<|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:
7.6 7.6 4.2
91 91 26
Zr
0.00 0.00 0.00
Ir
0.34 0.00 0.12
Br
0.16 0.00 0.30
Br
0.53 0.00 0.93
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.6 7.6 4.2
91 91 26
Zr
0.00 0.00 0.00
Ir
0.34 0.00 0.12
Br
0.16 0.00 0.30
Br
0.53 0.00 0.93
Identify the crystal system.