Structure: 1   Energy = -18.3 ± 0.7
Structure: 2   Energy = -18.2 ± 0.9
Structure: 3   Energy = -17.6 ± 0.8
Structure: 4   Energy = -17.6 ± 0.9
Structure: 5   Energy = -17.2 ± 1.4
Structure: 6   Energy = -16.6 ± 0.9
Structure: 7   Energy = -16.5 ± 1.0
