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Spin Crossover in Bipyridine Derivative Bridged One-Dimensional Iron(III) Coordination Polymer
| Content Provider | MDPI |
|---|---|
| Author | Ishikawa, Ryuta Noda, Takeshi Ueno, Shunya Okubo, Takashi Yamakawa, Hirofumi Sakamoto, Ken-Ichi Kawata, Satoshi |
| Copyright Year | 2020 |
| Description | Herein, the syntheses, solid-state molecular structures, and characterization of two types of one-dimensional FeIII coordination polymers showing thermally induced spin crossover are reported. The reaction of [Fe(acen)Cl] (acen2− = N,N’-ethylenebis(acetylacetonylideneaminate) with 3,3′-bpy or 4,4′-bpy (bpy = bipyridine) produced zigzag and linear one-dimensional chain complexes, [Fe(acen)(3,3′-bpy)][BPh4] (1) or [NEt3H][Fe(acen)(4,4′-bpy)][BPh4]2·0.5(4,4′-bpy) (2), respectively, as confirmed by single crystal X-ray diffraction analysis. Variable-temperature single crystal X-ray diffraction measurements, continuous-wave X-band electron paramagnetic resonance (EPR) spectra, 57Fe Mössßauer spectra, and DC magnetic susceptibility data revealed that complex 1 exhibited a gradual and complete spin crossover at a transition temperature of 212 K, while complex 2 undergoes an incomplete spin crossover even at 400 K. |
| Starting Page | 29 |
| e-ISSN | 23127481 |
| DOI | 10.3390/magnetochemistry6030029 |
| Journal | Magnetochemistry |
| Issue Number | 3 |
| Volume Number | 6 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2020-07-01 |
| Access Restriction | Open |
| Subject Keyword | Magnetochemistry Inorganic Chemistry Iron(iii) Schiff Base Ligand Bipyridine Ligand Crystal Structure Spin Crossover Epr Spectroscopy Mössßauer Spectroscopy |
| Content Type | Text |
| Resource Type | Article |
