science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2023 Substance: imidazole Other Names: 1H-imidazole; glyoxaline Formula: C3H4N2 CAS-No.: 288-32-4 PubChem: CID 795 Study: uv absorption spectrum Authors: D.M.P. Holland, D.A. Shaw, D. Townsend, I. Powis Title: Valence shell electronically excited states of imidazole and 1-methylimidazole Journal/Source: Molecular Physics, (2023); https://doi.org/10.1080/00268976.2022.2122614 Data: table, diagram Energy/Wavelength range: ~ 4.4 - 10.8 eV (~ 115 - 282 nm) Resolution: Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: gas pH: Comments: The absolute photoabsorption cross section of imidazole, and that of 1-methylimidazole, have been measured from threshold up to 10.8 eV using synchrotron radiation.