<|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_Nd3I2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.24
_cell_length_b   9.24
_cell_length_c   9.24
_cell_angle_alpha   44.63
_cell_angle_beta   44.63
_cell_angle_gamma   44.63
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Nd3I2
_chemical_formula_sum   'Nd6 I4'
_cell_volume   354.55
_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
  Nd  Nd4  1  0.73  0.88  0.54  1.0
  Nd  Nd5  1  0.24  0.09  0.54  1.0
  Nd  Nd6  1  0.03  0.03  0.54  1.0
  Nd  Nd7  1  0.97  0.97  0.38  1.0
  Nd  Nd8  1  0.76  0.91  0.38  1.0
  Nd  Nd9  1  0.27  0.12  0.38  1.0
  I  I0  1  0.0  0.0  0.25  1.0
  I  I1  1  0.0  0.0  0.21  1.0
  I  I2  1  0.0  0.0  0.71  1.0
  I  I3  1  0.0  0.0  0.67  1.0

What is the crystal system of this material?<|im_end|>
<|im_start|>assistant
Given the following CIF representation:
data_Nd3I2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   9.24
_cell_length_b   9.24
_cell_length_c   9.24
_cell_angle_alpha   44.63
_cell_angle_beta   44.63
_cell_angle_gamma   44.63
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Nd3I2
_chemical_formula_sum   'Nd6 I4'
_cell_volume   354.55
_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
  Nd  Nd4  1  0.73  0.88  0.54  1.0
  Nd  Nd5  1  0.24  0.09  0.54  1.0
  Nd  Nd6  1  0.03  0.03  0.54  1.0
  Nd  Nd7  1  0.97  0.97  0.38  1.0
  Nd  Nd8  1  0.76  0.91  0.38  1.0
  Nd  Nd9  1  0.27  0.12  0.38  1.0
  I  I0  1  0.0  0.0  0.25  1.0
  I  I1  1  0.0  0.0  0.21  1.0
  I  I2  1  0.0  0.0  0.71  1.0
  I  I3  1  0.0  0.0  0.67  1.0

What is the crystal system of this material?