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Influence of the Alkyl Chain Length on the Self-Assembly of Amphiphilic Iron Complexes : An Analysis of X-ray Structures

Title data

Schlamp, Stephan ; Thoma, Peter ; Weber, Birgit:
Influence of the Alkyl Chain Length on the Self-Assembly of Amphiphilic Iron Complexes : An Analysis of X-ray Structures.
In: Chemistry : a European Journal. Vol. 20 (2014) Issue 21 . - pp. 6462-6473.
ISSN 1521-3765
DOI: https://doi.org/10.1002/chem.201304653

Abstract in another language

Several new amphiphilic iron complexes were synthesised and characterised by single crystal X-ray structure analysis. The Schiff-base-like equatorial ligands contain long alkyl chains in their outer periphery with chain lengths of 8, 12, 16 and 22 carbon atoms. As axial ligands methanol, pyridine, 4-aminopyridine, 4-(dimethylamino)pyridine and 1,2-bis(4-pyridyl)ethane were used. X-ray structure analysis of the products reveals different coordination numbers, depending on the combination of equatorial and axial ligand. The driving force for this is the self-assembly to lipid-layer-like arrangements. This can be controlled through the chain lengths and the dimension of the axial ligands in a crystal-engineering-like approach. For this an empirical rule is introduced concerning the crystallisation behaviour of the complexes. The efficacy of this rule is confirmed with the crystallisation of an octahedral complex with two docosyl (C22) chains in the outer periphery. The rule is also applied to other ligand systems.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry IV > Chair Anorganic Chemistry IV - Univ.-Prof. Dr. Birgit Weber
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry IV
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 26 Jul 2017 10:32
Last Modified: 26 Jul 2017 10:32
URI: https://eref.uni-bayreuth.de/id/eprint/38814