<|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_Zn5Ru3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.47
_cell_length_b   7.47
_cell_length_c   4.85
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn5Ru3
_chemical_formula_sum   'Zn10 Ru6'
_cell_volume   234.29
_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
  Zn  Zn6  1  0.12  0.52  0.21  1.0
  Zn  Zn7  1  0.14  0.95  0.64  1.0
  Zn  Zn8  1  0.76  0.0  0.21  1.0
  Zn  Zn9  1  0.88  0.52  0.64  1.0
  Zn  Zn10  1  0.0  0.31  0.0  1.0
  Zn  Zn11  1  0.0  0.31  0.42  1.0
  Zn  Zn12  1  0.74  0.16  0.0  1.0
  Zn  Zn13  1  0.74  0.16  0.42  1.0
  Zn  Zn14  1  0.71  0.0  0.64  1.0
  Zn  Zn15  1  0.86  0.95  0.21  1.0
  Ru  Ru0  1  0.52  0.57  0.64  1.0
  Ru  Ru1  1  0.75  0.9  0.21  1.0
  Ru  Ru2  1  0.96  0.0  0.64  1.0
  Ru  Ru3  1  0.48  0.57  0.21  1.0
  Ru  Ru4  1  0.51  0.0  0.21  1.0
  Ru  Ru5  1  0.25  0.9  0.64  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Zn5Ru3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.47
_cell_length_b   7.47
_cell_length_c   4.85
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Zn5Ru3
_chemical_formula_sum   'Zn10 Ru6'
_cell_volume   234.29
_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
  Zn  Zn6  1  0.12  0.52  0.21  1.0
  Zn  Zn7  1  0.14  0.95  0.64  1.0
  Zn  Zn8  1  0.76  0.0  0.21  1.0
  Zn  Zn9  1  0.88  0.52  0.64  1.0
  Zn  Zn10  1  0.0  0.31  0.0  1.0
  Zn  Zn11  1  0.0  0.31  0.42  1.0
  Zn  Zn12  1  0.74  0.16  0.0  1.0
  Zn  Zn13  1  0.74  0.16  0.42  1.0
  Zn  Zn14  1  0.71  0.0  0.64  1.0
  Zn  Zn15  1  0.86  0.95  0.21  1.0
  Ru  Ru0  1  0.52  0.57  0.64  1.0
  Ru  Ru1  1  0.75  0.9  0.21  1.0
  Ru  Ru2  1  0.96  0.0  0.64  1.0
  Ru  Ru3  1  0.48  0.57  0.21  1.0
  Ru  Ru4  1  0.51  0.0  0.21  1.0
  Ru  Ru5  1  0.25  0.9  0.64  1.0

What is the crystal system of this material?