Quantum Chemical and Spectroscopic Study on Hydrogen Bonds in Hairpin DNA

2021 ◽  
Author(s):  
Yoshimichi Ohki ◽  
Tomofumi Seki ◽  
Maya Mizuno
Keyword(s):  
Hydrogen Bonds ◽  
Spectroscopic Study ◽  
Quantum Chemical ◽  
Hairpin Dna

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.

scholarly journals The nature of resonance-assisted hydrogen bonds: a quantum chemical topology perspective

2016 ◽  
Vol 18 (38) ◽  
pp. 26383-26390 ◽  
Author(s):  
José Manuel Guevara-Vela ◽  
Eduardo Romero-Montalvo ◽  
Aurora Costales ◽  
Ángel Martín Pendás ◽  
Tomás Rocha-Rinza
Keyword(s):  
Charge Transfer ◽  
Hydrogen Bonds ◽  
Quantum Chemical ◽  
Electron Localization ◽  
Chemical Topology ◽  
Quantum Chemical Topology ◽  
New Interpretation

We give a new interpretation of Resonance Assisted Hydrogen Bonds (RAHBs) in which RAHB formation leads to an overall electron localization excluding covalency as the main source of stabilization. The most relevant contributions to the RAHB energetics are electrostatics, polarization and charge transfer.

ChemInform Abstract: HYDROGEN BONDS IN DISODIUM SULFIDE PENTAHYDRATE: X-RAY DIFFRACTION AND VIBRATIONAL SPECTROSCOPIC STUDY

1984 ◽  
Vol 15 (39) ◽  
Author(s):  
K. MEREITER ◽  
A. PREISINGER ◽  
A. ZELLNER ◽  
W. MIKENDA ◽  
H. STEIDL
Keyword(s):  
Hydrogen Bonds ◽  
Spectroscopic Study ◽  
X Ray Diffraction ◽  
X Ray

A Raman and infrared spectroscopic study of compounds characterized by strong hydrogen bonds

1981 ◽  
Vol 73 (1) ◽  
pp. 19-29 ◽  
Author(s):  
Alessandro Bertoluzza ◽  
Patrizia Monti ◽  
Maria Antonietta Morelli ◽  
Maria Angela Battaglia
Keyword(s):  
Hydrogen Bonds ◽  
Spectroscopic Study ◽  
Infrared Spectroscopic Study ◽  
Infrared Spectroscopic
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