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

Substance: methane					Other Names: 

Formula: CH4						CAS-No.: 74-82-8

Study: vuv absorption cross section, photolysis, quantum yield

                
Authors: A. Brownsword, M. Hillenkamp, T. Laurent, R.K. Vatsa, H.- R. Volpp, J. Wolfrum

Title: Quantum yield for H atom formation in the methane dissociation after photoexcitation at the Lyman-alpha (121.6 nm) wavelength

Journal/Source: Chem. Phys. Lett., 266, 259-266, (1997); doi:10.1016/S0009-2614(96)01526-6


Data: 

Energy/Wavelength range: 121.6 nm

Resolution: 

Temperature: 298 K

Temperature dependence: no

Pressure/Concentration: 

Phase: gas

pH:


Comments: The absolute quantum yield for H atom formation, PHI(H) = (0.47 ± 0.11), was determined. The absorption cross section
at 121.6 nm was determined to be 2.0e-17 (cm2/molecule).

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