Understanding Fermi resonances behind the complex vibrational spectra of the methyl groups in simple alcohol, thiol, and their ethers

2021 ◽  
Author(s):  
Qian‐Rui Huang ◽  
Yoshiyuki Matsuda ◽  
Riku Eguchi ◽  
Asuka Fujii ◽  
Jer‐Lai Kuo
Keyword(s):  
Vibrational Spectra ◽  
Methyl Groups ◽  
Fermi Resonances

Understanding Fermi resonances in the complex vibrational spectra of the methyl groups in methylamines

2021 ◽  
Vol 23 (6) ◽  
pp. 3739-3747
Author(s):  
Qian-Rui Huang ◽  
Tomoya Endo ◽  
Saurabh Mishra ◽  
Bingbing Zhang ◽  
Li-Wei Chen ◽  
...  
Keyword(s):  
Vibrational Spectra ◽  
Fermi Resonance ◽  
Methyl Groups ◽  
Spectral Features ◽  
Fermi Resonances

Vibrational spectra of the methyl groups in mono-methylamine (MMA), dimethylamine (DMA), and trimethylamine (TMA) monomers and their clusters were measured to capture their spectral features as a result of bend/umbrella-stretch Fermi resonance (FR).

Vibrational Spectra of Bis-(Monothioacetylacetonato) Ni(II)

1969 ◽  
Vol 23 (3) ◽  
pp. 224-229 ◽  
Author(s):  
Umesh Agarwala ◽  
P. Bhaskara Rao
Keyword(s):  
Infrared Spectra ◽  
Vibrational Spectra ◽  
Normal Coordinate Analysis ◽  
The Other ◽  
Methyl Groups ◽  
Vibrational Modes ◽  
Normal Coordinate ◽  
Conjugated Systems

The infrared spectra of substituted acetylacetonates have been discussed in the light of normal coordinate analysis of bis-(monothioacetylacetonato) Ni(II) assuming methyl groups as point masses. The Urey-Bradley potential constants evaluated are found to be quite close to those of analogous systems studied earlier. The calculations show that each of the fundamental bands results from vibrational modes involving appreciable contributions from a number of bonds. The single major contribution from the stretching of C = S has been found in the 723 cm−1 band. This is in agreement with the other conjugated systems, like thioamides, studied earlier.

The Vibrational Spectra of Methyl Groups in Methylthiolate and Methoxy Adsorbed on Cu(100)

Langmuir ◽  
2002 ◽  
Vol 18 (10) ◽  
pp. 3759-3762
Author(s):  
M. P. Andersson ◽  
P. Uvdal
Keyword(s):  
Vibrational Spectra ◽  
Methyl Groups

Fermi resonances in the vibrational spectra of CsHSeO4 crystals

1992 ◽  
Vol 275 ◽  
pp. 235-247 ◽  
Author(s):  
Henryk Ratajczak ◽  
Anatolii M. Yaremko ◽  
Jan Baran
Keyword(s):  
Vibrational Spectra ◽  
Fermi Resonances

Fermi resonances and vibrational spectra of crystalline and amorphous polyethylene chains

1982 ◽  
Vol 86 (16) ◽  
pp. 3140-3149 ◽  
Author(s):  
S. Abbate ◽  
G. Zerbi ◽  
S. L. Wunder
Keyword(s):  
Vibrational Spectra ◽  
Fermi Resonances
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