Research Article

Combined FTIR Matrix Isolation and Density Functional Studies of Indole-3-Pyruvic Acid Molecule. Spectroscopic Evidence of Gas-Phase Tautomerism

Figure 2

B3LYP/5-311++G** simulation of the IR spectrum of IPA in its vapor phase (the overall spectrum is the—weighted sum of the theoretical spectra of all the H and K type tautomers).
243741.fig.002