Shining light on the ferrous analogue: excited state dynamics of an Fe(II) hexa-carbene scorpionate complex

Catherine E. Johnson; Mawuli Deegbey; Aleksandra Ilic; Nidhi Kaul; Om Prakash; Kenneth Wärnmark; Elena Jakubikova; Reiner Lomoth

doi:10.1039/D5DT00139K

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Shining light on the ferrous analogue: excited state dynamics of an Fe(ii) hexa-carbene scorpionate complex†

Catherine E. Johnson,

^a Mawuli Deegbey,^b Aleksandra Ilic,

^c Nidhi Kaul,^a Om Prakash,^c Kenneth Wärnmark,

*^c Elena Jakubikova

*^b and Reiner Lomoth

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry–Ångström Laboratory, Uppsala University, SE-75120 Uppsala, Sweden
E-mail: reiner.lomoth@kemi.uu.se

^b Department of Chemistry, North Carolina State University, Raleigh, North Carolina 27695, USA
E-mail: ejakubi@ncsu.edu

^c Center for Analysis and Synthesis (CAS), Department of Chemistry, Lund University, SE-22100 Lund, Sweden
E-mail: kenneth.warnmark@chem.lu.se

Abstract

A ferrous complex bearing tris(carbene)borate ligands with imidazol-2-ylidene donors has been characterized by experimental and computational methods. Despite the pronounced destabilization of metal centered states by the exceptionally σ-donating ligand, the high-energy ³MLCT state of [Fe(II)(phtmeimb)₂] is rapidly deactivated by the barrierless conversion to the ³MC state.

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Article information

DOI: https://doi.org/10.1039/D5DT00139K
Article type: Communication
Submitted: 17 Jan 2025
Accepted: 04 Feb 2025
First published: 12 Feb 2025
This article is Open Access

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Dalton Trans., 2025, Advance Article

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Shining light on the ferrous analogue: excited state dynamics of an Fe(II) hexa-carbene scorpionate complex

C. E. Johnson, M. Deegbey, A. Ilic, N. Kaul, O. Prakash, K. Wärnmark, E. Jakubikova and R. Lomoth, Dalton Trans., 2025, Advance Article , DOI: 10.1039/D5DT00139K

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Shining light on the ferrous analogue: excited state dynamics of an Fe(ii) hexa-carbene scorpionate complex†

Abstract

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Shining light on the ferrous analogue: excited state dynamics of an Fe(II) hexa-carbene scorpionate complex

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