<|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:
2.9 2.9 5.8
90 90 90
Mn
0.00 0.00 0.76
Cr
0.00 0.00 0.00
Cr
0.46 0.46 0.50
Se
0.46 0.46 0.40
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.9 2.9 5.8
90 90 90
Mn
0.00 0.00 0.76
Cr
0.00 0.00 0.00
Cr
0.46 0.46 0.50
Se
0.46 0.46 0.40
Identify the crystal system.