Issue 36, 2018

Thermosalient effect of two polymorphs of a diketopyrrolopyrrole dye with different crystal systems and molecular arrangements

Abstract

Two polymorphs of a N,N′-dipropylated diketopyrrolopyrrole dye, one yellow and the other orange, were obtained. The yellow polymorph showed a mechanical response upon heating. The X-ray analytical results indicated that the yellow polymorph changed into the orange one during the mechanical response, with a significant change in molecular conformation, molecular arrangement, and space group.

Graphical abstract: Thermosalient effect of two polymorphs of a diketopyrrolopyrrole dye with different crystal systems and molecular arrangements

Supplementary files

Article information

Article type
Communication
Submitted
07 jun 2018
Accepted
09 jul 2018
First published
17 jul 2018

CrystEngComm, 2018,20, 5317-5320

Thermosalient effect of two polymorphs of a diketopyrrolopyrrole dye with different crystal systems and molecular arrangements

H. So, T. Minami, T. Jindo and S. Matsumoto, CrystEngComm, 2018, 20, 5317 DOI: 10.1039/C8CE00940F

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