首页> 外文期刊>The Journal of Chemical Physics >Two-color resonantly enhanced multiphoton ionization and zero-kinetic-energy photoelectron spectroscopy of jet-cooled indan - art. no. 244302
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Two-color resonantly enhanced multiphoton ionization and zero-kinetic-energy photoelectron spectroscopy of jet-cooled indan - art. no. 244302

机译:喷射冷却indan的双色共振增强多光子电离和零动能光电子能谱-技术没有。 244302

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摘要

We report studies of supersonically cooled indan using two-color resonantly enhanced multiphoton ionization and two-color zero-kinetic-energy photoelectron spectroscopy. With the aid of ab initio and density-functional calculations, vibrational modes of the first electronically excited state of the neutral species and those of the cation have been assigned, and the adiabatic ionization energy has been determined to be 68458 +/- 5 cm(-1). Similar to the ground state and the first electronically excited state of the neutral molecule, the ground state of the cation is also proven to be nonplanar, with an estimated barrier of 213 cm(-1) and a puckering angle of 15.0 degrees. These conclusions will be discussed in comparison with a previous study of an indan derivative 1,3-benzodioxole. (c) 2005 American Institute of Physics.
机译:我们报告了使用双色共振增强多光子电离和双色零动力学能量光电子能谱对超音速冷却的茚满的研究。借助从头算和密度函数计算,已分配了中性物种的第一电子激发态和阳离子的振动模态,并且绝热电离能已确定为68458 +/- 5 cm( -1)。与中性分子的基态和第一个电子激发态相似,阳离子的基态也被证明是非平面的,估计的势垒为213 cm(-1),褶皱角为15.0度。将与茚满衍生物1,3-苯并二恶唑的先前研究进行比较,讨论这些结论。 (c)2005年美国物理研究所。

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