IRMPD Spectroscopy: Evidence of Hydrogen Bonding in the Gas Phase Conformations of Lasso Peptides and their Branched-Cyclic Topoisomers

2016 ◽  
Vol 120 (21) ◽  
pp. 3810-3816 ◽  
Author(s):  
Kevin Jeanne Dit Fouque ◽  
Hélène Lavanant ◽  
Séverine Zirah ◽  
Vincent Steinmetz ◽  
Sylvie Rebuffat ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Gas Phase ◽  
Irmpd Spectroscopy ◽  
Lasso Peptides

scholarly journals IRMPD Spectroscopy of Homo- and Heterochiral Asparagine Proton-Bound Dimers in the Gas Phase

2021 ◽  
Vol 125 (34) ◽  
pp. 7449-7456
Author(s):  
Åke Andersson ◽  
Mathias Poline ◽  
Kas J. Houthuijs ◽  
Rianne E. van Outersterp ◽  
Giel Berden ◽  
...  
Keyword(s):  
Gas Phase ◽  
Irmpd Spectroscopy

Synergy of Water and Ammonia Hydrogen Bonding in a Gas-Phase Reaction

2019 ◽  
Vol 123 (7) ◽  
pp. 1337-1342 ◽  
Author(s):  
Wen Chao ◽  
Cangtao Yin ◽  
Yu-Lin Li ◽  
Kaito Takahashi ◽  
Jim Jr-Min Lin
Keyword(s):  
Hydrogen Bonding ◽  
Gas Phase ◽  
Phase Reaction ◽  
Gas Phase Reaction

Water-Mediated Selenium Hydrogen-Bonding in Proteins: PDB Analysis and Gas-Phase Spectroscopy of Model Complexes

2019 ◽  
Vol 123 (28) ◽  
pp. 5995-6002 ◽  
Author(s):  
Kamal K. Mishra ◽  
Santosh K. Singh ◽  
Satish Kumar ◽  
Gulzar Singh ◽  
Biplab Sarkar ◽  
...  
Keyword(s):  
Hydrogen Bonding ◽  
Gas Phase ◽  
Model Complexes ◽  
Gas Phase Spectroscopy

Hydrogen bonding in the gas phase: the thermodynamic properties of hydrogen fluoride-ether complexes and their far infrared spectra

1971 ◽  
Vol 322 (1548) ◽  
pp. 137-146 ◽  
Keyword(s):  
Hydrogen Bonding ◽  
Gas Phase ◽  
Infrared Spectra ◽  
Equilibrium Constants ◽  
Far Infrared ◽  
Methyl Ethyl ◽  
Rotational Contour ◽  
Stretching Vibration ◽  
Conformational Rearrangements ◽  
Far Infrared Spectra

The equilibrium constants of gas-phase complexes of HF with dimethyl, methyl ethyl and diethyl ether have been measured at several temperatures using the Benesi-Hildebrand approximation on the absorption band of the HF stretching vibration in the complex. From these, values of Δ H of — 43, — 38 and — 30 kJ mol -1 respectively, have been determined. They are interpreted in terms of conformational rearrangements of the ethers when they form hydrogen bonds. The far infrared spectra of the complexes with both HF and DF have also been recorded and in each case a band observed at around 180 cm -1 which is assigned to the intermolecular stretching mode of vibration. For the complex between HF and dimethyl ether a rotational contour has been observed at about 10 cm -1 .

Spectroscopic investigations of hydrogen bonding interactions in the gas phase. II. The determination of the geometry and potential constants of the hydrogen-bonded heterodimer CH 3 CN • • • HF from its microwave rotational spectrum

1980 ◽  
Vol 370 (1741) ◽  
pp. 239-255 ◽  
Keyword(s):  
Hydrogen Bonding ◽  
Gas Phase ◽  
Spectroscopic Constants ◽  
Rotational Spectrum ◽  
Hydrogen Bonding Interactions ◽  
Isotopic Species ◽  
Microwave Rotational Spectrum ◽  
Vibration Rotation ◽  
Hydrogen Bonded

The microwave rotational spectrum of the hydrogen-bonded heterodimer CH 3 CN • • • HF has been identified and shown to be characteristic of a symmetric top. A detailed analysis of several rotational transitions for a variety of isotopic species gives the spectroscopic constants summarized in the following table: Rotational constants/MHz, vibration-rotation constants/MHz and vibrational separations/cm -1 of CH 3 CN • • • HF

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