<|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_Tl2Pb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.73
_cell_length_b   7.68
_cell_length_c   13.84
_cell_angle_alpha   57.9
_cell_angle_beta   33.7
_cell_angle_gamma   88.4
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl2Pb3
_chemical_formula_sum   'Tl4 Pb6'
_cell_volume   277.7
_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
  Tl  Tl6  1  0.17  0.9  0.13  1.0
  Tl  Tl7  1  0.87  0.35  0.13  1.0
  Tl  Tl8  1  0.41  0.16  0.34  1.0
  Tl  Tl9  1  0.63  0.09  0.34  1.0
  Pb  Pb0  1  0.64  0.19  0.22  1.0
  Pb  Pb1  1  0.4  0.06  0.22  1.0
  Pb  Pb2  1  0.4  0.87  0.02  1.0
  Pb  Pb3  1  0.16  0.0  0.02  1.0
  Pb  Pb4  1  0.52  0.62  0.82  1.0
  Pb  Pb5  1  0.76  0.81  0.43  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Tl2Pb3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   11.73
_cell_length_b   7.68
_cell_length_c   13.84
_cell_angle_alpha   57.9
_cell_angle_beta   33.7
_cell_angle_gamma   88.4
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tl2Pb3
_chemical_formula_sum   'Tl4 Pb6'
_cell_volume   277.7
_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
  Tl  Tl6  1  0.17  0.9  0.13  1.0
  Tl  Tl7  1  0.87  0.35  0.13  1.0
  Tl  Tl8  1  0.41  0.16  0.34  1.0
  Tl  Tl9  1  0.63  0.09  0.34  1.0
  Pb  Pb0  1  0.64  0.19  0.22  1.0
  Pb  Pb1  1  0.4  0.06  0.22  1.0
  Pb  Pb2  1  0.4  0.87  0.02  1.0
  Pb  Pb3  1  0.16  0.0  0.02  1.0
  Pb  Pb4  1  0.52  0.62  0.82  1.0
  Pb  Pb5  1  0.76  0.81  0.43  1.0

What is the crystal system of this material?