<|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:
7.5 7.5 7.5
59 59 59
Ba
1.00 1.00 0.63
Ba
1.00 0.63 1.00
Ba
0.63 1.00 1.00
Ba
0.63 0.63 0.63
Ca
0.00 0.00 0.00
Zr
0.66 0.66 0.66
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
7.5 7.5 7.5
59 59 59
Ba
1.00 1.00 0.63
Ba
1.00 0.63 1.00
Ba
0.63 1.00 1.00
Ba
0.63 0.63 0.63
Ca
0.00 0.00 0.00
Zr
0.66 0.66 0.66
Identify the crystal system.