<|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:
4.9 6.5 6.5
42 90 90
Ba
0.00 0.00 0.08
Ba
0.46 0.00 0.01
Hg
0.46 0.00 0.54
P
0.00 0.00 0.57
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 6.5 6.5
42 90 90
Ba
0.00 0.00 0.08
Ba
0.46 0.00 0.01
Hg
0.46 0.00 0.54
P
0.00 0.00 0.57
Identify the crystal system.