NDLI: Achieving dynamic behaviour and thermal expansion in the organic solid state <i>via</i> co-crystallization

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Achieving dynamic behaviour and thermal expansion in the organic solid state via co-crystallization

Content Provider	Royal Society of Chemistry (RSC)
Author	Groeneman, Ryan H. Reinheimer, Eric W. Hutchins, Kristin M. Swenson, Dale C. MacGillivray, Leonard R.
Copyright Year	2015
Abstract	Thermal expansion involves a response of a material to an external stimulus that typically involves an increase in a crystallographic axis (positive thermal expansion (PTE)), although shrinking with applied heat (negative thermal expansion (NTE)) is known in rarer cases. Here, we demonstrate a means to achieve dynamic molecular motion and thermal expansions in organic solids via co-crystallizations. One co-crystal component is known to exhibit dynamic behaviour in the solid state while the second, when varied systematically, affords co-crystals with linear thermal expansion coefficients that range from colossal to nearly zero. Two co-crystals exhibit rare NTE. We expect the approach to guide the design of molecular solids that enable predesigned motion related to thermal expansion processes.
Starting Page	4717
Ending Page	4722
Page Count	6
File Format	HTM / HTML PDF
ISSN	20416520
Volume Number	6
Issue Number	8
Journal	Chemical Science
DOI	10.1039/c5sc00988j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	Thermal expansion Cocrystal Negative thermal expansion
Content Type	Text
Resource Type	Article
Subject	Chemistry

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