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Combining halogen and hydrogen bonding in the 1 : 1 molecular salt (hexamethylenetetraminium) · (p-iodobenzoate) to form 1-D zig-zag chains
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Andreas Lemmerer
Published/Copyright:
March 2, 2011
Abstract
The crystal structure of the molecular salt (hexamethylenetetraminium) · (p-iodobenzoate) is the first example of a complex using the hexamethylene (HMTA) molecule that has both halogen and hydrogen bonding. The desired supramolecular packing arrangement of 1-D zig-zag chains was observed. A detailed breakdown of related HMTA complexes in the literature was used to show that zig-zag chains are a common packing feature of HMTA complexes with bifunctional molecules. The crystal structure determination of the molecular salt shows that the two intermolecular interactions N—H+···OOC– and N···I are positionally disordered around a centre of inversion.
Published Online: 2011-03-02
Published in Print: 2011-05
© by Oldenbourg Wissenschaftsverlag, Johannesburg, Germany
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Articles in the same Issue
- Ab Initio Electron Diffraction Structure Analysis of Zeolites – Direct Methods Determination of NaY
- Symmetry mode analysis of the phase transitions in Rb2ZnBr4
- Crystallographic orientation relationship between bastnaesite, fluocerite and cerianite observed in a crystal from the pikes peak pegmatites
- The use of dispersion-corrected DFT calculations to prevent an incorrect structure determination from powder data: the case of acetolone, C11H11N3O3
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