Other names: Water vapor; Distilled water; Ice; H2O; Dihydrogen oxide; steam; Tritiotope Permanent link for this species. Use this link for bookmarking this species for future reference.

H_ {2}O 在红外光谱中是有吸收峰的，两个O-H键存在对称和 不对称伸缩振动，由于存在 氢键缔合作用，在3300 cm^ {-1} 形成了一个峰，而且峰形较宽，与其他羟基峰接近，会造成一定的干扰，所以分析其它样品时，要尽可能除水。 而在1630 cm^ {-1} 左右的峰，则是由于O-H键面内剪式弯曲振动引起的。 注：关于红外光谱中分子几种常见的振动方式，可以翻阅我的前文 《分子振动方式》。 CO_ {2} 是线性分子，有四种振动，在动画中我们可以看到，从上到下，分别是 面内弯 …

2015年2月13日 · In this contribution, we present an integrated theoretical and computational framework (named many-body molecular dynamics or MB-MD) that, by systematically removing uncertainties associated with existing approaches, enables a rigorous modeling of vibrational spectra of water from quantum dynamical simulations.

2020年10月28日 · Here we report the well-resolved infrared (IR) spectra of confinement-free, neutral water octamer based on threshold photoionization using a tunable vacuum ultraviolet free electron laser...

In this study, the ultrafast processes governing the dynamics of the water bend in HDO/D 2 O and pure H 2 O are investigated by linear absorption and non-linear infrared spectroscopy, namely 2D-IR spectroscopy.

We present PyIRoGlass, an open-source Python package for quantifying H$_2$O and CO$_2$ species concentrations in the transmission FTIR spectra of basaltic to andesitic glasses.

2020年9月15日 · In this Perspective, we summarize our recent studies that have revealed that the H–O–H bending mode can be an equally powerful reporter for the microscopic structure of water and provides more direct access to the hydrogen-bonded network than the conventionally studied O–H stretch mode.

2015年8月6日 · The adsorption of water and deuterium oxide on TiO2 surfaces was investigated in the dark as well as under UV(A) irradiation using in situ ATR-FTIR spectroscopy under oxygen and oxygen free conditions. Adsorption of H2O–D2O mixtures revealed an isotopic exchange reaction occurring onto the surface of TiO2 in

2020年12月5日 · Mid-infrared (MIR) transmission FTIR spectroscopy is useful for H2O concentrations ≪1 wt% with a wafer thickness on a 100 μm scale. In this spectral range, the absorption of the fundamental OH stretching band at ~3450 cm−1 represents H 2 O t. H 2 O species determination is possible via the 1630 cm −1 bending mode of water molecules.

In bulk water, the vibrational infrared band of the OH stretching mode is centred at 3,400 cm À 1 ( Fig. 1) with a linewidth of several hundreds of wavenumbers. The vibrational response of...