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. 2010 May 3;11(5):2017–2038. doi: 10.3390/ijms11052017

Figure 5.

Figure 5.

Relaxed potential energy scan for the reported dihedrals (involved in HB_1 and HB_2 as in Figure 4) in flavonoid IX (galangin), calculated in gas phase at B3LYP//6-311++G** theoretical level. ΔE is the energy relative to the conformer with lower energy (τ = □0°).