Capturing Atom-Specific Electronic Structural Dynamics of Transition-Metal Complexes with Ultrafast Soft X-Ray Spectroscopy

RM Jay, K Kunnus, P Wernet… - Annual Review of …, 2022 - annualreviews.org
The atomic specificity of X-ray spectroscopies provides a distinct perspective on molecular
electronic structure. For 3 d metal coordination and organometallic complexes, the …

Vibrational wavepacket dynamics in Fe carbene photosensitizer determined with femtosecond X-ray emission and scattering

K Kunnus, M Vacher, TCB Harlang, KS Kjær… - Nature …, 2020 - nature.com
The non-equilibrium dynamics of electrons and nuclei govern the function of photoactive
materials. Disentangling these dynamics remains a critical goal for understanding …

Reduction of electron repulsion in highly covalent Fe-amido complexes counteracts the impact of a weak ligand field on excited-state ordering

CB Larsen, JD Braun, IB Lozada… - Journal of the …, 2021 - ACS Publications
The ability to access panchromatic absorption and long-lived charge-transfer (CT) excited
states is critical to the pursuit of abundant-metal molecular photosensitizers. Fe (II) …

Metal–Ligand Covalency in the Valence Excited States of Metal Dithiolenes Revealed by S 1s3p Resonant Inelastic X-ray Scattering

CB Larsen, K Ledbetter, DR Nascimento… - Journal of the …, 2024 - ACS Publications
Metallo dithiolene complexes with biological and catalytic relevance are well-known for
having strong metal–ligand covalency, which dictates their valence electronic structures. We …

Excited-State Charge Distribution of a Donor− π–Acceptor Zn Porphyrin Probed by N K-Edge Transient Absorption Spectroscopy

AA Cordones, CD Pemmaraju, JH Lee… - The Journal of …, 2021 - ACS Publications
Zinc porphyrin solar cell dyes with donor− π–acceptor architectures combine light absorber
(π), electron-donor, and electron-acceptor moieties inside a single molecule with atomic …

Time-Dependent Resonant Inelastic X-ray Scattering of Pyrazine at the Nitrogen K-Edge: A Quantum Dynamics Approach

A Freibert, D Mendive-Tapia, N Huse… - Journal of Chemical …, 2024 - ACS Publications
We calculate resonant inelastic X-ray scattering spectra of pyrazine at the nitrogen K-edge in
the time domain including wavepacket dynamics in both the valence and core-excited state …

TD-DFT simulations of K-edge resonant inelastic X-ray scattering within the restricted subspace approximation

VV da Cruz, S Eckert, A Föhlisch - Physical Chemistry Chemical …, 2021 - pubs.rsc.org
A scheme for simulations of resonant inelastic X-ray scattering (RIXS) cross-sections within
time-dependent density functional theory (TD-DFT) applying the restricted subspace …

Revealing the bonding of solvated Ru complexes with valence-to-core resonant inelastic X-ray scattering

E Biasin, DR Nascimento, BI Poulter, B Abraham… - Chemical …, 2021 - pubs.rsc.org
Ru-complexes are widely studied because of their use in biological applications and
photoconversion technologies. We reveal novel insights into the chemical bonding of a …

Accessing metal-specific orbital interactions in C–H activation with resonant inelastic X-ray scattering

A Banerjee, RM Jay, T Leitner, RP Wang, J Harich… - Chemical …, 2024 - pubs.rsc.org
Photochemically prepared transition-metal complexes are known to be effective at cleaving
the strong C–H bonds of organic molecules in room temperature solutions. There is also …

Chemical control of competing electron transfer pathways in iron tetracyano-polypyridyl photosensitizers

K Kunnus, L Li, CJ Titus, SJ Lee, ME Reinhard… - Chemical …, 2020 - pubs.rsc.org
Photoinduced intramolecular electron transfer dynamics following metal-to-ligand charge-
transfer (MLCT) excitation of [Fe (CN) 4 (2, 2′-bipyridine)] 2−(1),[Fe (CN) 4 (2, 3-bis (2 …