Upside Down! Crystallographic and Spectroscopic Characterization of an [FeIV(Osyn)(TMC)]2+ Complex

Jai Prakash; Gregory T. Rohde; Katlyn K. Meier; Eckard Münck; Lawrence Que

doi:10.1021/acs.inorgchem.5b02011

Upside Down! Crystallographic and Spectroscopic Characterization of an [Fe^IV(O_syn)(TMC)]²⁺ Complex

Jai Prakash
, Gregory T. Rohde
, Katlyn K. Meier
, Eckard Münck
, Lawrence Que

Chemistry (Twin Cities)

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

33 Scopus citations

Abstract

Fe^II(TMC)(OTf)₂ reacts with 2-^tBuSO₂-C₆H₄IO to afford an oxoiron(IV) product, 2, distinct from the previously reported [Fe^IV(O_anti)(TMC)(NCMe)]²⁺. In MeCN, 2 has a blue-shifted near-IR band, a higher ν(Feî - ?O), a larger Mössbauer quadrupole splitting, and quite a distinct ¹H NMR spectrum. Structural analysis of crystals grown from CH₂Cl₂ reveals a complex with the formulation of [Fe^IV(O_syn)(TMC)(OTf)](OTf) and the shortest Fe^IVî - ?O bond [1.625(4) Å] found to date.

Original language	English (US)
Pages (from-to)	11055-11057
Number of pages	3
Journal	Inorganic chemistry
Volume	54
Issue number	23
DOIs	https://doi.org/10.1021/acs.inorgchem.5b02011
State	Published - Nov 24 2015

Bibliographical note

Publisher Copyright:
© 2015 American Chemical Society.

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10.1021/acs.inorgchem.5b02011

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@article{c07a0185f63c416cbae07dbca29d514a,

title = "Upside Down! Crystallographic and Spectroscopic Characterization of an [FeIV(Osyn)(TMC)]2+ Complex",

abstract = "FeII(TMC)(OTf)2 reacts with 2-tBuSO2-C6H4IO to afford an oxoiron(IV) product, 2, distinct from the previously reported [FeIV(Oanti)(TMC)(NCMe)]2+. In MeCN, 2 has a blue-shifted near-IR band, a higher ν(Fe{\^i} - ?O), a larger M{\"o}ssbauer quadrupole splitting, and quite a distinct 1H NMR spectrum. Structural analysis of crystals grown from CH2Cl2 reveals a complex with the formulation of [FeIV(Osyn)(TMC)(OTf)](OTf) and the shortest FeIV{\^i} - ?O bond [1.625(4) {\AA}] found to date.",

author = "Jai Prakash and Rohde, \{Gregory T.\} and Meier, \{Katlyn K.\} and Eckard M{\"u}nck and Lawrence Que",

note = "Publisher Copyright: {\textcopyright} 2015 American Chemical Society.",

year = "2015",

month = nov,

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doi = "10.1021/acs.inorgchem.5b02011",

language = "English (US)",

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T1 - Upside Down! Crystallographic and Spectroscopic Characterization of an [FeIV(Osyn)(TMC)]2+ Complex

AU - Prakash, Jai

AU - Rohde, Gregory T.

AU - Meier, Katlyn K.

AU - Münck, Eckard

AU - Que, Lawrence

PY - 2015/11/24

Y1 - 2015/11/24

N2 - FeII(TMC)(OTf)2 reacts with 2-tBuSO2-C6H4IO to afford an oxoiron(IV) product, 2, distinct from the previously reported [FeIV(Oanti)(TMC)(NCMe)]2+. In MeCN, 2 has a blue-shifted near-IR band, a higher ν(Feî - ?O), a larger Mössbauer quadrupole splitting, and quite a distinct 1H NMR spectrum. Structural analysis of crystals grown from CH2Cl2 reveals a complex with the formulation of [FeIV(Osyn)(TMC)(OTf)](OTf) and the shortest FeIVî - ?O bond [1.625(4) Å] found to date.

AB - FeII(TMC)(OTf)2 reacts with 2-tBuSO2-C6H4IO to afford an oxoiron(IV) product, 2, distinct from the previously reported [FeIV(Oanti)(TMC)(NCMe)]2+. In MeCN, 2 has a blue-shifted near-IR band, a higher ν(Feî - ?O), a larger Mössbauer quadrupole splitting, and quite a distinct 1H NMR spectrum. Structural analysis of crystals grown from CH2Cl2 reveals a complex with the formulation of [FeIV(Osyn)(TMC)(OTf)](OTf) and the shortest FeIVî - ?O bond [1.625(4) Å] found to date.

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