science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2021 Substance: formyl radical Other Names: Formula: CHO CAS-No.: 2597-44-6 PubChem: CID 123370 Study: Absolute photoionization cross sections Authors: J.D. Savee, B. Sztaray, O. Welz, C.A. Taatjes, D.L. Osborn Title: Valence Photoionization and Autoionization of the Formyl Radical Journal/Source: J. Phys. Chem. A, 125 (18), 3874-3884, (2021); https://doi.org/10.1021/acs.jpca.1c01775 Data: table, diagram Energy/Wavelength range: 8 - 11.5 eV (~ 108 - 155 nm) Resolution: 11 meV FWHM Temperature: 298 K Temperature dependence: no Pressure/Concentration: Phase: gas pH: Comments: Absolute photoionization cross-section measurements of HCO(PI)(9.907 eV) = 4.5 ± 0.9 Mb, HCO(PI)(10.007 eV) = 4.8 ± 1.0 Mb, HCO(PI)(10.107 eV) = 6.0 ± 1.2 Mb, HCO(PI)(10.107 eV) = 5.7 ± 1.2 Mb, and HCO(PI)(10.304 eV) = 10.6 ± 2.2 Mb relative to the photoionization cross section of the methyl radical are reported.