<|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_TaAsBr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.2
_cell_length_b   7.2
_cell_length_c   7.2
_cell_angle_alpha   155.4
_cell_angle_beta   153.55
_cell_angle_gamma   36.43
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaAsBr
_chemical_formula_sum   'Ta1 As1 Br1'
_cell_volume   69.0
_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
  Ta  Ta2  1  0.0  0.0  0.62  1.0
  As  As0  1  0.0  0.0  0.03  1.0
  Br  Br1  1  0.0  0.0  0.69  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_TaAsBr
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.2
_cell_length_b   7.2
_cell_length_c   7.2
_cell_angle_alpha   155.4
_cell_angle_beta   153.55
_cell_angle_gamma   36.43
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TaAsBr
_chemical_formula_sum   'Ta1 As1 Br1'
_cell_volume   69.0
_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
  Ta  Ta2  1  0.0  0.0  0.62  1.0
  As  As0  1  0.0  0.0  0.03  1.0
  Br  Br1  1  0.0  0.0  0.69  1.0

What is the crystal system of this material?