Sorting of polymorphs based on mechanical properties. Trimorphs of 6-chloro-2,4-dinitroaniline
- 24 March 2005
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 19,p. 2439-2441
- https://doi.org/10.1039/b500712g
Abstract
Mechanical shearing of crystals of a polymorph with a layered structure may be used to separate them from harder crystals of a visually indistinguishable polymorph that resist such shearing.Keywords
This publication has 10 references indexed in Scilit:
- New trends in crystal engineeringCrystEngComm, 2005
- The innovative momentum of crystal engineeringCrystEngComm, 2004
- Crystal structures of drugs: advances in determination, prediction and engineeringNature Reviews Drug Discovery, 2004
- Solid state nuclear bromination with N-bromosuccinimide. Part 1. Experimental and theoretical studies on some substituted aniline, phenol and nitro aromatic compounds †Journal of the Chemical Society, Perkin Transactions 2, 2000
- Concomitant PolymorphsAngewandte Chemie-International Edition, 1999
- A review of thirty years of research on quinacridones. X-ray crystallography and crystal engineeringDyes and Pigments, 1999
- Conformational polymorphism of dimethyl 3,6-dichloro-2,5-dihydroxyterephthalate. I. Structures and atomic displacement parameters between 100 and 350 K for three crystal formsActa crystallographica Section B, Structural science, crystal engineering and materials, 1989
- The role of Cl.cntdot..cntdot..cntdot.Cl and C-H.cntdot..cntdot..cntdot.O interactions in the crystal engineering of 4-.ANG. short-axis structuresAccounts of Chemical Research, 1986
- Intermolecular proton transfers in the solid state. Conversion of the hydroxyazo into the quinone hydrazone tautomer of 2-amino-3-hydroxy-6-phenylazopyridine. X-Ray crystal structures of the two formsJournal of the Chemical Society, Perkin Transactions 2, 1983
- Conversion in the solid state of the yellow to the red form of 2-(4'-methoxyphenyl)-1,4-benzoquinone. X-ray crystal structures and anisotropy of the rearrangementJournal of the American Chemical Society, 1977