Structure: 1   Energy = -12.5 ± 0.9
Structure: 2   Energy = -12.4 ± 0.8
Structure: 3   Energy = -14.0 ± 1.3
Structure: 4   Energy = -13.7 ± 0.8
Structure: 5   Energy = -13.6 ± 0.9
Structure: 6   Energy = -12.7 ± 1.0
