DOI:10.1134/S0022476620090024 - Corpus ID: 222299340
COMPARISON OF DIFFERENT COMPUTATIONAL APPROACHES FOR UNVEILING THE HIGH-PRESSURE BEHAVIOR OF ORGANIC CRYSTALS AT A MOLECULAR LEVEL. CASE STUDY OF TOLAZAMIDE POLYMORPHS
@article{Fedorov2020COMPARISONOD, title={COMPARISON OF DIFFERENT COMPUTATIONAL APPROACHES FOR UNVEILING THE HIGH-PRESSURE BEHAVIOR OF ORGANIC CRYSTALS AT A MOLECULAR LEVEL. CASE STUDY OF TOLAZAMIDE POLYMORPHS}, author={Alexey Yu. Fedorov and Denis A. Rychkov and Denis A. Rychkov}, journal={Journal of Structural Chemistry}, year={2020}, volume={61}, pages={1356 - 1366}, url={https://api.semanticscholar.org/CorpusID:222299340} }
- A. Fedorov, D. Rychkov, D. Rychkov
- Published in Journal of Structural… 1 September 2020
- Materials Science, Chemistry
The study of the high-pressure behavior of molecular crystals helps find limits of their stability, as well as obtain previously unknown new phases. This may result in the creation of new materials…
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45 References
High-pressure studies on molecular crystals—relations between structure and high-pressure behavior
- I. OrgzallF. EmmerlingB. SchulzO. Franco
- Chemistry, Materials Science
- 2008
This paper summarizes attempts to understand structure–property relationships for a large class of aromatic diphenyl-1,3,4-oxadiazole molecules. Starting from the investigation of the crystal…
Pressure-driven phase transition mechanisms revealed by quantum chemistry: l-serine polymorphs.
- D. RychkovJ. StareE. Boldyreva
- Chemistry, Materials Science
- 2017
This study has shown that at the macroscopic level the main driving force of the phase transitions is the decrease in the volume of the crystal unit cell, which contributes to the enthalpy difference between the two forms, but not to the difference in their internal crystal energies.
Intermolecular Interactions in Ionic Crystals of Nucleobase Chlorides—Combining Topological Analysis of Electron Densities with Energies of Electrostatic Interactions
- Prashant KumarM. CabajP. Dominiak
- Chemistry
- 2019
Understanding intermolecular interactions in crystals of molecular ions continues to be difficult. On the one hand, the analysis of interactions from the point of view of formal charges of molecules,…
Completing the picture of tolazamide polymorphism under extreme conditions: a low-temperature study.
- A. FedorovD. RychkovE. LosevT. N. DrebushchakE. Boldyreva
- Materials Science, Chemistry
- 2019
Structural changes in two polymorphs of tolazamide, on cooling to 100 K and reverse heating, showed that increasing steric density is likely to be the driving force for the conformational ordering of the azepane ring under compression.
A Short Review of Current Computational Concepts for High-Pressure Phase Transition Studies in Molecular Crystals
- D. Rychkov
- Chemistry, Materials Science
- 2020
High-pressure chemistry of organic compounds is a hot topic of modern chemistry. In this work, basic computational concepts for high-pressure phase transition studies in molecular crystals are…
Effect of pressure on two polymorphs of tolazamide: why no interconversion?
Two polymorphs of tolazamide, N-[(azepan-1-ylamino)carbonyl]-4-methylbenzenesulfonamide, a sulfonylurea anti-diabetic drug, have different densities and molecular packings. Polymorph II converts into…
Accurate and Efficient Model Energies for Exploring Intermolecular Interactions in Molecular Crystals.
- M. J. TurnerS. GrabowskyD. JayatilakaM. Spackman
- Chemistry
- 2014
A series of energy models derived by fitting to dispersion-corrected DFT energies for a large number of molecular pairs extracted from organic and inorganic molecular crystals are expected to find widespread application in investigations of molecular crystals.
Simulations of high-pressure phases in RDX.
- L. MundayP. ChungB. RiceS. Solares
- Materials Science
- 2011
The pressure-dependent atomic structure, mechanical properties, and transition behavior of the energetic molecular crystal hexahydro-1,3,5-trinitro-s-triazine is described reasonably well.
Performance of M06, M06-2X, and M06-HF density functionals for conformationally flexible anionic clusters: M06 functionals perform better than B3LYP for a model system with dispersion and ionic hydrogen-bonding interactions.
- M. WalkerAndrew J. A. HarveyAnanya SenC. Dessent
- Chemistry
- 2013
A comparative assessment of the performance of the M06 suite of density functionals against an MP2 benchmark for calculating the relative energies and geometric structures of the Cl(-)·arginine and Br(-)-amino acid clusters is presented, providing insight into the types of physical systems where each of these functionals should perform best.
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