<|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:
3.0 3.0 7.5
90 91 90
Ti
0.28 0.50 0.73
Ti
0.48 0.50 0.75
Al
0.00 0.00 0.00
Cl
0.38 0.00 0.74
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 3.0 7.5
90 91 90
Ti
0.28 0.50 0.73
Ti
0.48 0.50 0.75
Al
0.00 0.00 0.00
Cl
0.38 0.00 0.74
Identify the crystal system.