<|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:
3.1 4.8 6.4
90 98 90
Ba
0.00 0.00 0.00
Tl
0.09 0.00 0.19
Ir
0.88 0.40 0.09
Ir
0.30 0.40 0.29
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.1 4.8 6.4
90 98 90
Ba
0.00 0.00 0.00
Tl
0.09 0.00 0.19
Ir
0.88 0.40 0.09
Ir
0.30 0.40 0.29
Identify the crystal system.