Abstract
New mixed crystals, Fe(NCS) x (NCBH3)(2−x)(bpp)2, (bpp = 1,3–bis(4–pyridyl)propane) were synthesized. The formation of mixed crystals was confirmed by powder X-ray diffraction patterns and single crystal X-ray structural analysis. Elemental analyses showed that all Fe(NCS) x (NCBH3)(2−x)(bpp)2 samples had more Fe(NCS)2 unit than the preparation fraction. 57Fe Mössbauer spectroscopy revealed that all the spectra consist of only Fe(NCS)2 unit and Fe(NCBH3)2 unit. And the fraction of low-spin state in the Fe(NCBH3)2 unit changed with the change of x. The results suggested that the high spin site of Fe(NCS)2 unit affects the spin state of Fe(NCBH3)2 unit.
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Dote, H., Yasuhara, H. & Nakashima, S. Crystal structure and spin state of mixed-crystals of iron with NCS and NCBH3 for the assembled complexes bridged by 1,3-bis(4-pyridyl)propanes. J Radioanal Nucl Chem 303, 1589–1593 (2015). https://doi.org/10.1007/s10967-014-3676-y
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DOI: https://doi.org/10.1007/s10967-014-3676-y