## Abstract Molecular motions in polyarylates synthesized from substituted bisphenols have been investigated by dynamic mechanical analysis. Substitution at the ring carbon atom results in a more pronounced enhancement in glass transition temperature (__T__~__g__~) as compared to substitution at th
Bidirectional molecular dynamics: Interpretation in terms of a modern formulation of classical mechanics
β Scribed by Kerdcharoen, Teerakiat; Liedl, Klaus R.; Rode, Bernd M.
- Publisher
- John Wiley and Sons
- Year
- 1996
- Tongue
- English
- Weight
- 518 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0192-8651
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β¦ Synopsis
The validity and applicability of bidirectional molecular dynamics is shown in terms of modern classical mechanics. A simple interpretation of bidirectional molecular dynamics is given. This interpretation justifies an easy approach to start from an equilibrium configuration, to perform simulations in parallel in "forward" and "backward" time direction, and to combine the two obtained trajectories into a single one for proper evaluation of statistical quantities. Practical results, obtained for liquid ammonia, are presented.
π SIMILAR VOLUMES
The new numerical approach for consideration of quantum dynamics and calculations of the average values of quantum operators and time correlation functions in the Wigner representation of quantum statistical mechanics has been developed. The time correlation functions have been presented in the form
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## Abstract Recently, the importance of proline ring pucker conformations in collagen has been suggested in the context of hydroxylation of prolines. The previous molecular mechanics parameters for hydroxyproline, however, do not reproduce the correct pucker preference. We have developed a new set