<|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:
3.0 3.0 14.5
90 90 120
Mg
0.48 0.86 0.19
Mg
0.48 0.86 0.99
Mg
0.00 0.71 0.32
Mg
0.00 0.71 0.52
Tc
0.48 0.86 0.22
Tc
0.00 0.71 0.29
Identify the crystal system.<|im_end|>
<|im_start|>assistant
Given the following crystal representation:
3.0 3.0 14.5
90 90 120
Mg
0.48 0.86 0.19
Mg
0.48 0.86 0.99
Mg
0.00 0.71 0.32
Mg
0.00 0.71 0.52
Tc
0.48 0.86 0.22
Tc
0.00 0.71 0.29
Identify the crystal system.