Photoelectron spectroscopy of carbon dioxide

Kumar, Vijay ; Krishnakumar, E. (1983) Photoelectron spectroscopy of carbon dioxide Journal of Chemical Physics, 78 (1). pp. 46-49. ISSN 0021-9606

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Photoelectron spectra of carbon dioxide have been studied at photon wavelengths of 736, 744, 876, and 584 Å, respectively. Many previously unknown vibrational levels of the X2Πg state of the molecular ion have been observed. Some new levels corresponding to (v1, 0, 0) with v1=0 to 10 and (0, 0, v3) with v3=2, 4, 6, 8 have been measured along with some levels of the (v1, 0, v3) series. Level (0, v2, 0) with v2=1, has been observed in the photoelectron spectrum obtained at 876 λ. The values of 1309±40, 605±60, and 1476±40 cm-1 have been assigned to v1, v2, and v3, respectively. The effect of autoionization on the vibrational intensities of the (v1, 0, 0) states with v1=0, 1, 2 has also been studied at 736 Å and the vibrational populations have been compared with those at 744 and 584 Å, respectively.

Item Type:Article
Source:Copyright of this article belongs to American Institute of Physics.
Keywords:Carbon dioxide; Photoelectron spectroscopy; Vibrational states; Oscillation modes; Autoionization
ID Code:18169
Deposited On:17 Nov 2010 13:03
Last Modified:03 Jun 2011 12:30

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