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Spin-crossover in iron() coordination compounds with 2,6-bis(benzimidazol-2-yl)pyridine

Ivanova, A. D ; Korotaev, E. V ; Komarov, V. Yu ; Sheludyakova, L. A ; Varnek, V. A ; Lavrenova, L. G

New journal of chemistry, 2020-04, Vol.44 (15), p.5834-584 [Periódico revisado por pares]

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Título:
Spin-crossover in iron() coordination compounds with 2,6-bis(benzimidazol-2-yl)pyridine
Autor: Ivanova, A. D ; Korotaev, E. V ; Komarov, V. Yu ; Sheludyakova, L. A ; Varnek, V. A ; Lavrenova, L. G
Assuntos: Coordination compounds ; Crossovers ; Crystallography ; Infrared spectroscopy ; Iron ; Magnetic permeability ; Mossbauer spectroscopy ; Single crystals ; X ray powder diffraction
É parte de: New journal of chemistry, 2020-04, Vol.44 (15), p.5834-584
Notas: CCDC
10.1039/d0nj00474j
1971484
For crystallographic data in CIF or other electronic format see DOI
Descrição: New iron( ii ) complexes with 2,6-bis(benzimidazol-2-yl)pyridine (L), in particular, [FeL 2 ]A 2 · n H 2 O (A = Br − (I), NO 3 − (II), C 2 N 3 − (III); n = 1 (I), 0.5 (II), 2 (III)) and [NiL 2 ]Br 2 ·1.23H 2 O·3.33EtOH (IV), have been synthesized and studied using single-crystal and powder X-ray diffraction techniques, UV-vis (diffuse reflection), IR and Mössbauer spectroscopy, as well as static magnetic susceptibility measurements. According to the experimental μ eff ( T ) curves all the studied iron( ii ) compounds exhibit 1 A 1 ↔ 5 T 2 spin-crossover. Novel iron( ii ) bromide, nitrate and dicyanamide complexes with 2,6-bis(benzimidazol-2-yl)pyridine possessing high-temperature 1 A 1 ↔ 5 T 2 spin crossover were obtained.
Editor: Cambridge: Royal Society of Chemistry
Idioma: Inglês

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