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The [Fe{(SePPh<sub>2</sub>)<sub>2</sub>N}<sub>2</sub>] Complex Revisited : X‐ray Crystallography, Magnetometry, High‐Frequency EPR, and Mössbauer Studies Reveal Its Tetrahedral Fe<sup>II</sup>Se<sub>4</sub> Coordination Sphere

The [Fe{(SePPh2)2N}2] Complex Revisited : X‐ray Crystallography, Magnetometry, High‐Frequency EPR, and Mössbauer Studies Reveal Its Tetrahedral FeIISe4 Coordination Sphere

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FERENTINOS, Eleftherios, Spyros CHATZIEFTHIMIOU, Athanassios K. BOUDALIS, Michael PISSAS, Guinevere MATHIES, Peter GAST, Edgar J. J. GROENEN, Yiannis SANAKIS, Panayotis KYRITSIS, 2018. The [Fe{(SePPh2)2N}2] Complex Revisited : X‐ray Crystallography, Magnetometry, High‐Frequency EPR, and Mössbauer Studies Reveal Its Tetrahedral FeIISe4 Coordination Sphere. In: European Journal of Inorganic Chemistry. 2018(6), pp. 713-721. ISSN 1434-1948. eISSN 1099-0682. Available under: doi: 10.1002/ejic.201701459

@article{Ferentinos2018FeSeP-42277, title={The [Fe{(SePPh2)2N}2] Complex Revisited : X‐ray Crystallography, Magnetometry, High‐Frequency EPR, and Mössbauer Studies Reveal Its Tetrahedral FeIISe4 Coordination Sphere}, year={2018}, doi={10.1002/ejic.201701459}, number={6}, volume={2018}, issn={1434-1948}, journal={European Journal of Inorganic Chemistry}, pages={713--721}, author={Ferentinos, Eleftherios and Chatziefthimiou, Spyros and Boudalis, Athanassios K. and Pissas, Michael and Mathies, Guinevere and Gast, Peter and Groenen, Edgar J. J. and Sanakis, Yiannis and Kyritsis, Panayotis} }

Mathies, Guinevere The [Fe{(SePPh<sub>2</sub>)<sub>2</sub>N}<sub>2</sub>] Complex Revisited : X‐ray Crystallography, Magnetometry, High‐Frequency EPR, and Mössbauer Studies Reveal Its Tetrahedral Fe<sup>II</sup>Se<sub>4</sub> Coordination Sphere The synthesis and characterization of complex [Fe{(SePPh<sub>2</sub>)<sub>2</sub>N}<sub>2</sub>] (1) is described. X-ray crystallography shows that this system contains a tetrahedral FeSe<sub>4</sub> coordination sphere. The structural features of 1 are compared with those of similar first row transition element complexes, including a recently reported preparation of [Fe{(SePPh<sub>2</sub>)<sub>2</sub>N}<sub>2</sub>] (1<sub>SP</sub>) exhibiting a highly unusual square planar FeSe<sub>4</sub> coordination sphere. The electronic structure of 1 was elucidated by magnetometry, high-frequency EPR, and Mössbauer spectroscopic studies, which reveal zero-field splitting (ZFS) parameters typical of high spin S = 2 tetrahedral Fe<sup>II</sup> sites. Accurate ZFS parameters (D = +8.22 cm<sup>–1</sup>, E/D = 0.104) were obtained by analysis of the EPR spectra and compared with those of the analogous [Fe{(SePPh<sub>2</sub>)<sub>2</sub>N}<sub>2</sub>] complex. Sanakis, Yiannis Chatziefthimiou, Spyros 2018-05-09T08:52:10Z Boudalis, Athanassios K. Ferentinos, Eleftherios Kyritsis, Panayotis Kyritsis, Panayotis Gast, Peter 2018-05-09T08:52:10Z 2018 Pissas, Michael Chatziefthimiou, Spyros Mathies, Guinevere Groenen, Edgar J. J. eng Pissas, Michael Groenen, Edgar J. J. terms-of-use Sanakis, Yiannis Boudalis, Athanassios K. Ferentinos, Eleftherios Gast, Peter

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