Structure: 1   Energy = -15.8 ± 0.8
Structure: 2   Energy = -16.8 ± 0.8
Structure: 3   Energy = -17.7 ± 1.3
Structure: 4   Energy = -15.2 ± 1.3
Structure: 5   Energy = -16.7 ± 0.8
Structure: 6   Energy = -14.4 ± 0.8
