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Absolute photoabsorption spectrum of CO molecule in the region 14—20 eV(620—890 Å) is measured using synchrotron radiation and multi-stage photoionization chamber, and its ionization energy is obtained. According to the absorption spectrum of CO and theoretical calculation, the Rydberg series converging to the Χ2Σ+, Α2Π, and B2Σ+ states of CO+ are assigned separately. Rydberg series assigned before are extended, Rydberg series converging to the Χ2Σ+ (ν+=2 and 3) of CO+, and n=2 (the real value of n is 3) progressions of the series converging to the Α2Π state of CO+ are identified. At the same time, the absorption spectrum of CO in the region 17.0—17.5 eV (710—730 Å) is also discussed deeply.
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Keywords:
- synchrotron radiation /
- multi-stage photoionization chamber /
- Rydberg series /
- vibration progressions
[1] Okabe H 1978 Photochemistry of small molecules (Changchun:Jilin People’s Press) p420—421[冈田秀雄 1978 小分子光化学(长春: 吉林人民出版社)第420—421页]
[2] Evans M, Ng C Y 1999 J. Chem. Phys. 111 8872
[3] Rauer H, Arpigny C, Boehnhardt H, Colas F, Crovisier J, Jorda L, Kuppers M, Manfroid J, Rembor K, Thomas N 1997 Science 275 1909
[4] Duncan A B F 1971 Rydberg Series in Atoms and Molecules (New York and London:Academic Press) p49—50
[5] Huffman R E, Larrabee J C, Tanaka Y 1964 J. Chem. Phys. 40 2261
[6] Cook G R, Hetzger P H, Ogawa M 1965 Canadian J. Phys. 45 1706
[7] Ogawa M 1965 J. Chem. Phys. 43 2142
[8] Ogawa M, Ogawa S 1972 J. Mol. Spectrosc. 41 393
[9] Lee L C, Carlson R W, Judge D L, Ogawa M 1972 J. Quant. Spectrosc. Radiat. Transfer 13 1023
[10] Lee L C, Carlson R W, Judge D L 1975 Mol. Phys. 30 1941
[11] Leyh B, Delwiche J, Hubin-Franskin M J, Nenner I 1987 Chem. Phys. 115 243
[12] Hardis J E, Ferrett T A, Southworth S H, Parr A C, Roy P, Dehmer J L, Dehmer P M, Chupka W A 1988 J. Chem. Phys. 89 812
[13] Lefebvre-Brion H 1973 J. Mol. Structure. 19 103
[14] Leyh B, Raseev G 1986 Phys. Rev. A 34 2920
[15] Leyh B, Raseev G 1988 J. Chem. Phys. 89 820
[16] Zhong Z P, Li J M 2004 J. Phys. B: At. Mol. Opt. Phys. 37 735
[17] Velasco A M, Martin I, Lavin C 2005 Int. J. Quantum Chem. 104 517
[18] Wang S S, Kong R H, Shan X B, Zhang Y W, Sheng L S, Wang Z Y, Hao L Q, Zhou S K 2006 J. Synchrotron Rad. 13 415
[19] Qi F, Yang X, Yang S H, Liu F Y, Gao H, Zhang Y W, Yu S Q 1997 J. Chem. Phys. 106 9474
[20] Fan L L, Zhong Z P, Zhu L F, Liu X J, Cheng H D, Yuan Z S Xu K Z 2005 Chin. Phys. 14 2478
[21] Merkt F 1997 Annu. Rev. Phys. Chem. 48 675
[22] Ng C Y, Mahan B H, Lee Y T, 1976 J. Chem. Phys. 65 1956
[23] Wannberg B, Nordfors D, Tan K L, Karlsson L and Mattsson L 1988 J. Electron Spectrosc. Relat. Phenom. 47 147
[24] Mellinger A, Vidal C R, Jungen C 1996 J. Chem. Phys. 104 8913
[25] Okada K, Iwata S 2000 J. Electron Spectrosc. Relat. Phenom. 108 225
[26] Huber K P, Herzberg G 1979 Molecular Spectra and Molecular Structure (Vol. 4): Constants of Diatomic Molecules (New York: Van Nostrand Reinhold) p.166
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[1] Okabe H 1978 Photochemistry of small molecules (Changchun:Jilin People’s Press) p420—421[冈田秀雄 1978 小分子光化学(长春: 吉林人民出版社)第420—421页]
[2] Evans M, Ng C Y 1999 J. Chem. Phys. 111 8872
[3] Rauer H, Arpigny C, Boehnhardt H, Colas F, Crovisier J, Jorda L, Kuppers M, Manfroid J, Rembor K, Thomas N 1997 Science 275 1909
[4] Duncan A B F 1971 Rydberg Series in Atoms and Molecules (New York and London:Academic Press) p49—50
[5] Huffman R E, Larrabee J C, Tanaka Y 1964 J. Chem. Phys. 40 2261
[6] Cook G R, Hetzger P H, Ogawa M 1965 Canadian J. Phys. 45 1706
[7] Ogawa M 1965 J. Chem. Phys. 43 2142
[8] Ogawa M, Ogawa S 1972 J. Mol. Spectrosc. 41 393
[9] Lee L C, Carlson R W, Judge D L, Ogawa M 1972 J. Quant. Spectrosc. Radiat. Transfer 13 1023
[10] Lee L C, Carlson R W, Judge D L 1975 Mol. Phys. 30 1941
[11] Leyh B, Delwiche J, Hubin-Franskin M J, Nenner I 1987 Chem. Phys. 115 243
[12] Hardis J E, Ferrett T A, Southworth S H, Parr A C, Roy P, Dehmer J L, Dehmer P M, Chupka W A 1988 J. Chem. Phys. 89 812
[13] Lefebvre-Brion H 1973 J. Mol. Structure. 19 103
[14] Leyh B, Raseev G 1986 Phys. Rev. A 34 2920
[15] Leyh B, Raseev G 1988 J. Chem. Phys. 89 820
[16] Zhong Z P, Li J M 2004 J. Phys. B: At. Mol. Opt. Phys. 37 735
[17] Velasco A M, Martin I, Lavin C 2005 Int. J. Quantum Chem. 104 517
[18] Wang S S, Kong R H, Shan X B, Zhang Y W, Sheng L S, Wang Z Y, Hao L Q, Zhou S K 2006 J. Synchrotron Rad. 13 415
[19] Qi F, Yang X, Yang S H, Liu F Y, Gao H, Zhang Y W, Yu S Q 1997 J. Chem. Phys. 106 9474
[20] Fan L L, Zhong Z P, Zhu L F, Liu X J, Cheng H D, Yuan Z S Xu K Z 2005 Chin. Phys. 14 2478
[21] Merkt F 1997 Annu. Rev. Phys. Chem. 48 675
[22] Ng C Y, Mahan B H, Lee Y T, 1976 J. Chem. Phys. 65 1956
[23] Wannberg B, Nordfors D, Tan K L, Karlsson L and Mattsson L 1988 J. Electron Spectrosc. Relat. Phenom. 47 147
[24] Mellinger A, Vidal C R, Jungen C 1996 J. Chem. Phys. 104 8913
[25] Okada K, Iwata S 2000 J. Electron Spectrosc. Relat. Phenom. 108 225
[26] Huber K P, Herzberg G 1979 Molecular Spectra and Molecular Structure (Vol. 4): Constants of Diatomic Molecules (New York: Van Nostrand Reinhold) p.166
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