Cyano-Bridged d–f Ensembles of the Dysprosium Tetrapyridine Complexes with the Hexacyanoferrate Anion

The reactions of DyX 3 · 6H 2 O (X = NCS, Cl) with 2,2':6',2''-terpyridine (Terpy) and K 3 Fe(CN) 6 in aqueous-alcohol solutions afford cyano-bridged ensembles [Dy(Terpy)(H 2 O) 3 Fe(CN) 6 ] · n H 2 O, [Dy 2 (Terpy) 2 (H 2 O) 3 (CO 3 )(NCS)Fe(CN) 6 ] · 4H 2 O, and [Dy 2 (Terpy) 2...

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Bibliographic Details
Published in:Russian journal of coordination chemistry 2018-11, Vol.44 (11), p.660-666
Main Authors: Petrosyants, S. P., Ilyukhin, A. B., Efimov, N. N., Novotortsev, V. M.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Diffraction
Dysprosium
Infrared spectroscopy
Inorganic Chemistry
Magnetic induction
Magnetic properties
Magnetic relaxation
Physical Chemistry
Spin dynamics
Structural analysis
X-ray diffraction
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Summary:The reactions of DyX 3 · 6H 2 O (X = NCS, Cl) with 2,2':6',2''-terpyridine (Terpy) and K 3 Fe(CN) 6 in aqueous-alcohol solutions afford cyano-bridged ensembles [Dy(Terpy)(H 2 O) 3 Fe(CN) 6 ] · n H 2 O, [Dy 2 (Terpy) 2 (H 2 O) 3 (CO 3 )(NCS)Fe(CN) 6 ] · 4H 2 O, and [Dy 2 (Terpy) 2 (H 2 O) 4 (CO 3 )(NCS)Fe(CN) 6 ] · 11.4H 2 O. The compounds obtained are identified by the data of elemental analysis, IR spectroscopy, X-ray diffraction analysis, and X-ray structure analysis (CIF files CCDC nos. 1827138–1827140). The study of the magnetic properties of complex [Dy(Terpy)(H 2 O) 3 Fe(CN) 6 ] · n H 2 O shows the low-spin state of Fe 3+ . The dynamic magnetic behavior of this complex exhibits a slow magnetic relaxation.
ISSN:1070-3284
1608-3318
DOI:10.1134/S1070328418110064