<|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_SrFe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.22
_cell_length_b   4.22
_cell_length_c   9.37
_cell_angle_alpha   92.95
_cell_angle_beta   92.95
_cell_angle_gamma   57.43
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrFe2
_chemical_formula_sum   'Sr2 Fe4'
_cell_volume   140.55
_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
  Sr  Sr4  1  0.5  0.0  0.45  1.0
  Sr  Sr5  1  0.36  0.0  0.9  1.0
  Fe  Fe0  1  0.97  0.0  0.99  1.0
  Fe  Fe1  1  0.31  0.0  0.07  1.0
  Fe  Fe2  1  0.55  0.0  0.29  1.0
  Fe  Fe3  1  0.88  0.0  0.36  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_SrFe2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.22
_cell_length_b   4.22
_cell_length_c   9.37
_cell_angle_alpha   92.95
_cell_angle_beta   92.95
_cell_angle_gamma   57.43
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrFe2
_chemical_formula_sum   'Sr2 Fe4'
_cell_volume   140.55
_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
  Sr  Sr4  1  0.5  0.0  0.45  1.0
  Sr  Sr5  1  0.36  0.0  0.9  1.0
  Fe  Fe0  1  0.97  0.0  0.99  1.0
  Fe  Fe1  1  0.31  0.0  0.07  1.0
  Fe  Fe2  1  0.55  0.0  0.29  1.0
  Fe  Fe3  1  0.88  0.0  0.36  1.0

What is the crystal system of this material?