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

Substance: diacetylene					Other Names: butadiyne

Formula: C4H2						CAS-No.: 460-12-8

Study: vuv/uv absorption cross sections


Authors: T. Ferradaz, Y.Benilan, N.Fray, A.Jolly, M.Schwell, M.C.Gazeau, H.-W.Jochims

Title: Temperature-dependent photoabsorption cross-sections of cyanoacetylene and diacetylene in the mid-and vacuum-UV: Application to Titan’s atmosphere

Journal/Source: Planetary Space Science, 57, 10-22, (2009); doi:10.1016/j.pss.2008.10.005


Data: diagram, table

Energy/Wavelength range: 115 - 220 nm

Resolution: 0.05 nm

Temperature: 203 K; 293 K

Temperature dependence: yes

Pressure/Concentration: 

Phase: gas

pH:


Comments: The authors have measured absolute photoabsorption cross-sections of C4H2 and HC3N with a spectral resolution of 0.05 nm 
in the region between 80 and 225 nm and at different temperatures between 173 and 295 K.

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