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

Substance: benzene					Other Names: 1,3,5-cyclohexatriene

Formula: C6H6						CAS-No.: 71-43-2

Study: UV absorption spectra

                
Authors: A. Hiraya, K. Shobatake

Title: Direct absorption spectra of jet-cooled benzene in 130-260 nm

Journal/Source: J. Chem. Phys., 94, 7700-7706, (1991); http://link.aip.org/link/doi/10.1063/1.460155


Data: table, diagram

Energy/Wavelength range: 231 - 259 nm

Resolution: 

Temperature: 223 K

Temperature dependence: 

Pressure/Concentration: 

Phase: vapor

pH:


Comments: The direct absorption spectrum of benzene in a free jet has been measured in the 130-260 nm region (S1, S2, 
and S3 states, Rydberg series, and the first ionization limit) using synchrotron radiation as a light source. The maximum value 
of epsilon of the S1 absorption system was found to be 1400 l mol-1 cm-1 (spectral bandwidth=0.065 nm). A shoulder observed 
at 205.45 nm in the S2 absorption system is assigned to the S2 origin, induced by pseudo-Jahn-Teller distortion.

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