<|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_HfSc3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.61
_cell_length_b   10.35
_cell_length_c   6.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HfSc3
_chemical_formula_sum   'Hf4 Sc12'
_cell_volume   378.02
_cell_formula_units_Z   4
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
  Hf  Hf0  1  0.45  0.76  0.11  1.0
  Hf  Hf1  1  0.36  0.59  0.85  1.0
  Hf  Hf2  1  0.25  0.76  0.66  1.0
  Hf  Hf3  1  0.16  0.59  0.4  1.0
  Sc  Sc4  1  0.15  0.59  0.72  1.0
  Sc  Sc5  1  0.36  0.01  0.44  1.0
  Sc  Sc6  1  0.36  0.16  0.44  1.0
  Sc  Sc7  1  0.45  0.18  0.7  1.0
  Sc  Sc8  1  0.45  0.34  0.7  1.0
  Sc  Sc9  1  0.27  0.76  0.47  1.0
  Sc  Sc10  1  0.35  0.59  0.04  1.0
  Sc  Sc11  1  0.17  0.01  0.81  1.0
  Sc  Sc12  1  0.17  0.16  0.81  1.0
  Sc  Sc13  1  0.25  0.18  0.07  1.0
  Sc  Sc14  1  0.25  0.34  0.07  1.0
  Sc  Sc15  1  0.46  0.76  0.79  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_HfSc3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.61
_cell_length_b   10.35
_cell_length_c   6.51
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   HfSc3
_chemical_formula_sum   'Hf4 Sc12'
_cell_volume   378.02
_cell_formula_units_Z   4
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
  Hf  Hf0  1  0.45  0.76  0.11  1.0
  Hf  Hf1  1  0.36  0.59  0.85  1.0
  Hf  Hf2  1  0.25  0.76  0.66  1.0
  Hf  Hf3  1  0.16  0.59  0.4  1.0
  Sc  Sc4  1  0.15  0.59  0.72  1.0
  Sc  Sc5  1  0.36  0.01  0.44  1.0
  Sc  Sc6  1  0.36  0.16  0.44  1.0
  Sc  Sc7  1  0.45  0.18  0.7  1.0
  Sc  Sc8  1  0.45  0.34  0.7  1.0
  Sc  Sc9  1  0.27  0.76  0.47  1.0
  Sc  Sc10  1  0.35  0.59  0.04  1.0
  Sc  Sc11  1  0.17  0.01  0.81  1.0
  Sc  Sc12  1  0.17  0.16  0.81  1.0
  Sc  Sc13  1  0.25  0.18  0.07  1.0
  Sc  Sc14  1  0.25  0.34  0.07  1.0
  Sc  Sc15  1  0.46  0.76  0.79  1.0

What is the crystal system of this material?