The structure of the hydrogen ion (H(aq)+) in water.
The structure of the hydrogen ion (H(aq)+) in water.
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DOI:
10.1021/ja9101826
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发表时间:
2010-02-10
影响因子:
15
通讯作者:
Reed, Christopher A.
中科院分区:
文献类型:
--
作者:
Stoyanov, Evgenii S.;Stoyanova, Irina V.;Reed, Christopher A.
The Haq+ ion in water is a unique H13O6+ entity that defines the boundary of positive charge delocalization. Its central unit is neither a C3v H3O+ Eigen-type ion nor a typical H5O2+ Zundel-type ion. IR spectroscopy indicates that the H13O6+ ion has an unexpectedly long central O⋯O separation (≫2.43 Å) showing that, compared to gas and solid phases, the environment of liquid water is uniquely proficient in delocalizing positive charge. The will change the description of Haq+ in textbooks of chemistry and a more extensive delocalization of positive charge may need to be incorporated into descriptions of mechanisms of aqueous proton transport.
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