<|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 3.3 6.2
90 90 90
Ta
0.00 0.00 0.00
Si
0.41 0.66 0.51
Si
0.41 0.66 0.67
Ir
0.00 0.00 0.09
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
2.8 3.3 6.2
90 90 90
Ta
0.00 0.00 0.00
Si
0.41 0.66 0.51
Si
0.41 0.66 0.67
Ir
0.00 0.00 0.09
Identify the crystal system.