<|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:
5.9 5.9 4.0
90 90 90
K
0.00 0.00 0.00
Sr
0.93 0.93 0.00
Hg
0.93 0.00 1.00
Hg
0.00 0.93 1.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.9 5.9 4.0
90 90 90
K
0.00 0.00 0.00
Sr
0.93 0.93 0.00
Hg
0.93 0.00 1.00
Hg
0.00 0.93 1.00
Identify the crystal system.