<|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:
2.8 3.8 5.5
90 90 90
Cr
0.00 0.00 0.32
Ru
0.38 0.92 0.50
Ru
0.00 0.00 0.19
Au
0.38 0.92 0.78
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 3.8 5.5
90 90 90
Cr
0.00 0.00 0.32
Ru
0.38 0.92 0.50
Ru
0.00 0.00 0.19
Au
0.38 0.92 0.78
Identify the crystal system.