Experimental and computational growth morphology of two polymorphs of a yellow isoxazolone dye

We report on the crystal structures and the experimentally found and the computationally predicted growth morphologies of two polymorphs of a yellow isoxazolone dye. The stable polymorph I has a blocklike habit, and the metastable polymorph II grows as fine needles, nucleating only by heterogeneous...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1999. - 21(2005), 9 vom: 26. Apr., Seite 3831-7
1. Verfasser: Deij, M A (VerfasserIn)
Weitere Verfasser: Aret, E, Boerrigter, S X M, van Meervelt, L, Deroover, G, Meekes, H, Vlieg, E
Format: Aufsatz
Sprache:English
Veröffentlicht: 2005
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Experimental and computational growth morphology of two polymorphs of a yellow isoxazolone dye 
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520 |a We report on the crystal structures and the experimentally found and the computationally predicted growth morphologies of two polymorphs of a yellow isoxazolone dye. The stable polymorph I has a blocklike habit, and the metastable polymorph II grows as fine needles, nucleating only by heterogeneous or contact nucleation. The habits of both polymorphs depend on the supersaturation during growth. The experimental observations are compared with predictions of the attachment energy model and kinetic Monte Carlo lattice simulations in which the growth is modeled as an "atomistic process", governed by surface energetics. These Monte Carlo simulations correctly predict the shape and the dependence on supersaturation of the crystal morphology for both polymorphs: for polymorph I, a strong dependence on supersaturation is found from the simulations. For polymorph II, the order of morphological importance is reproduced correctly, as well as the needlelike morphology 
650 4 |a Journal Article 
700 1 |a Aret, E  |e verfasserin  |4 aut 
700 1 |a Boerrigter, S X M  |e verfasserin  |4 aut 
700 1 |a van Meervelt, L  |e verfasserin  |4 aut 
700 1 |a Deroover, G  |e verfasserin  |4 aut 
700 1 |a Meekes, H  |e verfasserin  |4 aut 
700 1 |a Vlieg, E  |e verfasserin  |4 aut 
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