<|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:
3.5 3.5 7.8
90 90 90
Ba
0.00 0.00 0.82
Ta
0.76 0.76 0.49
Au
0.00 0.00 0.74
Au
0.76 0.76 0.51
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.5 3.5 7.8
90 90 90
Ba
0.00 0.00 0.82
Ta
0.76 0.76 0.49
Au
0.00 0.00 0.74
Au
0.76 0.76 0.51
Identify the crystal system.