<|im_start|>system
Please reason step by step, and put your final answer within \boxed{}.<|im_end|>
<|im_start|>user
Given the following crystal representation:
3.1 5.0 8.7
90 90 90
Hf
0.00 0.51 0.46
Hf
0.05 0.00 0.91
Hf
0.99 0.51 0.34
Hf
0.01 0.00 0.77
Hf
0.05 0.51 0.21
Zr
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.1 5.0 8.7
90 90 90
Hf
0.00 0.51 0.46
Hf
0.05 0.00 0.91
Hf
0.99 0.51 0.34
Hf
0.01 0.00 0.77
Hf
0.05 0.51 0.21
Zr
0.00 0.00 0.00
Identify the crystal system.