<|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_Ge3Pt5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.38
_cell_length_b   7.38
_cell_length_c   5.5
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ge3Pt5
_chemical_formula_sum   'Ge6 Pt10'
_cell_volume   259.63
_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
  Ge  Ge0  1  0.54  0.53  0.12  1.0
  Ge  Ge1  1  0.77  0.86  0.37  1.0
  Ge  Ge2  1  0.92  0.0  0.12  1.0
  Ge  Ge3  1  0.46  0.53  0.37  1.0
  Ge  Ge4  1  0.46  0.0  0.37  1.0
  Ge  Ge5  1  0.23  0.86  0.12  1.0
  Pt  Pt6  1  0.14  0.5  0.37  1.0
  Pt  Pt7  1  0.17  0.9  0.12  1.0
  Pt  Pt8  1  0.73  0.0  0.37  1.0
  Pt  Pt9  1  0.86  0.5  0.12  1.0
  Pt  Pt10  1  0.0  0.26  0.0  1.0
  Pt  Pt11  1  0.0  0.26  0.75  1.0
  Pt  Pt12  1  0.69  0.13  0.0  1.0
  Pt  Pt13  1  0.69  0.13  0.75  1.0
  Pt  Pt14  1  0.66  0.0  0.12  1.0
  Pt  Pt15  1  0.83  0.9  0.37  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Ge3Pt5
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.38
_cell_length_b   7.38
_cell_length_c   5.5
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ge3Pt5
_chemical_formula_sum   'Ge6 Pt10'
_cell_volume   259.63
_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
  Ge  Ge0  1  0.54  0.53  0.12  1.0
  Ge  Ge1  1  0.77  0.86  0.37  1.0
  Ge  Ge2  1  0.92  0.0  0.12  1.0
  Ge  Ge3  1  0.46  0.53  0.37  1.0
  Ge  Ge4  1  0.46  0.0  0.37  1.0
  Ge  Ge5  1  0.23  0.86  0.12  1.0
  Pt  Pt6  1  0.14  0.5  0.37  1.0
  Pt  Pt7  1  0.17  0.9  0.12  1.0
  Pt  Pt8  1  0.73  0.0  0.37  1.0
  Pt  Pt9  1  0.86  0.5  0.12  1.0
  Pt  Pt10  1  0.0  0.26  0.0  1.0
  Pt  Pt11  1  0.0  0.26  0.75  1.0
  Pt  Pt12  1  0.69  0.13  0.0  1.0
  Pt  Pt13  1  0.69  0.13  0.75  1.0
  Pt  Pt14  1  0.66  0.0  0.12  1.0
  Pt  Pt15  1  0.83  0.9  0.37  1.0

What is the crystal system of this material?