<|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_Ca5C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.92
_cell_length_b   6.92
_cell_length_c   8.09
_cell_angle_alpha   96.32
_cell_angle_beta   96.32
_cell_angle_gamma   30.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ca5C
_chemical_formula_sum   'Ca5 C1'
_cell_volume   196.2
_cell_formula_units_Z   1
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
  Ca  Ca1  1  0.2  0.0  0.48  1.0
  Ca  Ca2  1  0.92  0.0  0.33  1.0
  Ca  Ca3  1  0.68  0.0  0.23  1.0
  Ca  Ca4  1  0.7  0.0  0.73  1.0
  Ca  Ca5  1  0.4  0.0  0.11  1.0
  C  C0  1  0.07  0.0  0.22  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Ca5C
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.92
_cell_length_b   6.92
_cell_length_c   8.09
_cell_angle_alpha   96.32
_cell_angle_beta   96.32
_cell_angle_gamma   30.62
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Ca5C
_chemical_formula_sum   'Ca5 C1'
_cell_volume   196.2
_cell_formula_units_Z   1
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
  Ca  Ca1  1  0.2  0.0  0.48  1.0
  Ca  Ca2  1  0.92  0.0  0.33  1.0
  Ca  Ca3  1  0.68  0.0  0.23  1.0
  Ca  Ca4  1  0.7  0.0  0.73  1.0
  Ca  Ca5  1  0.4  0.0  0.11  1.0
  C  C0  1  0.07  0.0  0.22  1.0

What is the crystal system of this material?