Investigation of the temperature dependence for the spectra of supercooled water in the middle infrared

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作者
A. V. Khakhalin
A. V. Koroleva
机构
[1] Moscow State University,Department of Physics
[2] Russian Academy of Sciences,Institute of Nanotechnology of Microelectronics
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supercooled water; infrared spectra;
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摘要
The temperature dependence of the bending ν2, combination ν2 + νL, and stretching (ν1, ν3, 2ν2) absorption bands in the infrared spectra of supercooled water with a temperature-change step Δt from 2 to 2.5°C was studied using an advanced infrared Fourier spectrometer. It was found that the frequency of the maximum of the stretching absorption band (2700–3700 cm−1) decreases with the reduction of the water temperature from −0.5 to −5.0°C. The frequency of the maximum of the combination absorption band (2130 cm−1) increases with the reduction of the water temperature in a range from −3.0 to −5.0°C. The frequency of the maximum of the absorption band of bending oscillation (1640 cm−1) is invariable with a reduction of the water temperature from −0.5 to −5.0°C.
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页码:66 / 71
页数:5
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