High-spin wheel of a heptanuclear mixed-valent FeII,III complex

Hiroki Oshio; Norihisa Hoshino; Tasuku Ito; Motohiro Nakano; Franz Renz; Philipp Gütlich

doi:10.1002/anie.200390084

High-spin wheel of a heptanuclear mixed-valent Fe^II,III complex

Hiroki Oshio, Norihisa Hoshino, Tasuku Ito, Motohiro Nakano, Franz Renz, Philipp Gütlich

Polymer Hybrid Materials Research Center

Research output: Contribution to journal › Article › peer-review

98 Citations (Scopus)

Abstract

Wheels with high spins: The reaction of a tridentate Schiff base ligand with iron (II) chloride, and subsequent oxidation with [(tBu₄N) MnO₄] yielded a heptanuclear mixed-valent iron wheel (see picture) with a spin ground state of S = 29/2. Cornering the 13th vertex: The first 13-vertex carborane (see picture, B: brown, C: gray, H: white) has been prepared by a methodology that can in principle be applied repeatedly, leading to 14-, 15-, 16-, ... vertex carboranes in the future. The 13-vertex species has a henicosahedral geometry, not the docosahedral one expected, but the two forms are found to be very close in energy by DFT calculations.

Original language	English
Pages (from-to)	223-225
Number of pages	3
Journal	Angewandte Chemie - International Edition
Volume	42
Issue number	2
DOIs	https://doi.org/10.1002/anie.200390084
Publication status	Published - 2003 Jan 13

Keywords

Cluster compounds
High-spin molecules
Iron
Magnetic properties
Mixed-valent compounds

ASJC Scopus subject areas

Catalysis
Chemistry(all)

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10.1002/anie.200390084

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abstract = "Wheels with high spins: The reaction of a tridentate Schiff base ligand with iron (II) chloride, and subsequent oxidation with [(tBu4N) MnO4] yielded a heptanuclear mixed-valent iron wheel (see picture) with a spin ground state of S = 29/2. Cornering the 13th vertex: The first 13-vertex carborane (see picture, B: brown, C: gray, H: white) has been prepared by a methodology that can in principle be applied repeatedly, leading to 14-, 15-, 16-, ... vertex carboranes in the future. The 13-vertex species has a henicosahedral geometry, not the docosahedral one expected, but the two forms are found to be very close in energy by DFT calculations.",

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AU - Oshio, Hiroki

AU - Hoshino, Norihisa

AU - Ito, Tasuku

AU - Nakano, Motohiro

AU - Renz, Franz

AU - Gütlich, Philipp

PY - 2003/1/13

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