A high Z′ structure of an organic salt with unusually high phase stability, nanoindentation, and mechano and vapo-fluorochromism

I Ahmad, AA Ganie, S Ahmad, AA Ahangar… - …, 2023 - pubs.rsc.org
Understanding the molecular packing is pivotal to understand the process of crystal growth
and the establishment of the structure–property relationship. We report a two-component …

Melting pseudosymmetry and thermal expansion in 3-benzoylpropionic acid

T Poręba, M Świątkowski, G Confalonieri - CrystEngComm, 2023 - pubs.rsc.org
The thermal behavior of 3-benzoylpropionic acid (BPA) was investigated using single-crystal
and synchrotron powder X-diffraction, as well as differential scanning calorimetry analysis …

Order–Disorder Phase Transition between High- and Low-Z′ Crystal Structures of the P1 Space Group

R Oketani, H Takahashi, S Clevers… - Crystal Growth & …, 2022 - ACS Publications
We report a crystal structure of Boc-l-methionyl glycine methyl ester (MGP) with eight
molecules in the asymmetric unit (Z′= 8), which is the highest number in dipeptide …

Ethanol-and heat-mediated phase change from a kinetic (Z′= 4) polymorph to a thermodynamic (Z′= 1) polymorph for an N 2, 6-diaryl-1, 3, 5-triazine-2, 4-diamine

SL Tan, YS Tan, MSB Shahari, A Junaid… - …, 2023 - pubs.rsc.org
Two polymorphs, α (Z′= 4) and β (Z′= 1), of an N2, 6-diaryl-1, 3, 5-triazine-2, 4-diamine
derivative have been isolated at different times from ethanol solution. Significant …

Designing biocompatible protein nanoparticles for improving the cellular uptake and antioxidation activity of tetrahydrocurcumin

S Chen, Q Wu, M Ma, Z Huang, F Vriesekoop… - Journal of Drug Delivery …, 2021 - Elsevier
Tetrahydrocurcumin (THC) is a natural molecule with anticancerous, antioxidant and other
beneficial activities. However, its low aqueous solubility leads to poor bioavailability. Sodium …

[PDF][PDF] On the puzzling case of sodium saccharinate 1.875-hydrate: structure description in (3+ 1)-dimensional superspace

T Rekis, A Schönleber… - … Section B: Structural …, 2020 - journals.iucr.org
The structure of sodium saccharinate 1.875-hydrate is presented in three-and (3+ 1)-
dimensional space. The present model is more accurate than previously published …

Monohalogenated carbamates where hydrogen bonding rules without halogen bonding: is there a link between poor carbamate crystal growth and Z′> 1?

P Mocilac, JF Gallagher - CrystEngComm, 2019 - pubs.rsc.org
Three series of monohalophenyl-N-pyridinylcarbamate isomer grids (CxxX) are reported
(with x= para-, meta-, ortho; X= fluorine, chlorine, bromine), and Cx as the aminopyridinyl …

Incommensurate Phase in Λ‐cobalt (III) Sepulchrate Trinitrate Governed by Highly Competitive N− H⋅⋅⋅ O and C− H⋅⋅⋅ O Hydrogen Bond Networks

S Dey, A Schönleber, S van Smaalen… - … A European Journal, 2022 - Wiley Online Library
Phase transitions in molecular crystals are often determined by intermolecular interactions.
The cage complex of [Co (C12H30N8)] 3+⋅ 3 NO3− is reported to undergo a disorder‐order …

Evaluating the importance of fractional Z′ polymorphs in a trifluoromethylated N, N′-diphenyloxalamide derivative

S Bhandary, P Panini, D Chopra - CrystEngComm, 2019 - pubs.rsc.org
We report a rare incidence of crystal dimorphism in the case of molecule N1, N2-bis (3-
(trifluoromethyl) phenyl) oxalamide which exhibits a variable fractional number of symmetry …

Modulated molecular crystals: Incommensurate, high Zʹ forms and their variation as function of temperature and stress

S Dey, CM Reddy, A Schoenleber… - … A: Foundations and …, 2021 - journals.iucr.org
Modulated crystal structures consist of a basic structure that possesses 3D space group
symmetry, while the constituents of the basic unit cell are modulated by a periodic …