Vibrational coherence of DCl in cryogenic matrices: from van der Waals interaction to weak hydrogen bond

2002 ◽  
Author(s):  
Claudine Crepin-Gilbert ◽  
M. Broquier ◽  
A. Cuisset ◽  
Henri DuBost ◽  
Jean-Pierre Galaup ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Van Der Waals ◽  
Van Der Waals Interaction ◽  
Weak Hydrogen Bond ◽  
Vibrational Coherence

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

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.

Effect of media overcoat on van der Waals interaction at the head–disk interface

2005 ◽  
Vol 97 (12) ◽  
pp. 126106 ◽  
Author(s):  
Raymond R. Dagastine ◽  
Lee R. White ◽  
Paul M. Jones ◽  
Yiao-Tee Hsia
Keyword(s):  
Van Der Waals ◽  
Van Der Waals Interaction ◽  
Head Disk Interface ◽  
Disk Interface
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