Structure: 1   Energy = -21.3 ± 0.8
Structure: 2   Energy = -21.0 ± 0.6
Structure: 3   Energy = -20.0 ± 0.7
Structure: 4   Energy = -22.0 ± 1.8
Structure: 5   Energy = -21.1 ± 1.0
Structure: 6   Energy = -21.9 ± 1.0
