Structure: 1   Energy = -20.1 ± 1.4
Structure: 2   Energy = -19.4 ± 1.2
Structure: 3   Energy = -17.2 ± 0.9
Structure: 4   Energy = -18.8 ± 0.9
Structure: 5   Energy = -18.6 ± 1.4
Structure: 6   Energy = -18.2 ± 0.7
