<|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_Al3VSi3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.07
_cell_length_b   7.07
_cell_length_c   4.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al3VSi3
_chemical_formula_sum   'Al6 V2 Si6'
_cell_volume   204.68
_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
  Al  Al0  1  0.55  0.54  0.55  1.0
  Al  Al1  1  0.97  0.96  0.55  1.0
  Al  Al2  1  0.48  0.75  0.55  1.0
  Al  Al3  1  0.99  0.59  0.18  1.0
  Al  Al4  1  0.57  0.16  0.18  1.0
  Al  Al5  1  0.05  0.38  0.18  1.0
  V  V12  1  0.54  0.04  0.55  1.0
  V  V13  1  0.0  0.08  0.18  1.0
  Si  Si6  1  0.9  0.6  0.55  1.0
  Si  Si7  1  0.14  0.07  0.55  1.0
  Si  Si8  1  0.57  0.45  0.55  1.0
  Si  Si9  1  0.64  0.52  0.18  1.0
  Si  Si10  1  0.4  0.05  0.18  1.0
  Si  Si11  1  0.96  0.68  0.18  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Al3VSi3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.07
_cell_length_b   7.07
_cell_length_c   4.73
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Al3VSi3
_chemical_formula_sum   'Al6 V2 Si6'
_cell_volume   204.68
_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
  Al  Al0  1  0.55  0.54  0.55  1.0
  Al  Al1  1  0.97  0.96  0.55  1.0
  Al  Al2  1  0.48  0.75  0.55  1.0
  Al  Al3  1  0.99  0.59  0.18  1.0
  Al  Al4  1  0.57  0.16  0.18  1.0
  Al  Al5  1  0.05  0.38  0.18  1.0
  V  V12  1  0.54  0.04  0.55  1.0
  V  V13  1  0.0  0.08  0.18  1.0
  Si  Si6  1  0.9  0.6  0.55  1.0
  Si  Si7  1  0.14  0.07  0.55  1.0
  Si  Si8  1  0.57  0.45  0.55  1.0
  Si  Si9  1  0.64  0.52  0.18  1.0
  Si  Si10  1  0.4  0.05  0.18  1.0
  Si  Si11  1  0.96  0.68  0.18  1.0

What is the crystal system of this material?