[PDF][PDF] Ambiguous structure determination from powder data: Four different structural models of 4, 11-difluoroquinacridone with similar X-ray powder patterns, fit to the …

C Schlesinger, A Fitterer, C Buchsbaum, S Habermehl… - IUCrJ, 2022 - journals.iucr.org
Four different structural models, which all fit the same X-ray powder pattern, were obtained
in the structure determination of 4, 11-difluoroquinacridone (C20H10N2O2F2) from …

Toward first-principles design of organic nonlinear optical materials: Crystal structure prediction and halogen bonding impact on hyperpolarizabilities of 2-iodo-3 …

ID Yushina, AE Masunov, D Lopez… - Crystal Growth & …, 2018 - ACS Publications
Computational methods can potentially accelerate development of more efficient organic
materials for second harmonic generation. Here, we test the method that includes the …

Supramolecular architecture in some 4-halophenylboronic acids

MR Shimpi, N SeethaLekshmi… - Crystal growth & …, 2007 - ACS Publications
Crystal structures of 4-chloro-and 4-bromophenylboronic acids (1 and 2) and hydrates of 2
and 4-iodophenylboronic acid in two different forms (2a, 3a, and 3b), which were …

From molecule to solid: the prediction of organic crystal structures

AV Dzyabchenko - Russian Journal of Physical Chemistry A, Focus on …, 2008 - Springer
A method for predicting the structure of a molecular crystal based on the systematic search
for a global potential energy minimum is considered. The method takes into account …

Crystal structure prediction of N-halide phthalimide compounds: halogen bonding synthons as a touchstone

ZM Abardeh, A Salimi, AR Oganov - CrystEngComm, 2022 - pubs.rsc.org
We address the crystal structure prediction problem by combining the evolutionary algorithm
USPEX (used to predict sets of low-energy crystal structures) and the synthon approach …

[HTML][HTML] Assessment of computational tools for predicting supramolecular synthons

B Sandhu, A McLean, AS Sinha, J Desper, CB Aakerӧy - Chemistry, 2021 - mdpi.com
The ability to predict the most likely supramolecular synthons in a crystalline solid is a
valuable starting point for subsequently predicting the full crystal structure of a molecule with …

First principles crystal engineering of nonlinear optical materials. I. Prototypical case of urea

AE Masunov, A Tannu, AA Dyakov… - The Journal of …, 2017 - pubs.aip.org
The crystalline materials with nonlinear optical (NLO) properties are critically important for
several technological applications, including nanophotonic and second harmonic …

First-Principles Crystal Engineering of Nonlinear Optical Materials. II. Effect of Halogen Bonds on the Structure and Properties of Triiodobenzenes

AE Masunov, K Torres, AA Dyakov… - The Journal of …, 2018 - ACS Publications
Recently, we proposed a computational design strategy for organic nonlinear optical
materials, based on the global minimization of lattice energy to predict the crystal packing …

Statistical survey of hydrogen-bond motifs in crystallographic special symmetry positions, and the influence of chirality of molecules in the crystal on the formation of …

S Eppel, J Bernstein - Acta Crystallographica Section B: Structural …, 2008 - journals.iucr.org
A statistical survey was carried out to examine the connection between hydrogen-bond ring
motifs (synthons) and crystallographic special symmetry positions. In the first part, the …

Crystal Structures of Pigment Red 170 and Derivatives, as Determined by X‐ray Powder Diffraction

MU Schmidt, DWM Hofmann… - Angewandte Chemie …, 2006 - Wiley Online Library
Pigment Red 170 (1a) is currently one of the most important organic pigments for paints and
coatings with an estimated market share of roughly 50million euros annually. The g phase is …