Structure: 1   Energy = -23.1 ± 0.7
Structure: 2   Energy = -23.6 ± 1.0
Structure: 3   Energy = -22.4 ± 1.4
Structure: 4   Energy = -21.9 ± 1.1
Structure: 5   Energy = -24.5 ± 1.2
Structure: 6   Energy = -22.5 ± 0.8
