About: Spin Crossover in Iron(III) Complexes with Pentadentate Schiff Base Ligands and Pseudohalido Coligands

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About: Spin Crossover in Iron(III) Complexes with Pentadentate Schiff Base Ligands and Pseudohalido Coligands Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://onlinelibrary.wiley.com/doi/10.1002/ejic.201201038/pdf
Description	Iron(III) mononuclear complexes that involve pentadentate Schiff base ligands and chlorido, azido, cyanido, cyanato, thiocyanato, or selenocyanato coligands were synthesized, structurally characterized, and subjected to a magnetochemical investigation. The Schiff bases were derived either from 5-chlorosalicylaldehyde or the 2-hydroxyacetonaphthone analogues by using an asymmetric 1,6-diamino-4-azahexane. A polymorphism that originated from different pentadentate ligand conformations on the iron center or different arrangements of noncovalent contacts was detected for the thiocyanato complexes. The central iron(III) atoms are mostly in the high-spin states, except for that with the coordinated cyanido ligand. Four complexes that contain the thiocyanato or selenocyanato ligand exhibit spin crossover, centered at the critical temperature (T-c) of 42, 114, 282, and 293 K, respectively. The magnetic data of all compounds were analyzed using the spin Hamiltonian formalism including the zero-field splitting (ZFS) term, and in the case of the spin-crossover compounds, the Ising-like model with vibrations was applied. Iron(III) mononuclear complexes that involve pentadentate Schiff base ligands and chlorido, azido, cyanido, cyanato, thiocyanato, or selenocyanato coligands were synthesized, structurally characterized, and subjected to a magnetochemical investigation. The Schiff bases were derived either from 5-chlorosalicylaldehyde or the 2-hydroxyacetonaphthone analogues by using an asymmetric 1,6-diamino-4-azahexane. A polymorphism that originated from different pentadentate ligand conformations on the iron center or different arrangements of noncovalent contacts was detected for the thiocyanato complexes. The central iron(III) atoms are mostly in the high-spin states, except for that with the coordinated cyanido ligand. Four complexes that contain the thiocyanato or selenocyanato ligand exhibit spin crossover, centered at the critical temperature (T-c) of 42, 114, 282, and 293 K, respectively. The magnetic data of all compounds were analyzed using the spin Hamiltonian formalism including the zero-field splitting (ZFS) term, and in the case of the spin-crossover compounds, the Ising-like model with vibrations was applied. (en)
Title	Spin Crossover in Iron(III) Complexes with Pentadentate Schiff Base Ligands and Pseudohalido Coligands Spin Crossover in Iron(III) Complexes with Pentadentate Schiff Base Ligands and Pseudohalido Coligands (en)
skos:prefLabel	Spin Crossover in Iron(III) Complexes with Pentadentate Schiff Base Ligands and Pseudohalido Coligands Spin Crossover in Iron(III) Complexes with Pentadentate Schiff Base Ligands and Pseudohalido Coligands (en)
skos:notation	RIV/61989592:15310/13:33146218!RIV14-MSM-15310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED2.1.00/03.0058), P(EE2.3.20.0017)
http://linked.open...iv/cisloPeriodika	5-6
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Trávníček, Zdeněk Nemec, Ivan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	107056
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/13:33146218
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Pseudohalides; Schiff bases; Ligand design; Spin crossover; Iron (en)
http://linked.open.../riv/klicoveSlovo	Iron Spin crossover Ligand design Pseudohalides Schiff bases
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[9C1EEF2DA7D1]
http://linked.open...i/riv/nazevZdroje	European Journal of Inorganic Chemistry
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Regional Centre of Advanced Technologies and Materials Research team development of the Regional Centre of Advanced Technologies and Materials
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	2013
http://linked.open...iv/tvurceVysledku	Trávníček, Zdeněk Boča, Roman Nemec, Ivan Renz, Franz Augustin, Peter Krueger, Christoph Oshio, Hiroki
http://linked.open...ain/vavai/riv/wos	000316390900035
issn	1434-1948
number of pages	14 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/ejic.201201038
http://localhost/t...ganizacniJednotka	15310

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