Structure: 1   Energy = -18.8 ± 1.5
Structure: 2   Energy = -15.4 ± 1.2
Structure: 3   Energy = -16.7 ± 1.5
Structure: 4   Energy = -15.0 ± 1.1
Structure: 5   Energy = -17.3 ± 1.1
Structure: 6   Energy = -15.8 ± 1.7
