<|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 3.4
90 90 109
Bi
0.39 0.00 0.00
Sb
0.00 0.00 0.00
Br
0.70 0.58 0.70
Br
0.70 0.42 0.70
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
5.9 5.9 3.4
90 90 109
Bi
0.39 0.00 0.00
Sb
0.00 0.00 0.00
Br
0.70 0.58 0.70
Br
0.70 0.42 0.70
Identify the crystal system.