首页> 外文期刊>The Journal of Chemical Physics >Valence photoionization dynamics in circular dichroism of chiral free molecules: The methyl-oxirane - art. no. 244303
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Valence photoionization dynamics in circular dichroism of chiral free molecules: The methyl-oxirane - art. no. 244303

机译:在手性自由分子的圆二色性中的价光电离动力学:甲基环氧乙烷-艺术。没有。 244303

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摘要

The dynamical behavior of circular dichroism for valence photoionization processes in pure enantiomers of randomly oriented methyl-oxirane molecules has been studied by circularly polarized synchrotron radiation. Experimental results of the dichroism coefficient obtained for valence photoionization processes as a function of photon energy have been compared with theoretical values predicted by state-of-the-art ab initio density-functional theory. The circular dichroism measured at low electron kinetic energies was as large as 11%. Trends in the experimental dynamical behavior of the dichroism coefficients D-i(omega) have been observed. Agreement between experimental and theoretical results permits unambiguous identification of the enantiomer and of the individual orbitals. (c) 2005 American Institute of Physics.
机译:通过圆极化同步加速器辐射,研究了随机定向的甲基环氧乙烷分子的纯对映体中价二价性电离过程中圆二色性的动力学行为。已将用于化合价化合价的二色性系数的实验结果与光子能量的函数进行了比较,并将其与最新的从头算密度函数理论预测的理论值进行了比较。在低电子动能下测得的圆二色性高达11%。已经观察到二色性系数D-i(ω)的实验动力学行为的趋势。实验和理论结果之间的一致性允许对映体和各个轨道的明确鉴定。 (c)2005年美国物理研究所。

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