<|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:
3.2 4.2 7.5
90 101 90
Ba
0.70 0.12 0.43
Nb
0.07 0.00 0.73
Nb
0.94 0.12 0.97
Tc
0.87 0.00 0.95
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.2 4.2 7.5
90 101 90
Ba
0.70 0.12 0.43
Nb
0.07 0.00 0.73
Nb
0.94 0.12 0.97
Tc
0.87 0.00 0.95
Identify the crystal system.