Impact of the Schiff base ligand substituents on the solid state and solution properties of eleven iron(iii) complexes

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F19%3A73598089" target="_blank" >RIV/61989592:15310/19:73598089 - isvavai.cz</a>

Výsledek na webu

<a href="https://pubs.rsc.org/en/content/articlehtml/2019/nj/c9nj03087e" target="_blank" >https://pubs.rsc.org/en/content/articlehtml/2019/nj/c9nj03087e</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1039/c9nj03087e" target="_blank" >10.1039/c9nj03087e</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Impact of the Schiff base ligand substituents on the solid state and solution properties of eleven iron(iii) complexes

Popis výsledku v původním jazyce

Investigations on a series of mononuclear iron(iii) Schiff base complexes of the general formula [Fe(L)Cl]center dot S (where L2- is a Schiff base ligand anion, S is a solvent molecule) are reported. Derivatives of salicylaldehyde or 2-hydroxy-1-naphthaldehyde were used in combination with linear either symmetrical or non-symmetrical aliphatic triamines to synthesize the Schiff base ligands and subsequent reactions with iron(iii) chloride afforded various [Fe(L)Cl] complexes. Compounds were characterized by conventional techniques and the crystal structures of all complexes were determined as well. A structural study revealed the relationship between the spatial arrangement of the N3O2-donor atom set and the length of the aliphatic part of the Schiff base ligand. Magnetic and EPR investigations confirmed the high spin state behaviour in all reported compounds and their analysis allowed quantification of the spin Hamiltonian parameters. Formation of hydrogen-bonded pseudodimers with an antiferromagnetic exchange coupling was found in the complexes with the shortest aliphatic part of the Schiff base ligands. Experimental exchange coupling constants were in good agreement with those obtained from DFT calculations and correlated with the strength of the hydrogen bonds. Cyclic and square wave voltammetry techniques were employed to investigate the redox properties of the reported compounds and the experimental redox potentials were compared with those obtained from the DFT calculations.

Název v anglickém jazyce

Impact of the Schiff base ligand substituents on the solid state and solution properties of eleven iron(iii) complexes

Popis výsledku anglicky

Investigations on a series of mononuclear iron(iii) Schiff base complexes of the general formula [Fe(L)Cl]center dot S (where L2- is a Schiff base ligand anion, S is a solvent molecule) are reported. Derivatives of salicylaldehyde or 2-hydroxy-1-naphthaldehyde were used in combination with linear either symmetrical or non-symmetrical aliphatic triamines to synthesize the Schiff base ligands and subsequent reactions with iron(iii) chloride afforded various [Fe(L)Cl] complexes. Compounds were characterized by conventional techniques and the crystal structures of all complexes were determined as well. A structural study revealed the relationship between the spatial arrangement of the N3O2-donor atom set and the length of the aliphatic part of the Schiff base ligand. Magnetic and EPR investigations confirmed the high spin state behaviour in all reported compounds and their analysis allowed quantification of the spin Hamiltonian parameters. Formation of hydrogen-bonded pseudodimers with an antiferromagnetic exchange coupling was found in the complexes with the shortest aliphatic part of the Schiff base ligands. Experimental exchange coupling constants were in good agreement with those obtained from DFT calculations and correlated with the strength of the hydrogen bonds. Cyclic and square wave voltammetry techniques were employed to investigate the redox properties of the reported compounds and the experimental redox potentials were compared with those obtained from the DFT calculations.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

<a href="/cs/project/LO1305" target="_blank" >LO1305: Rozvoj centra pokročilých technologií a materiálů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

NEW JOURNAL OF CHEMISTRY

ISSN

1144-0546

e-ISSN

—

Svazek periodika

43

Číslo periodika v rámci svazku

35

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

13

Strana od-do

13916-13928

Kód UT WoS článku

000484979300024

EID výsledku v databázi Scopus

2-s2.0-85072103043