15  1  0.54  0.92  0.0  1.0
  Ir  Ir16  1  0.92  0.54  0.0  1.0
  Ir  Ir17  1  0.65  0.02  0.0  1.0
  Ir  Ir18  1  0.32  0.43  0.52  1.0
  Ir  Ir19  1  0.24  0.14  0.52  1.0
  W  W20  1  0.78  0.78  0.52  1.0
  W  W21  1  0.0  0.0  0.0  1.0
  W  W22  1  0.81  0.81  0.77  1.0
  W  W23  1  0.75  0.75  0.77  1.0
  W  W24  1  0.53  0.03  0.26  1.0
  W  W25  1  0.03  0.53  0.26  1.0
  W  W26  1  0.53  0.03  0.77  1.0
  W  W27  1  0.03  0.53  0.77  1.0
  W  W28  1  0.81  0.81  0.26  1.0
  W  W29  1  0.75  0.75  0.26  1.0

What is the crystal system of this material?