Electronic basis of improper hydrogen bonding: a subtle balance of hyperconjugation and rehybridization

IV Alabugin, M Manoharan, S Peabody… - Journal of the …, 2003 - ACS Publications
The X− H bond length in X− H.. Y hydrogen bonded complexes is controlled by a balance of
two main factors acting in opposite directions.“XH bond lengthening” due to n (Y)→ σ*(H− X) …

On the physical origin of blue-shifted hydrogen bonds

X Li, L Liu, HB Schlegel - Journal of the American Chemical …, 2002 - ACS Publications
For blue-shifted hydrogen-bonded systems, the hydrogen stretching frequency increases
rather than decreases on complexation. In computations at various levels of theory, the blue …

Blue-shifting hydrogen bonds

K Hermansson - The Journal of Physical Chemistry A, 2002 - ACS Publications
In this paper we put forward the idea that the various “improper, blue-shifting” hydrogen
bond systems discussed in the literature are all of essentially the same nature and occur …

Red-versus blue-shifting hydrogen bonds: are there fundamental distinctions?

S Scheiner, T Kar - The Journal of Physical Chemistry A, 2002 - ACS Publications
The OH covalent bond of conventional hydrogen bonds of the OH⊙⊙⊙ O type undergoes a
lengthening as a result of the complex formation, and the OH stretching frequency shifts to …

The world of non-covalent interactions: 2006

P Hobza, R Zahradník… - Collection of …, 2006 - cccc.uochb.cas.cz
The review focusses on the fundamental importance of non-covalent interactions in nature
by illustrating specific examples from chemistry, physics and the biosciences. Laser …

3D printed all‐natural hydrogels: flame‐retardant materials toward attaining green sustainability

X Zuo, Y Zhou, K Hao, C Liu, R Yu, A Huang… - Advanced …, 2024 - Wiley Online Library
Biomass‐based hydrogel is a promising flame‐retardant material and has a high potential
for applications in transportation, aerospace, building and electrical engineering, and …

Characterization of hydrogen bonding: From van der Waals interactions to covalency

R Parthasarathi, V Subramanian - Hydrogen bonding—new insights, 2006 - Springer
This chapter reviews different aspects of hydrogen bonding (H-bonding) interaction in terms
of its nature, occurrence, and other characteristic features. H-bonding is the most widely …

Improper, blue-shifting hydrogen bond

P Hobza, Z Havlas - Theoretical Chemistry Accounts, 2002 - Springer
The spectral manifestation and the nature of improper, blue-shifting hydrogen-bonded
complexes are entirely different from those of standard hydrogen-bonded complexes. While …

Comparison of cooperativity in CH⊙⊙⊙ O and OH⊙⊙⊙ O hydrogen bonds

T Kar, S Scheiner - The Journal of Physical Chemistry A, 2004 - ACS Publications
The ability of one H-bond in a chain to affect others is assessed by comparing the CH⊙⊙⊙
O bonds in (H2CO) n and (HFCO) n to the OH⊙⊙⊙ O bonds in (H2O) n. Both sorts of …

C–H⋯ S Interaction exhibits all the characteristics of conventional hydrogen bonds

S Ghosh, P Chopra, S Wategaonkar - Physical Chemistry Chemical …, 2020 - pubs.rsc.org
This is a tale of a pair of a hydrogen bond donor and acceptor, namely the CH donor and
sulphur acceptor, neither of which is a conventional hydrogen bond participant. Sulfur (S) …