A Neutrally Charged Trimethylmanganese(III) Complex: Synthesis, Characterization, and Disproportionation Chemistry

Madelyn M. Stalzer; Joshua Telser; Jurek Krzystek; Alessandro Motta; Massimiliano Delferro; Tobin J Marks

doi:10.1021/acs.organomet.6b00422

A Neutrally Charged Trimethylmanganese(III) Complex: Synthesis, Characterization, and Disproportionation Chemistry

Madelyn M. Stalzer, Joshua Telser, Jurek Krzystek, Alessandro Motta, Massimiliano Delferro, Tobin J Marks

Northwestern University

Research output: Contribution to journal › Article

3 Citations (Scopus)

Abstract

The synthesis and properties of an unusual, neutrally charged and volatile N,N,N′,N′-tetramethylethylenediamine trimethyl manganese(III) complex, (TMEDA)MnMe₃, are described, along with its facile disproportionation to the corresponding Mn(II) and Mn(IV) complexes. Characterization by single-crystal XRD, UV-vis spectroscopy, high-frequency and -field EPR (HFEPR), magnetic susceptibility, and density functional theory (DFT) computations indicate that the (TMEDA)MnMe₃ electronic structure can be described as largely square pyramidal Mn(III) centered. The paucity of manganese(III) polyalkyls and the simplicity and reactivity of this compound implicate it as a potentially useful synthetic building block.

Original language	English
Pages (from-to)	2683-2688
Number of pages	6
Journal	Organometallics
Volume	35
Issue number	16
DOIs	https://doi.org/10.1021/acs.organomet.6b00422
Publication status	Published - Aug 22 2016

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry

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Stalzer, M. M., Telser, J., Krzystek, J., Motta, A., Delferro, M., & Marks, T. J. (2016). A Neutrally Charged Trimethylmanganese(III) Complex: Synthesis, Characterization, and Disproportionation Chemistry. Organometallics, 35(16), 2683-2688. https://doi.org/10.1021/acs.organomet.6b00422

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title = "A Neutrally Charged Trimethylmanganese(III) Complex: Synthesis, Characterization, and Disproportionation Chemistry",

abstract = "The synthesis and properties of an unusual, neutrally charged and volatile N,N,N′,N′-tetramethylethylenediamine trimethyl manganese(III) complex, (TMEDA)MnMe3, are described, along with its facile disproportionation to the corresponding Mn(II) and Mn(IV) complexes. Characterization by single-crystal XRD, UV-vis spectroscopy, high-frequency and -field EPR (HFEPR), magnetic susceptibility, and density functional theory (DFT) computations indicate that the (TMEDA)MnMe3 electronic structure can be described as largely square pyramidal Mn(III) centered. The paucity of manganese(III) polyalkyls and the simplicity and reactivity of this compound implicate it as a potentially useful synthetic building block.",

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T1 - A Neutrally Charged Trimethylmanganese(III) Complex

T2 - Synthesis, Characterization, and Disproportionation Chemistry

AU - Stalzer, Madelyn M.

AU - Telser, Joshua

AU - Krzystek, Jurek

AU - Motta, Alessandro

AU - Delferro, Massimiliano

AU - Marks, Tobin J

PY - 2016/8/22

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N2 - The synthesis and properties of an unusual, neutrally charged and volatile N,N,N′,N′-tetramethylethylenediamine trimethyl manganese(III) complex, (TMEDA)MnMe3, are described, along with its facile disproportionation to the corresponding Mn(II) and Mn(IV) complexes. Characterization by single-crystal XRD, UV-vis spectroscopy, high-frequency and -field EPR (HFEPR), magnetic susceptibility, and density functional theory (DFT) computations indicate that the (TMEDA)MnMe3 electronic structure can be described as largely square pyramidal Mn(III) centered. The paucity of manganese(III) polyalkyls and the simplicity and reactivity of this compound implicate it as a potentially useful synthetic building block.

AB - The synthesis and properties of an unusual, neutrally charged and volatile N,N,N′,N′-tetramethylethylenediamine trimethyl manganese(III) complex, (TMEDA)MnMe3, are described, along with its facile disproportionation to the corresponding Mn(II) and Mn(IV) complexes. Characterization by single-crystal XRD, UV-vis spectroscopy, high-frequency and -field EPR (HFEPR), magnetic susceptibility, and density functional theory (DFT) computations indicate that the (TMEDA)MnMe3 electronic structure can be described as largely square pyramidal Mn(III) centered. The paucity of manganese(III) polyalkyls and the simplicity and reactivity of this compound implicate it as a potentially useful synthetic building block.

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