<|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:
3.6 3.7 7.7
90 90 90
Tl
0.80 0.87 0.40
Ni
0.00 0.00 0.14
Br
0.00 0.00 0.69
Br
0.80 0.87 0.09
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.6 3.7 7.7
90 90 90
Tl
0.80 0.87 0.40
Ni
0.00 0.00 0.14
Br
0.00 0.00 0.69
Br
0.80 0.87 0.09
Identify the crystal system.