<|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_Cr3Cu2NiSe8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.32
_cell_length_b   7.32
_cell_length_c   7.32
_cell_angle_alpha   59.77
_cell_angle_beta   59.77
_cell_angle_gamma   59.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr3Cu2NiSe8
_chemical_formula_sum   'Cr3 Cu2 Ni1 Se8'
_cell_volume   275.34
_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
  Cr  Cr0  1  0.18  0.05  0.99  1.0
  Cr  Cr1  1  0.0  0.9  0.99  1.0
  Cr  Cr2  1  0.82  0.05  0.99  1.0
  Cu  Cu3  1  0.0  0.0  0.73  1.0
  Cu  Cu4  1  0.0  0.0  0.22  1.0
  Ni  Ni5  1  0.0  0.0  0.0  1.0
  Se  Se6  1  0.0  0.0  0.34  1.0
  Se  Se7  1  0.05  0.12  0.52  1.0
  Se  Se8  1  0.0  0.75  0.52  1.0
  Se  Se9  1  0.95  0.12  0.52  1.0
  Se  Se10  1  0.0  0.0  0.6  1.0
  Se  Se11  1  0.95  0.88  0.43  1.0
  Se  Se12  1  0.0  0.25  0.43  1.0
  Se  Se13  1  0.05  0.88  0.43  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Cr3Cu2NiSe8
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.32
_cell_length_b   7.32
_cell_length_c   7.32
_cell_angle_alpha   59.77
_cell_angle_beta   59.77
_cell_angle_gamma   59.77
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr3Cu2NiSe8
_chemical_formula_sum   'Cr3 Cu2 Ni1 Se8'
_cell_volume   275.34
_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
  Cr  Cr0  1  0.18  0.05  0.99  1.0
  Cr  Cr1  1  0.0  0.9  0.99  1.0
  Cr  Cr2  1  0.82  0.05  0.99  1.0
  Cu  Cu3  1  0.0  0.0  0.73  1.0
  Cu  Cu4  1  0.0  0.0  0.22  1.0
  Ni  Ni5  1  0.0  0.0  0.0  1.0
  Se  Se6  1  0.0  0.0  0.34  1.0
  Se  Se7  1  0.05  0.12  0.52  1.0
  Se  Se8  1  0.0  0.75  0.52  1.0
  Se  Se9  1  0.95  0.12  0.52  1.0
  Se  Se10  1  0.0  0.0  0.6  1.0
  Se  Se11  1  0.95  0.88  0.43  1.0
  Se  Se12  1  0.0  0.25  0.43  1.0
  Se  Se13  1  0.05  0.88  0.43  1.0

What is the crystal system of this material?