English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Iron(III) complexes have attracted much interest since a mononuclear iron(III) single molecule magnet was reported.1 For the purpose of finding new iron(III) complexes, in this study, the structure of a new mononuclear iron(III) complex, [FeCl2(phen)2][PF6]·MeCN [dichloridobis(1,10-phenanthrolineκ2N,N′)iron(III) hexafluoridophosphate–acetonitrile], was determined. The [FeCl2(phen)2] cation was found to be very few,2–4 although [Fe(phen)3] complex cations were often observed.5–8 Single crystals of [FeCl2(phen)2][PF6]·MeCN were prepared as follows: to a methanolic solution (2.0 mL) of iron(III) chloride hexahydrate (0.27 g, 1.0 mmol) was added a mixture composed of a methanolic solution (2.0 mL) of sodium hexafluoridophosphate (0.17 g, 1.0 mmol) and a methanolic solution (5.0 mL) of 1,10-phenanthroline (0.41 g, 2.0 mmol). After stirring for 30 min at room temperature, an orange precipitate was collected (yield, 0.40 g). The obtained crude product was recrystallized from acetonitrile to obtain orange single crystals suitable for an X-ray diffraction study. Crystal data are included in Table 1. The structure was solved by intrinsic phasing methods and expanded using Fourier techniques. The non-hydrogen atoms were refined anisotropically, and hydrogen atoms were refined using the riding model. The final cycle of a full-matrix least-squares refinement on F2 was allowed to satisfactory converge with R1 = 0.0345 [I > 2σ(I)]. The crystal structure consists of [FeCl2(phen)2] complex cations, hexafluoridophosphate anions, and acetonitrile molecules in a 1:1:1 molar ratio (Figs. 1 and 2). The complex cation belongs to the C2 point group, possessing a two-fold axis through the central iron(III) ion. Two chlorido and two bidentate 1,10-phenenthroline ligands coordinate to the central iron(III) ion to form an octahedral coordination geometry with a Cl2N4 donor set. The two chlorido ligands are at the cis-positions, as well as known compounds.2–4 Both the Fe–Cl distance [2.2690(5)Å] and the Fe–N distances [2.1502(15) – 2.1626(15)Å] (Table 2) are close to the corresponding distances in recently observed [FeCl2(phen)2] compounds [Fe–Cl: 2.265 – 2.270 Å; Fe–N: 2.132 – 2.270 Å];3,4 however, the Fe–N distances are longer than those in [Fe(phen)3] complex cations (1.959 – 1.988 Å).5–8 The acetonitrile molecules are free from 2018 © The Japan Society for Analytical Chemistry

x-ray structure analysis online

Crystal Structure of a Mononuclear Iron(III) Complex, Dichloridobis(1,10-phenanthroline-κ&lt;sup&gt;2&lt;/sup&gt;&lt;i&gt;N,N&lt;/i&gt;′)iron(III) Hexafluoridophosphate–acetonitrile