<|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:
5.1 5.1 3.8
90 90 119
Sr
0.00 0.00 0.52
Hf
1.00 0.94 0.60
Hg
0.55 0.47 0.67
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.1 5.1 3.8
90 90 119
Sr
0.00 0.00 0.52
Hf
1.00 0.94 0.60
Hg
0.55 0.47 0.67
Identify the crystal system.