Assignments of the vibrational spectra of 2,5-dimethyl-2,4-hexadiene, 4-methyl-1,3-pentadiene and (E)-2-methyl-1,3-pentadiene. Effect of the terminal and lateral methyl groups

1986 ◽  
Vol 42 (4) ◽  
pp. 411-425 ◽  
Author(s):  
M.M.Abo Aly ◽  
M.H. Baron ◽  
M.J. Coulange ◽  
J. Favrot
Keyword(s):  
Vibrational Spectra ◽  
Methyl Groups

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.

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).

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

Vibrational spectra and proton acceptor ability of 2,2-biphenyldiamine

1993 ◽  
Vol 90 ◽  
pp. 1667-1683 ◽  
Author(s):  
K Platteborze ◽  
T Zeegers-Huyskens
Keyword(s):  
Vibrational Spectra ◽  
Proton Acceptor

CHARACTERIZATION AND VIBRATIONAL SPECTRA OF THE VITREOUS DOMAIN EXISTING IN THE TERNARY DIAGRAM Li2O-CdO-P2O5

1982 ◽  
Vol 43 (C9) ◽  
pp. C9-359-C9-362
Author(s):  
B. Elouadi ◽  
M. Ouchetto ◽  
Ch. Garrigou-Lagrange
Keyword(s):  
Vibrational Spectra ◽  
Ternary Diagram

PEIERLS INSTABILITY AND VIBRATIONAL SPECTRA OF POLYACETYLENE

1983 ◽  
Vol 44 (C3) ◽  
pp. C3-511-C3-511
Author(s):  
A. A. Ovchinnikov ◽  
A. E. Belinskii ◽  
I. A. Misurkin ◽  
I. I. Ukrainskii
Keyword(s):  
Vibrational Spectra ◽  
Peierls Instability

VIBRATIONAL SPECTRA OF SOLID AND LIQUID SULFUR

1981 ◽  
Vol 42 (C6) ◽  
pp. C6-557-C6-559
Author(s):  
Y. Sasaki ◽  
Y. Nishina
Keyword(s):  
Vibrational Spectra ◽  
Liquid Sulfur
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