Concluding remarks

2018 ◽  
Vol 212 ◽  
pp. 603-607
Author(s):  
Ad van der Avoird

The Faraday Discussion on quantum effects in small molecular systems was held on 10th – 12th September 2018 in Edinburgh, UK. It reflected a wide variety of new theoretical and experimental developments, which provide insights and methods applicable to larger systems as well.

2016 ◽  
Vol 195 ◽  
pp. 49-67 ◽  
Author(s):  
Jeremy O. Richardson

Semiclassical instanton theory is used to study the quantum effects of tunnelling and delocalization in molecular systems. An analysis of the approximations involved in the method is presented based on a recent first-principles derivation of instanton rate theory [J. Chem. Phys., 2016,144, 114106]. It is known that the standard instanton method is unable to accurately compute thermal rates near the crossover temperature. The causes of this problem are identified and an improved method is proposed, whereby an instanton approximation to the microcanonical rate is defined and integrated numerically to obtain a thermal rate at any temperature. No new computational algorithms are required, but only data analysis of a number of standard instanton calculations.


2018 ◽  
Vol 54 (97) ◽  
pp. 13620-13625
Author(s):  
Loren Ban ◽  
Matthieu Besemer ◽  
Halima Mouhib

Exciting discussions on the impact of quantum effects in small molecular systems took place in the historical city of Edinburgh this fall 2018 in the unique conference format of the Faraday Discussions.


1997 ◽  
Vol 90 (4) ◽  
pp. 599-609 ◽  
Author(s):  
NAĐA DOSLIC ◽  
S.DANKO BOSANAC

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