Structure: 1   Energy = -22.5 ± 1.1
Structure: 2   Energy = -22.2 ± 1.3
Structure: 3   Energy = -21.1 ± 2.1
Structure: 4   Energy = -20.8 ± 2.2
Structure: 5   Energy = -21.0 ± 1.1
Structure: 6   Energy = -18.5 ± 0.9
