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Issue 18, 2014
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Fine tuning of crystal architecture by intermolecular interactions: synthon engineering

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Abstract

There has been a long time effort to influence or favourably fine tune structural properties by introduction of substituents or guest molecules of different sizes, shapes and chemical composition to consequently alter physico-chemical properties of the respective crystals. These attempts require the recognition, understanding and application of intermolecular interactions, crystallographic and, in case of occurrence, non-crystallographic symmetries. It brings us to the field of crystal engineering, which aims to produce new substances with required properties based on the knowledge of the structural properties of already characterised solids. A series of calixarene crystal structures are presented where the crystal packing is determined by spatial or by electrostatic effects. A series of laterally substituted calixarenes where both steric requirements and electrostatic forces play a role in the crystal architecture shows how the supramolecular synthon can be engineered.

Graphical abstract: Fine tuning of crystal architecture by intermolecular interactions: synthon engineering

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Article information


Submitted
22 Nov 2013
Accepted
13 Jan 2014
First published
13 Jan 2014

This article is Open Access

CrystEngComm, 2014,16, 3646-3654
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Fine tuning of crystal architecture by intermolecular interactions: synthon engineering

P. Bombicz, T. Gruber, C. Fischer, E. Weber and A. Kálmán, CrystEngComm, 2014, 16, 3646
DOI: 10.1039/C3CE42387E

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