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

Substance: formaldehyde					Other Names: methanal; methylene oxide

Formula: CH2O						CAS-No.: 50-00-0

Study: uv absorption cross sections


Authors: C.T. Ernest, D. Bauer, A.J. Hynes

Title: High-Resolution Absorption Cross Sections of Formaldehyde in the 30285-32890 cm-1 (304-330 nm) Spectral Region

Journal/Source: J. Phys. Chem. A, 116 (24), 5910-5922, (2012); DOI: 10.1021/jp210008g


Data: diagram, table

Energy/Wavelength range: 30285-32890 cm-1 (304-330 nm)

Resolution: better than 0.09 cm-1

Temperature: 294 ± 2 K

Temperature dependence: no

Pressure/Concentration: 450 mTorr; 700 mTorr

Phase: gas

pH:


Comments: Absolute room temperature (294 ± 2 K) absorption cross sections of formaldehyde have been measured over the spectral 
range 30285-32890 cm-1 (304-330 nm) using ultraviolet (UV) laser absorption spectroscopy.
Pressure broadening was studied for the collision partners He, O2, N2, and H2O.

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