Synthesis and Characterization of a Linear Triiron(II) Extended Metal Atom Chain Complex with Fe-Fe Bonds. Guillet, G. L., Arpin, K. Y., Boltin, A. M., Rave, J. A., Gordon, J. B., & Hillesheim, P. C. Inorganic chemistry, 59:11238–11243, 2020.
Paper abstract bibtex Extended metal atom chain (EMAC) complexes of first-row transition metals with metal-metal bonds have the potential to elicit unique magnetic properties and reactivities. Until now, the library of EMAC complexes with late-first-row transition metals was incomplete because of the omission of a triiron species with Fe-Fe bonding. Herein we report the synthesis and preliminary investigation of the first linear, triiron(II) complex containing close Fe-Fe interactions. The complex is supported by three dianionic 2,6-bis[(trimethylsilyl)amido]pyridine ligands (L), with an overall composition of Fe3L3, and pseudohelical ligand coordination stabilizing the local trigonal-planar geometry at each iron. Fe3L3 was characterized by X-ray diffraction, (1)H NMR, cyclic voltammetry, electronic absorption, and Mossbauer spectroscopies. Evans method analysis indicated a large uncompensated spin and an S = 6 ground state, suggesting ferromagnetic coupling in the triiron chain, likely due to direct exchange.[on SciFinder (R)]
@article{guillet_synthesis_2020,
title = {Synthesis and {Characterization} of a {Linear} {Triiron}({II}) {Extended} {Metal} {Atom} {Chain} {Complex} with {Fe}-{Fe} {Bonds}},
volume = {59},
copyright = {All rights reserved},
issn = {1520-510X},
abstract = {Extended metal atom chain (EMAC) complexes of first-row transition metals with metal-metal bonds have the potential to elicit unique magnetic properties and reactivities. Until now, the library of EMAC complexes with late-first-row transition metals was incomplete because of the omission of a triiron species with Fe-Fe bonding. Herein we report the synthesis and preliminary investigation of the first linear, triiron(II) complex containing close Fe-Fe interactions. The complex is supported by three dianionic 2,6-bis[(trimethylsilyl)amido]pyridine ligands (L), with an overall composition of Fe3L3, and pseudohelical ligand coordination stabilizing the local trigonal-planar geometry at each iron. Fe3L3 was characterized by X-ray diffraction, (1)H NMR, cyclic voltammetry, electronic absorption, and Mossbauer spectroscopies. Evans method analysis indicated a large uncompensated spin and an S = 6 ground state, suggesting ferromagnetic coupling in the triiron chain, likely due to direct exchange.[on SciFinder (R)]},
journal = {Inorganic chemistry},
author = {Guillet, Gary L. and Arpin, Kathleen Y. and Boltin, Alan M. and Rave, Justin A. and Gordon, Jesse B. and Hillesheim, Patrick C.},
year = {2020},
pages = {11238--11243},
url_paper={https://api.zotero.org/users/5598735/publications/items/BPJTAAFA/file/view}
}
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