<|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:
7.3 7.3 7.3
150 144 46
Si
0.00 0.00 0.00
Sb
0.00 0.00 0.72
Pb
0.88 0.00 0.44
Pb
0.00 0.24 0.28
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.3 7.3 7.3
150 144 46
Si
0.00 0.00 0.00
Sb
0.00 0.00 0.72
Pb
0.88 0.00 0.44
Pb
0.00 0.24 0.28
Identify the crystal system.