<|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:
3.4 5.0 6.9
90 97 90
Ba
0.26 0.00 0.33
Hf
0.20 0.49 0.69
Cd
0.84 0.49 0.21
Cd
0.81 0.00 0.99
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.4 5.0 6.9
90 97 90
Ba
0.26 0.00 0.33
Hf
0.20 0.49 0.69
Cd
0.84 0.49 0.21
Cd
0.81 0.00 0.99
Identify the crystal system.