<|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:
2.9 4.4 5.2
90 105 90
Hf
0.29 0.00 0.50
Zn
0.87 0.21 0.15
Zn
0.62 0.21 0.85
Ru
0.00 0.00 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.9 4.4 5.2
90 105 90
Hf
0.29 0.00 0.50
Zn
0.87 0.21 0.15
Zn
0.62 0.21 0.85
Ru
0.00 0.00 0.00
Identify the crystal system.