<|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:
4.9 4.9 5.1
90 90 119
Ba
1.00 0.82 0.53
Mg
0.00 0.00 0.00
Sb
0.44 0.41 0.00
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
4.9 4.9 5.1
90 90 119
Ba
1.00 0.82 0.53
Mg
0.00 0.00 0.00
Sb
0.44 0.41 0.00
Identify the crystal system.