<|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_K4Zr5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.9
_cell_length_b   5.9
_cell_length_c   10.6
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K4Zr5O12
_chemical_formula_sum   'K4 Zr5 O12'
_cell_volume   319.89
_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
  K  K0  1  0.95  0.7  0.2  1.0
  K  K1  1  0.0  0.41  0.4  1.0
  K  K2  1  0.0  0.0  0.4  1.0
  K  K3  1  0.0  0.0  0.19  1.0
  Zr  Zr4  1  0.95  0.7  0.3  1.0
  Zr  Zr5  1  0.0  0.41  0.3  1.0
  Zr  Zr6  1  0.95  0.7  0.04  1.0
  Zr  Zr7  1  0.0  0.41  0.55  1.0
  Zr  Zr8  1  0.0  0.0  0.0  1.0
  O  O9  1  0.34  0.51  0.6  1.0
  O  O10  1  0.56  0.51  0.6  1.0
  O  O11  1  0.95  0.1  0.6  1.0
  O  O12  1  0.39  0.61  0.0  1.0
  O  O13  1  0.61  0.61  0.0  1.0
  O  O14  1  0.0  0.02  0.0  1.0
  O  O15  1  0.46  0.84  0.31  1.0
  O  O16  1  0.44  0.84  0.31  1.0
  O  O17  1  0.95  0.43  0.31  1.0
  O  O18  1  0.0  0.69  0.29  1.0
  O  O19  1  0.49  0.27  0.29  1.0
  O  O20  1  0.51  0.27  0.29  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_K4Zr5O12
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.9
_cell_length_b   5.9
_cell_length_c   10.6
_cell_angle_alpha   90.0
_cell_angle_beta   90.0
_cell_angle_gamma   120.0
_symmetry_Int_Tables_number   1
_chemical_formula_structural   K4Zr5O12
_chemical_formula_sum   'K4 Zr5 O12'
_cell_volume   319.89
_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
  K  K0  1  0.95  0.7  0.2  1.0
  K  K1  1  0.0  0.41  0.4  1.0
  K  K2  1  0.0  0.0  0.4  1.0
  K  K3  1  0.0  0.0  0.19  1.0
  Zr  Zr4  1  0.95  0.7  0.3  1.0
  Zr  Zr5  1  0.0  0.41  0.3  1.0
  Zr  Zr6  1  0.95  0.7  0.04  1.0
  Zr  Zr7  1  0.0  0.41  0.55  1.0
  Zr  Zr8  1  0.0  0.0  0.0  1.0
  O  O9  1  0.34  0.51  0.6  1.0
  O  O10  1  0.56  0.51  0.6  1.0
  O  O11  1  0.95  0.1  0.6  1.0
  O  O12  1  0.39  0.61  0.0  1.0
  O  O13  1  0.61  0.61  0.0  1.0
  O  O14  1  0.0  0.02  0.0  1.0
  O  O15  1  0.46  0.84  0.31  1.0
  O  O16  1  0.44  0.84  0.31  1.0
  O  O17  1  0.95  0.43  0.31  1.0
  O  O18  1  0.0  0.69  0.29  1.0
  O  O19  1  0.49  0.27  0.29  1.0
  O  O20  1  0.51  0.27  0.29  1.0

What is the crystal system of this material?