<|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_Sm3W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.85
_cell_length_b   6.85
_cell_length_c   5.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sm3W
_chemical_formula_sum   'Sm6 W2'
_cell_volume   215.58
_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
  Sm  Sm0  1  0.0  0.08  0.98  1.0
  Sm  Sm1  1  0.62  0.89  0.98  1.0
  Sm  Sm2  1  0.38  0.89  0.98  1.0
  Sm  Sm3  1  0.43  0.85  0.33  1.0
  Sm  Sm4  1  0.81  0.04  0.33  1.0
  Sm  Sm5  1  0.04  0.04  0.33  1.0
  W  W6  1  0.0  0.96  0.33  1.0
  W  W7  1  0.43  0.98  0.98  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Sm3W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.85
_cell_length_b   6.85
_cell_length_c   5.3
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Sm3W
_chemical_formula_sum   'Sm6 W2'
_cell_volume   215.58
_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
  Sm  Sm0  1  0.0  0.08  0.98  1.0
  Sm  Sm1  1  0.62  0.89  0.98  1.0
  Sm  Sm2  1  0.38  0.89  0.98  1.0
  Sm  Sm3  1  0.43  0.85  0.33  1.0
  Sm  Sm4  1  0.81  0.04  0.33  1.0
  Sm  Sm5  1  0.04  0.04  0.33  1.0
  W  W6  1  0.0  0.96  0.33  1.0
  W  W7  1  0.43  0.98  0.98  1.0

What is the crystal system of this material?