title: An iron(iii)-centred ferric wheel Fe⊂{Fe6} with a siloxane-based bis-salicylidene Schiff base.
abstract: A new iron(iii)-centred ferric wheel Fe⊂{Fe6} of the formula [Fe7(H2L)6(NCS)6](ClO4)3·10H2O, where H4L = N,N'-bis(3-carboxylsalicylidene)-1,3-bis(3-aminopropyl)tetramethyldisiloxane, was synthesised and fully characterised.57Fe Mössbauer spectra indicate the presence of high spin (S = 5/2) Fe3+cations adopting a slightly different coordination environment in agreement with the X-ray diffraction structure. There are competing antiferromagnetic exchange interactions along the rim (J1= -1.00 cm-1) and the radius (J2= -1.46 cm-1) of the wheel.
authors.affiliation: "Petru Poni" Institute of Macromolecular Chemistry, Aleea G. Ghica Voda 41A, 700487, Iasi, Romania. shova@icmpp.ro.
authors.forename: Sergiu
authors.initials: S
authors.lastname: Shova
authors.affiliation: "Petru Poni" Institute of Macromolecular Chemistry, Aleea G. Ghica Voda 41A, 700487, Iasi, Romania. shova@icmpp.ro.
authors.forename: Maria
authors.identifier: http://orcid.org/0000-0003-4952-5548
authors.initials: M
authors.lastname: Cazacu
authors.affiliation: Laboratoire National des Champs Magnétiques Intenses-CNRS, Université Joseph Fourier, 25 Avenue des Martyrs, 38042 Grenoble Cedex 9, France.
authors.forename: Ghenadie
authors.initials: G
authors.lastname: Novitchi
authors.affiliation: Regional Centre of Advanced Technologies and Materials, Faculty of Sciences, Palacký University in Olomouc, Šlechtitelù 11, 78371 Olomouc, Czech Republic.
authors.forename: Giorgio
authors.identifier: http://orcid.org/0000-0003-2304-2564
authors.initials: G
authors.lastname: Zoppellaro
authors.affiliation: Laboratoire National des Champs Magnétiques Intenses-CNRS, Université Joseph Fourier, 25 Avenue des Martyrs, 38042 Grenoble Cedex 9, France.
authors.forename: Cyrille
authors.initials: C
authors.lastname: Train
authors.affiliation: Institute of Inorganic Chemistry of the University of Vienna, Währinger Strasse 42, A-1090 Vienna, Austria. vladimir.arion@univie.ac.at.
authors.forename: Vladimir B
authors.identifier: http://orcid.org/0000-0002-1895-6460
authors.initials: VB
authors.lastname: Arion