Issue 52, 2002

Oriented crystallization of calcite single crystals grown underneath monolayers of tetracarboxyresorc[4]arenes

Abstract

The crystal structures of rccc-5,11,17,23-tetracarboxy-4,6,10,12,16,18,22,24-octa-O-methyl-2,8,14,20-tetra(n-undecyl)resorc[4]arene, 1, and its Ca salt, 2, are described. Structural data were analyzed in terms of supramolecular packing motifs of the constituent amphiphilic macrocycles. Monolayer experiments indicate that a similar packing arrangement can be predicted for monolayers of 1 spread at the air–water interface. CaCO3 (calcite) single crystals were grown underneath monolayers of 1 with highly uniform (012) orientation. This particular orientation was observed for a variety of structurally dissimilar monolayers indicating that macroscopic film properties such as average charge density or mean dipole moment have a decisive influence on templated calcite growth.

Article information

Article type
Paper
Submitted
04 mar 2002
Accepted
30 apr 2002
First published
16 iyl 2002

CrystEngComm, 2002,4, 288-295

Oriented crystallization of calcite single crystals grown underneath monolayers of tetracarboxyresorc[4]arenes

D. Volkmer, M. Fricke, C. Agena and J. Mattay, CrystEngComm, 2002, 4, 288 DOI: 10.1039/B202208G

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