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

Substance: nitrous acid					Other Names: dioxonitric(III) acid

Formula: HONO						CAS-No.: 7782-77-6

Study: ir absorption cross sections


Authors: W.S. Barney, L.M. Wingen, M.J. Lakin, T. Brauers, J. Stutz, B.J. Finlayson-Pitts

Title: Infrared Absorption Cross-Section Measurements for Nitrous Acid (HONO) at Room Temperature

Journal/Source: J. Phys. Chem. A, 104, 1692-1699, (2000); https://doi.org/10.1021/jp9930503


Data: table, diagram

Energy/Wavelength range: 1263 cm-1; 852 cm-1; 790 cm-1

Resolution: 

Temperature: 294 - 297 K

Temperature dependence: 

Pressure/Concentration: 750 Torr (total pressure in N2)

Phase: gas

pH:


Comments: 750 Torr total pressure in N2. Both Q-branch intensities and integrated absorbances for the HONO modes trans-ny3 (1263 cm-1), cis-ny4 (852 cm-1), and trans-ny4 (790 cm-1) are reported.

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