Dipole-bound anions of glycine based on the zwitterion and neutral structures

被引:133
作者
Gutowski, M [1 ]
Skurski, P
Simons, J
机构
[1] Pacific NW Natl Lab, Richland, WA 99352 USA
[2] Univ Utah, Dept Chem, Henry Eyring Ctr Theoret Chem, Salt Lake City, UT 84112 USA
[3] Univ Gdansk, Dept Chem, PL-80952 Gdansk, Poland
关键词
D O I
10.1021/ja001658f
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
The instability of the zwitterion structure of glycine is significantly reduced by the attachment of an excess electron as a result of which a local minimum develops on the anionic potential energy surface for the zwitterion structure. However, the global anionic minimum, which is lower by 9 kcal/mol, corresponds to a singly hydrogen-bonded nonzwitterion structure. The vertical electron detachment energies for these two dipole-bound zwitterion and nonzwitterion structures are 3175 and 668 cm(-1), respectively.
引用
收藏
页码:10159 / 10162
页数:4
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