MATI and PIRI studies of the (X)over-tilde and (A)over-tilde state of trans-1,3-butadiene cation

被引：16

作者：

Hofstein, JD ^{[1
]}

Johnson, PM ^{[1
]}

机构：

[1] SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA

来源：

CHEMICAL PHYSICS LETTERS | 2000年 / 316卷 / 3-4期

关键词：

D O I：

10.1016/S0009-2614(99)01290-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The VUV-MATI spectrum of trans-1,3-butadiene (BD) has been recorded and analyzed. The lowest ionization potential is 73.143 cm(-1). The assigned vibrational bands agree well with previous measurements, and three new bands are assigned. Fragment PIRI experiments were carried out on the (A) over tilde((2)A(u)) <-- (X) over tilde(B-2(g)) transition in BD+, and the optical spectrum was analyzed. Information regarding the fragmentation mechanisms that characterize the observed optical spectrum is presented. At low PIRI-photon energies, the fragmentation process is a one photon process yielding primarily C3H3+. As the PIRI photon energy increases, more and more C4H4+ is produced, indicating that the two-photon process producing this fragment involves the (D) over tilde state. (C) 2000 Elsevier science B.V. All rights reserved.

引用

页码：229 / 237

页数：9

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