scholarly journals The Weak Hydrogen Bond: Applications to Structural Chemistry and Biology(International Union of Crystallography Monographs on Crystallography, 9). By Gautam R. Desiraju

Molecules ◽  
1999 ◽  
Vol 4 (12) ◽  
pp. 318-319
Author(s):  
Shu-Kun Lin
Keyword(s):  
Hydrogen Bond ◽  
Structural Chemistry ◽  
Weak Hydrogen Bond ◽  
International Union

scholarly journals Chalcogen Bond versus Weak Hydrogen Bond: Changing Contributions in Determining the Crystal Packing of [1,2,5]-Chalcogenadiazole-Fused Tetracyanonaphthoquinodimethanes

2021 ◽  
Vol 03 (02) ◽  
pp. 090-096
Author(s):  
Yusuke Ishigaki ◽  
Kota Asai ◽  
Takuya Shimajiri ◽  
Tomoyuki Akutagawa ◽  
Takanori Fukushima ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Density Functional ◽  
Molecular Design ◽  
Crystal Packing ◽  
Cyano Group ◽  
Density Functional Theory Calculations ◽  
Weak Hydrogen Bond ◽  
Functional Theory ◽  
Chalcogen Bond ◽  
Thiadiazole Ring

The crystal structures of a series of tetracyanonaphthoquinodimethanes fused with a selenadiazole or thiadiazole ring revealed that their molecular packing is determined mainly by two intermolecular interactions: chalcogen bond (ChB) and weak hydrogen bond (WHB). ChB between Se and a cyano group dictates the packing of selenadiazole derivatives, whereas the S-based ChB is much weaker and competes with WHB in thiadiazole analogues. This difference can be explained by different electrostatic potentials as revealed by density functional theory calculations. A proper molecular design that weakens WHB can change the contribution of ChB in determining the crystal packing of thiadiazole derivatives.

Influence of a Weak Hydrogen Bond on Vibrational Coherence Probed by Photon Echoes in DCl Dimer Trapped in Solid Nitrogen

2005 ◽  
Vol 109 (22) ◽  
pp. 4873-4880 ◽  
Author(s):  
M. Broquier ◽  
C. Crépin ◽  
A. Cuisset ◽  
H. Dubost ◽  
J. P. Galaup
Keyword(s):  
Hydrogen Bond ◽  
Weak Hydrogen Bond ◽  
Vibrational Coherence ◽  
Photon Echoes ◽  
Solid Nitrogen
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