A five-coordinate iron(III) porphyrin complex including a neutral axial pyridine N-oxide ligand

被引：0

作者：

Short, Melanie A. ^{[1
]}

Sommer, Roger D. ^{[2
]}

Falzone, Alec J. ^{[3
]}

Huang, Tao ^{[4
]}

Weare, Walter W. ^{[5
]}

Roizen, Jennifer L. ^{[1
]}

机构：

[1] Duke Univ, Dept Chem, Box 90346, Durham, NC 27708 USA

[2] North Carolina State Univ, Mol Educ Technol & Res Innovat Ctr, 2620 Yarbrough Dr, Raleigh, NC 27695 USA

[3] Daikin Amer Inc, 2749 Hwy 20,Suite A, Decatur, AL 35601 USA

[4] Univ N Carolina, Chapel Hill, NC 27599 USA

[5] Cree Inc, 4600 Silicon Dr, Durham, NC 27703 USA

来源：

ACTA CRYSTALLOGRAPHICA SECTION C-STRUCTURAL CHEMISTRY | 2019年 / 75卷

关键词：

spin-crossover behavior; five-coordinate iron(III); porphyrin; crystal structure; pyridine N-oxide; CRYSTAL-STRUCTURE; OXIDATION;

D O I：

10.1107/S2053229619005849

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

While six-coordinate iron(III) porphyrin complexes with pyridine N-oxides as axial ligands have been studied as they exhibit rare spin-crossover behavior, studies of five-coordinate iron(III) porphyrin complexes including neutral axial ligands are rare. A five-coordinate pyridine N-oxide-5,10,15,20-tetraphenylporphyrinate-iron(III) complex, namely (pyridine N-oxide-kappa O)(5,10,15,20-tetraphenylporphinato-kappa(4) N, N', N", N''') iron(III) hexafluoroantimonate(V) dichloromethane disolvate, [Fe(C44H28N4)(C5H5NO)][SbF6]center dot 2CH2Cl2, was isolated and its crystal structure determined in the space group P1. The porphyrin core is moderately saddled and the Fe-O-N bond angle is 122.08 (13). The average Fe-N bond length is 2.03 A degrees and the Fe-ONC5H5 bond length is 1.9500 (14) A degrees. This complex provides a rare example of a five-coordinate iron(III) porphyrin complex that is coordinated to a neutral organic ligand through an O-monodentate binding mode.

引用

页码：717 / +

页数：27

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