Dipole bound, nucleic acid base anions studied via negative ion photoelectron spectroscopy

被引：246

作者：

Hendricks, JH ^{[1
]}

Lyapustina, SA ^{[1
]}

deClercq, HL ^{[1
]}

Snodgrass, JT ^{[1
]}

Bowen, KH ^{[1
]}

机构：

[1] JOHNS HOPKINS UNIV,DEPT CHEM,BALTIMORE,MD 21218

来源：

JOURNAL OF CHEMICAL PHYSICS | 1996年 / 104卷 / 19期

关键词：

D O I：

10.1063/1.471482

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 anions of the nucleic acid bases, uracil and thymine, were studied by negative ion photoelectron spectroscopy. Both monomer anions exhibit spectroscopic signatures that are indicative of dipole bound excess electrons. The adiabatic electron affinities of these molecules were found to be 93+/-7 meV for uracil and 69+/-7 meV for thymine. No conventional (valence) anions of these molecules were observed. (C) 1996 American Institute of Physics.

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页码：7788 / 7791

页数：4

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