<|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_Ta2Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.55
_cell_length_b   9.55
_cell_length_c   9.55
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2Bi
_chemical_formula_sum   'Ta16 Bi8'
_cell_volume   616.69
_cell_formula_units_Z   8
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  Ta8  1  0.69  0.07  0.07  1.0
  Ta  Ta9  1  0.07  0.69  0.07  1.0
  Ta  Ta10  1  0.69  0.69  0.69  1.0
  Ta  Ta11  1  0.07  0.07  0.69  1.0
  Ta  Ta12  1  0.13  0.13  0.97  1.0
  Ta  Ta13  1  0.3  0.13  0.13  1.0
  Ta  Ta14  1  0.13  0.3  0.13  1.0
  Ta  Ta15  1  0.13  0.97  0.13  1.0
  Ta  Ta16  1  0.97  0.13  0.13  1.0
  Ta  Ta17  1  0.13  0.13  0.3  1.0
  Ta  Ta18  1  0.76  0.76  0.92  1.0
  Ta  Ta19  1  0.59  0.76  0.76  1.0
  Ta  Ta20  1  0.76  0.59  0.76  1.0
  Ta  Ta21  1  0.76  0.92  0.76  1.0
  Ta  Ta22  1  0.92  0.76  0.76  1.0
  Ta  Ta23  1  0.76  0.76  0.59  1.0
  Bi  Bi0  1  0.63  0.63  0.88  1.0
  Bi  Bi1  1  0.88  0.88  0.88  1.0
  Bi  Bi2  1  0.63  0.88  0.63  1.0
  Bi  Bi3  1  0.88  0.63  0.63  1.0
  Bi  Bi4  1  0.26  0.26  0.01  1.0
  Bi  Bi5  1  0.01  0.01  0.01  1.0
  Bi  Bi6  1  0.26  0.01  0.26  1.0
  Bi  Bi7  1  0.01  0.26  0.26  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Ta2Bi
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.55
_cell_length_b   9.55
_cell_length_c   9.55
_cell_angle_alpha   60.0
_cell_angle_beta   60.0
_cell_angle_gamma   60.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ta2Bi
_chemical_formula_sum   'Ta16 Bi8'
_cell_volume   616.69
_cell_formula_units_Z   8
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  Ta8  1  0.69  0.07  0.07  1.0
  Ta  Ta9  1  0.07  0.69  0.07  1.0
  Ta  Ta10  1  0.69  0.69  0.69  1.0
  Ta  Ta11  1  0.07  0.07  0.69  1.0
  Ta  Ta12  1  0.13  0.13  0.97  1.0
  Ta  Ta13  1  0.3  0.13  0.13  1.0
  Ta  Ta14  1  0.13  0.3  0.13  1.0
  Ta  Ta15  1  0.13  0.97  0.13  1.0
  Ta  Ta16  1  0.97  0.13  0.13  1.0
  Ta  Ta17  1  0.13  0.13  0.3  1.0
  Ta  Ta18  1  0.76  0.76  0.92  1.0
  Ta  Ta19  1  0.59  0.76  0.76  1.0
  Ta  Ta20  1  0.76  0.59  0.76  1.0
  Ta  Ta21  1  0.76  0.92  0.76  1.0
  Ta  Ta22  1  0.92  0.76  0.76  1.0
  Ta  Ta23  1  0.76  0.76  0.59  1.0
  Bi  Bi0  1  0.63  0.63  0.88  1.0
  Bi  Bi1  1  0.88  0.88  0.88  1.0
  Bi  Bi2  1  0.63  0.88  0.63  1.0
  Bi  Bi3  1  0.88  0.63  0.63  1.0
  Bi  Bi4  1  0.26  0.26  0.01  1.0
  Bi  Bi5  1  0.01  0.01  0.01  1.0
  Bi  Bi6  1  0.26  0.01  0.26  1.0
  Bi  Bi7  1  0.01  0.26  0.26  1.0

What is the crystal system of this material?