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 …

Oxalyl dihydrazide polymorphism: a periodic dispersion-corrected DFT and MP2 investigation

D Presti, A Pedone, MC Menziani, B Civalleri… - …, 2014 - pubs.rsc.org
The molecular crystal of oxalyl dihydrazide differentiates into five polymorphs that are
governed by inter-and intramolecular hydrogen bonds. The complex mixture of such …

Improving density functional theory for crystal polymorph energetics

CR Taylor, PJ Bygrave, JN Hart, NL Allan… - Physical Chemistry …, 2012 - pubs.rsc.org
We show that the quality of density functional theory (DFT) predictions for the relative
stabilities of polymorphs of crystalline para-diiodobenzene (PDIB) is dramatically improved …

Overcoming the difficulties of predicting conformational polymorph energetics in molecular crystals via correlated wavefunction methods

C Greenwell, JL McKinley, P Zhang, Q Zeng, G Sun… - Chemical …, 2020 - pubs.rsc.org
Molecular crystal structure prediction is increasingly being applied to study the solid form
landscapes of larger, more flexible pharmaceutical molecules. Despite many successes in …

Accurate and robust molecular crystal modeling using fragment-based electronic structure methods

GJO Beran, S Wen, K Nanda, Y Huang… - Prediction and calculation …, 2014 - Springer
Accurately modeling molecular crystal polymorphism requires careful treatment of diverse
intra-and intermolecular interactions which can be difficult to achieve without the use of high …

Understanding molecular crystals with dispersion-inclusive density functional theory: pairwise corrections and beyond

L Kronik, A Tkatchenko - Accounts of chemical research, 2014 - ACS Publications
Conspectus Molecular crystals are ubiquitous in many areas of science and engineering,
including biology and medicine. Until recently, our ability to understand and predict their …

Benchmarking calculated lattice parameters and energies of molecular crystals using van der Waals density functionals

DJ Carter, AL Rohl - Journal of Chemical Theory and …, 2014 - ACS Publications
The development of new functionals and methods to accurately describe van der Waals
forces in density functional theory (DFT) has become popular in recent years, with the vast …

Structure and stability of molecular crystals with many-body dispersion-inclusive density functional tight binding

M Mortazavi, JG Brandenburg, RJ Maurer… - The journal of …, 2018 - ACS Publications
Accurate prediction of structure and stability of molecular crystals is crucial in materials
science and requires reliable modeling of long-range dispersion interactions. Semiempirical …

Modeling the interplay of inter-and intramolecular hydrogen bonding in conformational polymorphs

PG Karamertzanis, GM Day, GWA Welch… - The Journal of …, 2008 - pubs.aip.org
The predicted stability differences of the conformational polymorphs of oxalyl dihydrazide
and ortho-acetamidobenzamide are unrealistically large when the modeling of …

Intermolecular interaction energies in molecular crystals: comparison and agreement of localized Møller–Plesset 2, dispersion-corrected density functional, and …

L Maschio, B Civalleri, P Ugliengo… - The Journal of Physical …, 2011 - ACS Publications
A comparative analysis of the intermolecular energy for a data set including 60 molecular
crystals with a large variety of functional groups has been carried out using three different …