On the Origin of the Hydrogen-Bond-Network Nature of Water: X-Ray Absorption and Emission Spectra of Water-Acetonitrile Mixtures

被引：43

作者：

Lange, Kathrin M. ^{[1
]}

Koennecke, Rene ^{[1
]}

Soldatov, Mikhail ^{[1
]}

Golnak, Ronny ^{[1
]}

Rubensson, Jan-Erik ^{[3
]}

Soldatov, Alexander ^{[4
]}

Aziz, Emad F. ^{[1
,2
]}

机构：

[1] Helmholtz Zentrum Berlin Mat & Energie, D-12489 Berlin, Germany

[2] Free Univ Berlin, D-14159 Berlin, Germany

[3] Uppsala Univ, Dept Phys & Astron, S-75120 Uppsala, Sweden

[4] So Fed Univ, Res Ctr Nanoscale Struct Matter, Rostov Na Donu 344090, Russia

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2011年 / 50卷 / 45期

关键词：

hydrogen bonds; water; water chemistry; X-ray absorption spectroscopy; X-ray emission spectroscopy; SPECTROSCOPY; RELAXATION; DYNAMICS;

D O I：

10.1002/anie.201104161

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A liquid microjet was used to obtain oxygen K-edge X-ray absorption and emission spectra of water-acetonitrile mixtures of various compositions. The observed spectral changes are unambiguously related to the increasing number of broken hydrogen bonds with decreasing water concentration, and the hydrogen-bond network of liquid water can thus be addressed on purely experimental grounds without the need for theoretical modeling. Copyright © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：10621 / 10625

页数：5

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