<|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_Re4Ni5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.22
_cell_length_b   7.22
_cell_length_c   5.12
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Re4Ni5
_chemical_formula_sum   'Re8 Ni10'
_cell_volume   231.62
_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
  Re  Re10  1  0.0  0.0  0.56  1.0
  Re  Re11  1  0.0  0.0  0.0  1.0
  Re  Re12  1  0.78  0.0  0.84  1.0
  Re  Re13  1  0.61  0.14  0.84  1.0
  Re  Re14  1  0.22  0.12  0.84  1.0
  Re  Re15  1  0.45  0.0  0.28  1.0
  Re  Re16  1  0.78  0.12  0.28  1.0
  Re  Re17  1  0.39  0.14  0.28  1.0
  Ni  Ni0  1  0.39  0.0  0.84  1.0
  Ni  Ni1  1  0.81  0.07  0.84  1.0
  Ni  Ni2  1  0.42  0.19  0.84  1.0
  Ni  Ni3  1  0.84  0.0  0.28  1.0
  Ni  Ni4  1  0.58  0.19  0.28  1.0
  Ni  Ni5  1  0.19  0.07  0.28  1.0
  Ni  Ni6  1  0.0  0.17  0.56  1.0
  Ni  Ni7  1  0.61  0.09  0.0  1.0
  Ni  Ni8  1  0.61  0.09  0.56  1.0
  Ni  Ni9  1  0.0  0.17  0.0  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Re4Ni5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.22
_cell_length_b   7.22
_cell_length_c   5.12
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Re4Ni5
_chemical_formula_sum   'Re8 Ni10'
_cell_volume   231.62
_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
  Re  Re10  1  0.0  0.0  0.56  1.0
  Re  Re11  1  0.0  0.0  0.0  1.0
  Re  Re12  1  0.78  0.0  0.84  1.0
  Re  Re13  1  0.61  0.14  0.84  1.0
  Re  Re14  1  0.22  0.12  0.84  1.0
  Re  Re15  1  0.45  0.0  0.28  1.0
  Re  Re16  1  0.78  0.12  0.28  1.0
  Re  Re17  1  0.39  0.14  0.28  1.0
  Ni  Ni0  1  0.39  0.0  0.84  1.0
  Ni  Ni1  1  0.81  0.07  0.84  1.0
  Ni  Ni2  1  0.42  0.19  0.84  1.0
  Ni  Ni3  1  0.84  0.0  0.28  1.0
  Ni  Ni4  1  0.58  0.19  0.28  1.0
  Ni  Ni5  1  0.19  0.07  0.28  1.0
  Ni  Ni6  1  0.0  0.17  0.56  1.0
  Ni  Ni7  1  0.61  0.09  0.0  1.0
  Ni  Ni8  1  0.61  0.09  0.56  1.0
  Ni  Ni9  1  0.0  0.17  0.0  1.0

What is the crystal system of this material?