Topological analysis of the molecular charge density and impact sensitivy models of energetic molecules

G Anders, I Borges Jr - The Journal of Physical Chemistry A, 2011 - ACS Publications
Important explosives of practical use are composed of nitroaromatic molecules. In this work,
we optimized geometries and calculated the electron density of 17 nitroaromatic molecules …

Crystal polymorphism in oxalyl dihydrazide: Is empirical DFT-D accurate enough?

S Wen, GJO Beran - Journal of Chemical Theory and …, 2012 - ACS Publications
Crystalline oxalyl dihydrazide has five experimentally known polymorphs whose energetics
are governed by subtle balances between intra-and intermolecular interactions, providing a …

CCSD (T)/CBS fragment-based calculations of lattice energy of molecular crystals

C Červinka, M Fulem, K Růžička - The Journal of chemical physics, 2016 - pubs.aip.org
A comparative study of the lattice energy calculations for a data set of 25 molecular crystals
is performed using an additive scheme based on the individual energies of up to four-body …

The challenges of developing an API crystallization process for a complex polymorphic and highly solvating system. Part I

BP Chekal, AM Campeta, YA Abramov… - … Process Research & …, 2009 - ACS Publications
Developing a robust crystallization process for an active pharmaceutical ingredient (API)
molecule with a complex polymorphic profile can present a significant challenge. The …

Polymorphism in molecular crystals

AD Bond - Current opinion in solid state and materials science, 2009 - Elsevier
Reports concerning polymorphism in molecular crystals published in the period 2007–2008
are reviewed. A general survey is given of structural and crystallisation studies in …

[HTML][HTML] Exploring the CSD Drug Subset: An Analysis of Lattice Energies and Constituent Intermolecular Interactions for the Crystal Structures of Pharmaceuticals

CY Ma, AA Moldovan, AGP Maloney… - Journal of Pharmaceutical …, 2023 - Elsevier
Intermolecular (synthonic) modelling is used for a statistical analysis of crystal lattice
energies, together with their contributing intermolecular interactions for the crystallographic …

New angles on standard force fields: Toward a general approach for treating atomic-level anisotropy

MJ Van Vleet, AJ Misquitta… - Journal of Chemical …, 2018 - ACS Publications
Nearly all standard force fields employ the “sum-of-spheres” approximation, which models
intermolecular interactions purely in terms of interatomic distances. Nonetheless, atoms in …

Intermolecular interactions in molecular organic crystals upon relaxation of lattice parameters

M Stein, M Heimsaat - Crystals, 2019 - mdpi.com
Crystal structure prediction is based on the assumption that the most thermodynamically
stable structure will crystallize first. The existence of other structures such as polymorphs or …

Substitutional and orientational disorder in organic crystals: a symmetry-adapted ensemble model

M Habgood, R Grau-Crespo, SL Price - Physical Chemistry Chemical …, 2011 - pubs.rsc.org
Modelling of disorder in organic crystals is highly desirable since it would allow
thermodynamic stabilities and other disorder-sensitive properties to be estimated for such …

Crystal structure prediction for cyclotrimethylene trinitramine (RDX) from first principles

R Podeszwa, BM Rice, K Szalewicz - Physical Chemistry Chemical …, 2009 - pubs.rsc.org
Crystal structure prediction and molecular dynamics methods were applied to the
cyclotrimethylene trinitramine (RDX) crystal to explore the stability rankings of various …