Probing the OH Stretch in Different Local Environments in Liquid Water,The Journal of Physical Chemistry Letters

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Probing the OH Stretch in Different Local Environments in Liquid Water
The Journal of Physical Chemistry Letters ( IF 4.8 ) Pub Date : 2017-11-06 00:00:00 , DOI: 10.1021/acs.jpclett.7b02060
Y. Harada _{1,

2,

3} , J. Miyawaki _{1,

2,

3} , H. Niwa _{1,

2} , K. Yamazoe _{1,

3} , L. G. M. Pettersson ₄ , A. Nilsson ₄

Affiliation

We use resonant inelastic X-ray scattering (RIXS) to resolve vibrational losses corresponding to the OH stretch where the X-ray absorption process allows us to selectively probe different structural subensembles in liquid water. The results point to a unified interpretation of X-ray and vibrational spectroscopic data in line with a picture of two classes of structural environments in the liquid at ambient conditions with predominantly close-packed high-density liquid (HDL) and occasional local fluctuations into strongly tetrahedral low-density liquid (LDL).

中文翻译：

探索液态水在不同局部环境中的OH拉伸

我们使用共振非弹性X射线散射（RIXS）来解决与OH拉伸相对应的振动损失，其中X射线吸收过程使我们能够选择性地探测液态水中的不同结构子组件。结果表明，对X射线和振动光谱数据的统一解释与环境条件下液体中两类结构环境的图片一致，主要是密堆积的高密度液体（HDL），偶尔局部波动很大。四面体低密度液体（LDL）。

更新日期：2017-11-06

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