Hexakis(dimethylformamide)iron(II) complex cation in hexahalorhenate(IV)-based salts : |b synthesis, X-ray structure and magnetic properties

HIERRO

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CATIONES

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PROPIEDADES MAGNETICAS

PROPIEDADES MAGNETICAS

2018

Two iron(II)-rhenium(IV) compounds of general formula [FeII(dmf)6][ReIVX6] [X = Cl (1) and Br (2); dmf = N,N-dimethylformamide] have been prepared and characterized. X-ray powder diffraction measurements on samples of 1 and 2 support the same structure for both systems. The crystal structure of 1 was determined by single-crystal X-ray diffraction. 1 crystallizes in the triclinic system with space group Pī. Each iron(II) is six-coordinate and bonded to six oxygens from six dmf molecules building a distorted octahedral environment. Rhenium(IV) is six-coordinate by six halide anions in an almost regular octahedral geometry. The magnetic properties were investigated from variable-temperature magnetic susceptibility measurements performed on microcrystalline samples of 1 and 2, whose experimental data were reproduced by a model of two isolated paramagnetic centers [S = 2 (FeII) and S = 3/2 (ReIV)] with large values of zero-field splitting (zfs) parameter. Keywords: Rhenium(IV) complexes, iron(II) complexes, X-ray diffraction, magnetic properties Sample our Engineering & Technology journals, sign in here to start your access, latest two full volumes FREE to you for 14 days Journal of Information Display Sign up today for updates in your subject People also read Article Iron(II) complex of 2-(1H-pyrazol-1-yl)pyridine-4-carboxylic acid (ppCOOH) suitable for surface deposition Víctor García-López et al. Journal of Coordination Chemistry Volume 71, 2018 - Issue 6 Published online: 5 Feb 2018 Article Synthesis, X-ray crystal structure and DFT studies of cobalt(II) and vanadium(V) complexes with N,N,O-tridentate aroyl-hydrazone based ligand Mir Abolfazl Naziri et al. Journal of Coordination Chemistry Volume 71, 2018 - Issue 1 Published online: 15 Feb 2018 Article Syntheses, crystal structures and antibacterial activities of two new Mn(II) complexes based on triaryltriazoles Shi-Pei Zhang et al. Journal of Coordination Chemistry Volume 71, 2018 - Issue 1 Published online: 31 Jan 2018 Article Syntheses and crystal structures of organoindium(III) 1-D coordination polymers with bis(diphenylphosphino)alkane dioxides Clovis Peppe et al. Journal of Coordination Chemistry Volume 71, 2018 - Issue 6 Published online: 22 Feb 2018 Article Copper(II)-dipicolinate-mediated clickable azide–alkyne cycloaddition in water as solvent Lahoucine Bahsis et al. Journal of Coordination Chemistry Volume 71, 2018 - Issue 5 Published online: 20 Feb 2018 Article Synthesis, characterization and magnetic properties of mixed-valence iron complexes with 2-pyridyl oximes Lorena Martínez et al.

Journal of Coordination Chemistry v. 71, no. 6, 2018. -- p.737-747

Taylor and Francis Group

2018

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DOI: 10.1080/00958972.2017.1423477

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