Domino-like thermal phase transition of 2,3-bis(phenylethenyl)-5, 6-dicyanopyrazine crystal

Title
Domino-like thermal phase transition of 2,3-bis(phenylethenyl)-5, 6-dicyanopyrazine crystal
Author(s)
안광순이도경[이도경]김재홍김성훈[김성훈]
Keywords
MORPHOLOGY
Issue Date
201011
Publisher
ELSEVIER SCI LTD
Citation
DYES AND PIGMENTS, v.89, no.1, pp.93 - 95
Abstract
The single crystals of 2 3-bis(phenylethenyl)-5 6-dicyanopyrazine 1 underwent a morphological phase transformation from a yellow crystal to an orange one via a thermal phase transition without the crystal state collapsing The transformation began at a single starting point in the yellow crystal and then spread out into the whole crystal like a domino at 174 5 degrees C This phenomenon was confirmed using the differential scanning calorimetry (DSC) and the X-ray crystal analysis The crystal lattice transformation of compound 1 was explained in terms of the lattice contraction and the intermolecular pi-pi interaction in the solid state (C) 2010 Elsevier Ltd All rights reserved
URI
http://hdl.handle.net/YU.REPOSITORY/23379http://dx.doi.org/10.1016/j.dyepig.2010.08.016
ISSN
0143-7208
Appears in Collections:
공과대학 > 화학공학부 > Articles
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