Crystal morphology and their lattice contraction control for the topochemical reaction of bis(phenylethenyl)-dicyanopyrazines

Jae Hong Kim, Young Chul Choi, Bong Shik Kim, Dong Hoon Choi, Sung Hoon Kim

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Topochemical photoreaction of bis(phenylethenyl)-dicyanopyrazines (1) was conducted in solution, in the vapor deposited thin film, and in the single crystals. Compound 1 showed the crystal morphology to give the yellow and orange colored crystals. The difference in crystal structures of yellow and orange crystals was confirmed with X-ray crystal analysis which revealed that the orange one was contracted in the crystallographic c-axis by 0.11 Å than that of the yellow one at the same temperature. The physical property and photoreactivity of two crystals were explained with the topochemical control and lattice contraction.

Original languageEnglish
Pages (from-to)422-428
Number of pages7
JournalDyes and Pigments
Volume76
Issue number2
DOIs
Publication statusPublished - 2008 Jan 1

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Crystal lattices
Crystals
Photoreactivity
Physical properties
Crystal structure
Vapors
Single crystals
X rays
Thin films
Temperature

Keywords

  • Crystal morphology
  • Intermolecular interaction
  • Lattice contraction
  • Topochemical photoreaction

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Process Chemistry and Technology

Cite this

Crystal morphology and their lattice contraction control for the topochemical reaction of bis(phenylethenyl)-dicyanopyrazines. / Kim, Jae Hong; Choi, Young Chul; Kim, Bong Shik; Choi, Dong Hoon; Kim, Sung Hoon.

In: Dyes and Pigments, Vol. 76, No. 2, 01.01.2008, p. 422-428.

Research output: Contribution to journalArticle

Kim, Jae Hong ; Choi, Young Chul ; Kim, Bong Shik ; Choi, Dong Hoon ; Kim, Sung Hoon. / Crystal morphology and their lattice contraction control for the topochemical reaction of bis(phenylethenyl)-dicyanopyrazines. In: Dyes and Pigments. 2008 ; Vol. 76, No. 2. pp. 422-428.
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