Infrared and Raman Spectroscopic Study of Methane Clathrate Hydrates at Low Temperatures and High Pressures: Dynamics and Cage Occupancy of Methane

2021 ◽  
Author(s):  
Naoki Noguchi ◽  
Takuya Yonezawa ◽  
Yuu Yokoi ◽  
Tomoki Tokunaga ◽  
Taro Moriwaki ◽  
...  
Keyword(s):  
Spectroscopic Study ◽  
Low Temperatures ◽  
High Pressures ◽  
Clathrate Hydrates ◽  
Raman Spectroscopic ◽  
Raman Spectroscopic Study ◽  
Methane Clathrate

Raman spectroscopic study of PbCO3 at high pressures and temperatures

2009 ◽  
Vol 37 (1) ◽  
pp. 45-56 ◽  
Author(s):  
Robert Minch ◽  
Leonid Dubrovinsky ◽  
Alexandr Kurnosov ◽  
Lars Ehm ◽  
Karsten Knorr ◽  
...  
Keyword(s):  
Spectroscopic Study ◽  
High Pressures ◽  
Raman Spectroscopic ◽  
Raman Spectroscopic Study ◽  
High Pressures And Temperatures

scholarly journals An infrared and Raman spectroscopic study of PbSO4-anglesite at high pressures

2019 ◽  
Vol 46 (6) ◽  
pp. 623-637
Author(s):  
Krista Sawchuk ◽  
Earl F. O’Bannon ◽  
Cara Vennari ◽  
Abby Kavner ◽  
Elise Knittle ◽  
...  
Keyword(s):  
Spectroscopic Study ◽  
High Pressures ◽  
Raman Spectroscopic ◽  
Raman Spectroscopic Study

Raman spectroscopic study of artificially twisted and non-twisted trilayer graphene

2021 ◽  
Vol 118 (13) ◽  
pp. 133101
Author(s):  
Sanghyun Kim ◽  
Donghyeon Lee ◽  
Binbin Wang ◽  
Shang-Jie Yu ◽  
Kenji Watanabe ◽  
...  
Keyword(s):  
Spectroscopic Study ◽  
Raman Spectroscopic ◽  
Raman Spectroscopic Study ◽  
Trilayer Graphene

scholarly journals Hydrogen Bonds: Raman Spectroscopic Study

2021 ◽  
Vol 22 (10) ◽  
pp. 5380
Author(s):  
Boris A. Kolesov
Keyword(s):  
Hydrogen Bonding ◽  
Hydrogen Bonds ◽  
Spectroscopic Study ◽  
Raman Spectra ◽  
Temperature Region ◽  
Vibrational Frequency ◽  
Chemical Compounds ◽  
Raman Spectroscopic ◽  
Raman Spectroscopic Study ◽  
Proton Dynamics

The work outlines general ideas on how the frequency and the intensity of proton vibrations of X–H×××Y hydrogen bonding are formed as the bond evolves from weak to maximally strong bonding. For this purpose, the Raman spectra of different chemical compounds with moderate, strong, and extremely strong hydrogen bonds were obtained in the temperature region of 5 K–300 K. The dependence of the proton vibrational frequency is schematically presented as a function of the rigidity of O-H×××O bonding. The problems of proton dynamics on tautomeric O–H···O bonds are considered. A brief description of the N–H···O and C–H···Y hydrogen bonds is given.

ChemInform Abstract: RAMAN SPECTROSCOPIC STUDY OF COBALT-MOLYBDENUM Γ-ALUMINA CATALYSTS

1978 ◽  
Vol 9 (40) ◽  
Author(s):  
J. MEDEMA ◽  
C. VAN STAM ◽  
V. H. J. DE BEER ◽  
A. J. A. KONINGS ◽  
D. C. KONINGSBERGER
Keyword(s):  
Spectroscopic Study ◽  
Raman Spectroscopic ◽  
Raman Spectroscopic Study ◽  
Alumina Catalysts
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