<|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:
6.7 6.7 6.7
146 146 48
Ba
0.00 0.00 0.14
Ag
0.00 0.00 0.85
Sn
0.00 0.00 0.55
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
6.7 6.7 6.7
146 146 48
Ba
0.00 0.00 0.14
Ag
0.00 0.00 0.85
Sn
0.00 0.00 0.55
Identify the crystal system.