<|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:
4.9 4.9 4.9
146 128 63
Be
0.00 0.00 0.30
Tc
0.00 0.15 0.21
Os
0.00 0.15 0.96
Os
0.00 0.00 0.09
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 4.9
146 128 63
Be
0.00 0.00 0.30
Tc
0.00 0.15 0.21
Os
0.00 0.15 0.96
Os
0.00 0.00 0.09
Identify the crystal system.