Dielectric relaxation of hydrogen—bonded complexes

1975 ◽  
Vol 9 (1-2) ◽  
pp. 205-212 ◽  
Author(s):  
E. Jakusek ◽  
M. Pajdowska ◽  
L. Sobczyk
Keyword(s):  
Dielectric Relaxation ◽  
Bonded Complexes ◽  
Hydrogen Bonded

scholarly journals Dielectric Relaxation Studies of Hydrogen Bonded Complexes of Benzamide and Acetamide with 4-substituted Phenols Using X-band Microwave Frequency

2021 ◽  
Vol 38 (3) ◽  
Author(s):  
A. Aathif Basha ◽  
F. Liakath Ali Khan
Keyword(s):  
Relaxation Time ◽  
Dielectric Relaxation ◽  
Proton Donor ◽  
Single Frequency ◽  
Hydroxyl Group ◽  
Molar Ratio ◽  
Frequency Method ◽  
Dielectric Parameters ◽  
Bonded Complexes ◽  
Hydrogen Bonded

At 308 K, using a 9.37 GHz dielectric relaxation setup, dielectric studies of hydrogen bonded complexes of benzamide and acetamide with 4-fluorophenol, 4-bromophenol, 4-chlorophenol, and 4-iodophenol in benzene were performed. Various dielectric parameters (such as ??, ??, ?0, and ??) were tested. The steric interactions of the proton donor determined the group rotation relaxation time t(2), whereas the significance of Higasi’s single frequency method for multiple relaxation time t(1) was determined by the hydrogen bonding power of the phenolic hydrogen. The presence of a 1:1 complex system between the prepared samples, as well as a charge transfer between the free hydroxyl group of phenols and the carbonyl group of amides was confirmed by the fact that the relaxation time and molar free energy activation of the 1:1 molar ratio were greater than some other higher molar ratios (i.e. 3:1, 2:1, 1:2, 1:3).

Theoretical study of hydrogen bonding interactions in substituted nitroxide radicals

2021 ◽  
Author(s):  
Thufail M. Ismail ◽  
Neetha Mohan ◽  
P. K. Sajith
Keyword(s):  
Hydrogen Bonding ◽  
Interaction Energy ◽  
Electrostatic Potential ◽  
Molecular Electrostatic Potential ◽  
Theoretical Study ◽  
Nitroxide Radicals ◽  
Hydrogen Bonding Interactions ◽  
Bonded Complexes ◽  
Hydrogen Bonded

Interaction energy (Eint) of hydrogen bonded complexes of nitroxide radicals can be assessed in terms of the deepest minimum of molecular electrostatic potential (Vmin).

Hydrogen‐Bonded Complexes of Star Polymers

2021 ◽  
pp. 2100097
Author(s):  
Aliaksei Aliakseyeu ◽  
Elena E. Dormidontova ◽  
Svetlana A. Sukhishvili
Keyword(s):  
Star Polymers ◽  
Bonded Complexes ◽  
Hydrogen Bonded

Neon matrix induced perturbations of weak hydrogen-bonded complexes.

2003 ◽  
Vol 5 (24) ◽  
pp. 5365 ◽  
Author(s):  
M. Goubet ◽  
P. Asselin ◽  
P. Soulard ◽  
J. P. Perchard
Keyword(s):  
Bonded Complexes ◽  
Hydrogen Bonded

A chemometrical study of intermolecular properties of hydrogen-bonded complexes formed by C2H4O⋅⋅⋅HX and C2H5N⋅⋅⋅HX with X = F, CN, NC, and CCH

2008 ◽  
Vol 15 (4) ◽  
pp. 421-432 ◽  
Author(s):  
Boaz G. Oliveira ◽  
Regiane C. M. U. Araújo ◽  
Antônio B. Carvalho ◽  
Mozart N. Ramos
Keyword(s):  
Bonded Complexes ◽  
Hydrogen Bonded
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