science-softCon uv/vis+ photochemistry database;		www.photochemistry.org; (C) science-softCon 2019

Substance: 2-butyn-1-yl radical 				Other Names: 2-butynyl

Formula: C4H5							CAS-No.: 82252-88-8	PubChem: CID 144982

Study: photoionization spectrum


Authors: H.R. Hrodmarsson, J.-C. Loison, U. Jacovella, D.M.P. Holland, S. Boyé-Péronne, B. Gans, G.A. Garcia, L. Nahon, S.T. Pratt

Title: Valence-Shell Photoionization of C4H5: The 2-Butyn-1-yl Radical

Journal/Source: J. Phys. Chem. A, 123 (8), 1521–1528, (2019); DOI: 10.1021/acs.jpca.8b11809


Data: table, diagram

Energy/Wavelength range: 7.7 - 11.0 eV (~ 112.7 - 161 nm)

Resolution: 0.005 eV

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase: gas

pH:


Comments: A determination of the absolute photoionization cross section of the 2-butyn-1-yl radical at 9.7 eV is also reported: sigma(C4H5) = 6.1 ± 1.8 Mb.

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