Structure: 1   Energy = -21.3 ± 1.0
Structure: 2   Energy = -20.8 ± 1.1
Structure: 3   Energy = -18.5 ± 0.7
Structure: 4   Energy = -18.7 ± 1.1
Structure: 5   Energy = -19.9 ± 1.0
Structure: 6   Energy = -19.7 ± 1.0
