<|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:
2.6 2.6 6.8
90 90 90
Be
0.00 0.00 0.00
V
0.00 0.00 0.40
Cu
0.28 0.28 0.44
Cu
0.28 0.28 0.36
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.6 2.6 6.8
90 90 90
Be
0.00 0.00 0.00
V
0.00 0.00 0.40
Cu
0.28 0.28 0.44
Cu
0.28 0.28 0.36
Identify the crystal system.