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Download Hi-Res ImageDownload to MS-PowerPointCite This:Inorg. Chem. 2016, 55, 16, 8147-8152
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Ambient-Temperature Spin-State Switching Achieved by Protonation of the Amino Group in [Fe(H2Bpz2)2(bipy-NH2)]

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† School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, People’s Republic of China
‡ Faculty of Pure and Applied Science, University of Tsukuba, Tennodai 1-1-1, Tsukuba 305-8571, Japan
*Tel.: +86-025-52090614. Fax: +86-025-52090614. E-mail: [email protected] (B.-W. Sun).
*E-mail: [email protected] (H. Oshio).
Cite this: Inorg. Chem. 2016, 55, 16, 8147–8152
Publication Date (Web):July 29, 2016
https://doi.org/10.1021/acs.inorgchem.6b01193
Copyright © 2016 American Chemical Society
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Abstract

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Magnetism of a complex [Fe(H2Bpz2)2(bipy-NH2)] (H2Bpz2 = dihydrobis(1-pyrazolyl)borate, bipy-NH2 = 4,4′-diamino-2,2′-bipyridine) has been altered from paramagnetic to spin-crossover (SCO) behavior, through protonation of one amino group of bipy-NH2 with CF3SO3H. Complete SCO transition, both in solid state and in solution, occurs at ambient temperature.

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The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.inorgchem.6b01193.

  • IR spectra, 1H NMR spectroscopy, and HOMO distribution of compounds 1·CH3OH and 1·CF3SO3H; PXRD patterns of complexes 1·CH3OH, 1·CF3SO3H, and the heated species of 1·CH3OH; TGA profile; CF3SO3H tuned (1:1 to 1:3) and VT (303–223 K) UV/vis absorption spectra of complex 1·CH3OH; 3D stacking motif of 1·CH3OH (PDF)

  • Crystal data of 1·CH3OH (CIF)

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