Iron(II) spin transition coordination polymers with a zigzag structure

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Bauer, Wolfgang ; Dîrtu, Marinela M. ; Garcia, Yann ; Weber, Birgit:
Iron(II) spin transition coordination polymers with a zigzag structure.
In: CrystEngComm. Bd. 14 (2012) Heft 4 . - S. 1223-1231.
ISSN 1466-8033
DOI: https://doi.org/10.1039/C2CE06253D

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Abstract

The synthesis and characterisation of seven iron(II) 1D chain coordination polymers with tetradentate Schiff-base like equatorial ligands and bis(4-pyridylmethyl)sulfide (bpms) as a flexible bridging axial ligand is reported. This new family of materials displays a wide spectrum of spin transition properties in the solid state ranging from gradual, abrupt, incomplete to even step-wise that have all been characterized by SQUID magnetometry. The X-ray structure analysis of two complexes at several temperatures is discussed in the frame of their spin crossover properties.