<|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_Na3Sn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.03
_cell_length_b   10.15
_cell_length_c   6.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na3Sn
_chemical_formula_sum   'Na12 Sn4'
_cell_volume   508.21
_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
  Na  Na0  1  0.14  0.61  0.69  1.0
  Na  Na1  1  0.87  0.54  0.8  1.0
  Na  Na2  1  0.16  0.61  0.43  1.0
  Na  Na3  1  0.88  0.54  0.55  1.0
  Na  Na4  1  0.37  0.76  0.94  1.0
  Na  Na5  1  0.64  0.39  0.82  1.0
  Na  Na6  1  0.39  0.46  0.42  1.0
  Na  Na7  1  0.65  0.69  0.3  1.0
  Na  Na8  1  0.65  0.39  0.3  1.0
  Na  Na9  1  0.39  0.76  0.42  1.0
  Na  Na10  1  0.64  0.69  0.82  1.0
  Na  Na11  1  0.37  0.46  0.94  1.0
  Sn  Sn12  1  0.06  0.61  0.85  1.0
  Sn  Sn13  1  0.98  0.54  0.73  1.0
  Sn  Sn14  1  0.05  0.61  0.51  1.0
  Sn  Sn15  1  0.96  0.54  0.39  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Na3Sn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.03
_cell_length_b   10.15
_cell_length_c   6.24
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   90.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Na3Sn
_chemical_formula_sum   'Na12 Sn4'
_cell_volume   508.21
_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
  Na  Na0  1  0.14  0.61  0.69  1.0
  Na  Na1  1  0.87  0.54  0.8  1.0
  Na  Na2  1  0.16  0.61  0.43  1.0
  Na  Na3  1  0.88  0.54  0.55  1.0
  Na  Na4  1  0.37  0.76  0.94  1.0
  Na  Na5  1  0.64  0.39  0.82  1.0
  Na  Na6  1  0.39  0.46  0.42  1.0
  Na  Na7  1  0.65  0.69  0.3  1.0
  Na  Na8  1  0.65  0.39  0.3  1.0
  Na  Na9  1  0.39  0.76  0.42  1.0
  Na  Na10  1  0.64  0.69  0.82  1.0
  Na  Na11  1  0.37  0.46  0.94  1.0
  Sn  Sn12  1  0.06  0.61  0.85  1.0
  Sn  Sn13  1  0.98  0.54  0.73  1.0
  Sn  Sn14  1  0.05  0.61  0.51  1.0
  Sn  Sn15  1  0.96  0.54  0.39  1.0

What is the crystal system of this material?