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Proton NMR Investigations of Intermediate Spin Iron(III) Complexes with Macrocyclic N₄²⁻ Chelate Ligands

Title data

Weber, Birgit ; Walker, F. Ann ; Karaghiosoff, Konstantin:
Proton NMR Investigations of Intermediate Spin Iron(III) Complexes with Macrocyclic N₄²⁻ Chelate Ligands.
In: Zeitschrift für anorganische und allgemeine Chemie. Vol. 639 (2013) Issue 8-9 . - pp. 1498-1503.
ISSN 0044-2313
DOI: https://doi.org/10.1002/zaac.201300172

Abstract in another language

Proton NMR spectra of five macrocyclic iron(III) intermediate-spin complexes are investigated. The signal assignment was accomplished for all five complexes. The temperature dependence of the NMR spectra reveals that for complexes of the type Fe1 an ideal Curie behaviour is observed indicating the absence of excited states. This is not the case for complexes of the type Fe2 and Fe3. A significant deviation from the Curie straight line is observed for Fe3-Cl indicating low-lying excited states. Single crystals suitable for X-ray structure analysis were obtained for the complexes Fe2-Cl and Fe3-I and the X-ray structure of those two complexes is presented.

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 11:50
Last Modified: 26 Jul 2017 11:50
URI: https://eref.uni-bayreuth.de/id/eprint/38821