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Phosphorus, Sulfur, and Silicon and the Related Elements Volume 193, 2018 - Issue 5
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Original Articles

Synthesis, crystal structures and magnetic properties of two iron (II) tris(pyridyl)phosphine selenides complexes

Xuecheng HuHubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, Institute for Advanced Materials, Hubei Normal University, Huangshi, P. R. China;Department of Chemistry, The School of Art and Science of Hubei Normal University, Huangshi, P. R. ChinaView further author information
,
Tingquan SunHubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, Institute for Advanced Materials, Hubei Normal University, Huangshi, P. R. ChinaView further author information
&
Chunyang ZhengHubei Collaborative Innovation Center for Rare Metal Chemistry, Hubei Key Laboratory of Pollutant Analysis and Reuse Technology, Institute for Advanced Materials, Hubei Normal University, Huangshi, P. R. China;Department of Chemistry, The School of Art and Science of Hubei Normal University, Huangshi, P. R. ChinaCorrespondence[email protected]
View further author information
Pages 300-305 | Received 19 Sep 2017, Accepted 12 Dec 2017, Published online: 15 Jan 2018
 
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ABSTRACT

We reported the synthesis of tris(pyridyl)phosphine selenide (TppSe) and tris(4-methylpyridin-2-yl)phosphine selenide (MeTppSe), which were prepared by a simple and straightforward one-pot method with red phosphorus in a KOH/DMSO suspension, and treatment of resulted phosphines with selenium in hot toluene. These compounds were characterized by mass spectroscopy, 1H, 13C and 31P NMR spectroscopies and the structure of MeTppSe was characterised by a single-crystal X-ray diffraction. Furthermore, The reactions of selenides with Fe(ClO4)2·6H2O afforded two new iron(II) mononuclear metal complexes [Fe(TppSe)2][ClO4]2·3DMF (1) and [Fe(MeTppSe)2][ClO4]2·2DMF (2). Detailed structural analyses and magnetic susceptibility measurements confirm no spin transition from low-spin to the high-spin state between 2 and 300 K in two iron(II) complexes.

GRAPHICAL ABSTRACT

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Funding

Educational Commission of Hubei Province of China (No. B2017141). The National Undergraduate Training Program for Innovation and Entrepreneurship (No. 201613256001). The open fund of Hubei Key Laboratory of Pollutant Analysis & Reuse Technology (No. PA160209). The key fund of The School of Art and Science of Hubei Normal University (No. Ky201701).

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