2021
Toward understanding the S2-S3 transition in the Kok cycle of Photosystem II: Lessons from Sr-substituted structure
Amin M, Kaur D, Gunner M, Brudvig G. Toward understanding the S2-S3 transition in the Kok cycle of Photosystem II: Lessons from Sr-substituted structure. Inorganic Chemistry Communications 2021, 133: 108890. DOI: 10.1016/j.inoche.2021.108890.Peer-Reviewed Original ResearchDensity functional theoryS3 transitionPhotosystem IIWater oxidation mechanismS2-S3 transitionKok cycleOxidation mechanismContinuum electrostaticsHydrogen fuelFunctional theoryS2 stateSolar energyArtificial systemsCatalystDeprotonationWaterMn4CalculationsElectrostaticsSr2OxygenEnergeticsTransitionFuelStructure
2018
Water-Nucleophilic Attack Mechanism for the CuII(pyalk)2 Water-Oxidation Catalyst
Rudshteyn B, Fisher K, Lant H, Yang K, Mercado B, Brudvig G, Crabtree R, Batista V. Water-Nucleophilic Attack Mechanism for the CuII(pyalk)2 Water-Oxidation Catalyst. ACS Catalysis 2018, 8: 7952-7960. DOI: 10.1021/acscatal.8b02466.Peer-Reviewed Original ResearchKinetic isotope effectsWater nucleophilic attack mechanismWater oxidation catalystsWater nucleophilic attackD Kinetic Isotope EffectO bond formationUV-visible spectraDensity functional theoryElectrochemical stepWater oxidationElectrochemical analysisTurnover frequencyDerivative complexesBond formationRadical speciesRational designCis formFunctional theoryIsotope effectRate-limiting stepCatalystComplexesAttack mechanismMechanistic findingsDeprotonation
2017
Synthesis of pyridine-alkoxide ligands for formation of polynuclear complexes
Shopov D, Sharninghausen L, Sinha S, Borowski J, Mercado B, Brudvig G, Crabtree R. Synthesis of pyridine-alkoxide ligands for formation of polynuclear complexes. New Journal Of Chemistry 2017, 41: 6709-6719. DOI: 10.1039/c7nj01845b.Peer-Reviewed Original ResearchO-donor ligandsPolynuclear complexesFirst-row transition metalsPyridine-alkoxide ligandsInexpensive starting materialsOne-step synthesisX-ray crystallographyPolynuclear clustersTransition metalsStarting materialScalable procedureGeneral formulaLigandsEffective bindingLarge-scale productionLigand 2Chelation powerComplexesSynthesisDenticityCluster formationDeprotonationFormationCrystallographyChromatography
2008
Functional Manganese Model Chemistry Relevant to the Oxygen-Evolving Complex of Photosystem II: Oxidation of a Mn(III,IV) Complex Coupled to Deprotonation of a Terminal Water Ligand
Cady C, Crabtree R, Brudvig G. Functional Manganese Model Chemistry Relevant to the Oxygen-Evolving Complex of Photosystem II: Oxidation of a Mn(III,IV) Complex Coupled to Deprotonation of a Terminal Water Ligand. 2008, 377-381. DOI: 10.1007/978-1-4020-6709-9_85.Peer-Reviewed Original ResearchTerminal water ligandsWater ligandsDinuclear manganese complexPH-dependent oxidationOxygen-Evolving ComplexRedox stepsManganese complexesRedox levelingElectron transferModel chemistryTerminal waterLigandsOxidationDeprotonationComplex occursComplexesPhotosystem IIChemistryProtonsMVPHWaterNarrow rangeTransfer