science-softCon uv/vis+ photochemistry database; www.photochemistry.org; (C) science-softCon 2019 Substance: phosgene Other Names: carbonyl chloride Formula: COCl2 CAS-No.: 75-44-5 Study: vuv absorption spectrum Authors: S.R. La Paglia, A.B.F. Duncan Title: Vacuum Ultraviolet Absorption Spectrum of Phosgene Journal/Source: J. Chem. Phys., 34, 125-128, (1961); doi: 10.1063/1.1731550 Data: table Energy/Wavelength range: 60 - 200 nm Resolution: Temperature: Temperature dependence: Pressure/Concentration: Phase: gas pH: Comments: The electronic transition of phosgene at longest wavelengths consists of many bands between 3050 and 2380 A, followed by a continuum which extends into the vacuum ultraviolet region. The maximum at the first electronic transition at 155 nm (64700 cm-1). Because of overlapping, the origin of the second transition cannot be located with certainty. The third electronic transition of phosgene begins at 72538 cm-1 and consists of six bands whose average separation is 335 cm-1. The most intense feature of the phosgene spectrum is an electronic transition which occurs at 80816 cm-1. Author to whom correspondence should be addressed: (e-mail address):