Natural and Artificial Mn4Ca Cluster for the Water Splitting Reaction

C Chen, Y Li, G Zhao, R Yao, C Zhang - ChemSusChem, 2017 - Wiley Online Library
The oxygen‐evolving center (OEC) in photosystem II (PSII) is a unique biological catalyst
that splits water into electrons, protons, and O2 by using solar energy. Recent …

Metal–Metal Redox Exchange to Produce Heterometallic Manganese–Cobalt Oxo Cubanes via a “Dangler” Intermediate

TA Wheeler, TD Tilley - Journal of the American Chemical Society, 2024 - ACS Publications
Pendent metals bound to heterocubanes are components of well-known active sites in
enzymes that mediate difficult chemical transformations. Investigations into the specific role …

Artificial Mn4Ca Clusters with Exchangeable Solvent Molecules Mimicking the Oxygen‐Evolving Center in Photosynthesis

C Chen, Y Chen, R Yao, Y Li… - Angewandte Chemie …, 2019 - Wiley Online Library
Abstract The natural Mn4Ca cluster in photosystem II serves as a blueprint to develop
artificial water‐splitting catalysts for the generation of solar fuel in artificial photosynthesis …

CaMn3IVO4 Cubane Models of the Oxygen‐Evolving Complex: Spin Ground States S<9/2 and the Effect of Oxo Protonation

HB Lee, AA Shiau, DA Marchiori, PH Oyala… - Angewandte …, 2021 - Wiley Online Library
We report the single crystal XRD and MicroED structure, magnetic susceptibility, and EPR
data of a series of CaMn3IVO4 and YMn3IVO4 complexes as structural and spectroscopic …

Biohybrid Systems for Improved Bioinspired, Energy‐Relevant Catalysis

G Fan, P Wasuwanich, AL Furst - ChemBioChem, 2021 - Wiley Online Library
Biomimetic catalysts, ranging from small‐molecule metal complexes to supramolecular
assembles, possess many exciting properties that could address salient challenges in …

Tetranuclear [MnIIIMn3IVO4] Complexes as Spectroscopic Models of the S2 State of the Oxygen Evolving Complex in Photosystem II

HB Lee, AA Shiau, PH Oyala… - Journal of the …, 2018 - ACS Publications
Despite extensive biochemical, spectroscopic, and computational studies, the mechanism of
biological water oxidation by the oxygen evolving complex (OEC) of Photosystem II remains …

Pacman Compounds: From Energy Transfer to Cooperative Catalysis

P Lang, M Schwalbe - Chemistry–A European Journal, 2017 - Wiley Online Library
In this Concept article we present the syntheses and application of homo and
heterodinuclear “Pacman” compounds. This architecture implies that two metal coordination …

S = 3 Ground State for a Tetranuclear MnIV4O4 Complex Mimicking the S3 State of the Oxygen-Evolving Complex

HB Lee, DA Marchiori, R Chatterjee… - Journal of the …, 2020 - ACS Publications
The S3 state is currently the last observable intermediate prior to O–O bond formation at the
oxygen-evolving complex (OEC) of Photosystem II, and its electronic structure has been …

Revealing redox isomerism in trichromium imides by anomalous diffraction

AK Bartholomew, RA Musgrave, KJ Anderton… - Chemical …, 2021 - pubs.rsc.org
In polynuclear biological active sites, multiple electrons are needed for turnover, and the
distribution of these electrons among the metal sites is affected by the structure of the active …

Synthesizing Mechanism of the Mn4Ca Cluster Mimicking the Oxygen‐Evolving Center in Photosynthesis

C Chen, B Xu, R Yao, Y Chen, C Zhang - ChemSusChem, 2022 - Wiley Online Library
The photosynthetic oxygen‐evolving center (OEC) is a unique Mn4CaO5 cluster that serves
as a blueprint to develop superior water‐splitting catalysts for the generation of solar fuels in …