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Results: 20209

C-F Bond Activation of P(C6F5)3 By Ruthenium Dihydride Complexes

Mateusz Cybulski, Caroline Davies, John Lowe, Mary Mahon, Michael Whittlesey

Nov 05, 2018

The major product of the reaction between Ru(IMe₄)₂(PPh₃)₂H₂ (1; IMe₄ = 1,3,4,5-tetramethylimidazol-2-ylidene) and P(C₆F₅)₃ (PCF)...

/dk/atira/pure/subjectarea/asjc/1600/1606 name=Physical and Theoretical Chemistry /dk/atira/pure/subjectarea/asjc/1600/1604 name=Inorganic Chemistry

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Transforming PPh3 into Bidentate Phosphine Ligands at Ru-Zn Heterobimetallic Complexes

Niall O'Leary, Fedor Miloserdov, Mary Mahon, Michael Whittlesey

Sep 24, 2019

The reaction of [Ru(PPh ₃) ₃Cl ₂] with excess ZnMe ₂ led to P-C/C-H bond activation and P-C/C-C bond formation to generate a chelating diphenylphosphinobenzene ligand as well as a...

/dk/atira/pure/subjectarea/asjc/1600/1604 name=Inorganic Chemistry

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C-F Bond Activation of P(C6F5)3 By Ruthenium Dihydride Complexes

Mateusz Cybulski, Caroline Davies, John Lowe, Mary Mahon, Michael Whittlesey

Nov 05, 2018

The major product of the reaction between Ru(IMe₄)₂(PPh₃)₂H₂ (1; IMe₄ = 1,3,4,5-tetramethylimidazol-2-ylidene) and P(C₆F₅)₃ (PCF)...

/dk/atira/pure/subjectarea/asjc/1600/1606 name=Physical and Theoretical Chemistry /dk/atira/pure/subjectarea/asjc/1600/1604 name=Inorganic Chemistry

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Transforming PPh3 into Bidentate Phosphine Ligands at Ru-Zn Heterobimetallic Complexes

Niall O'Leary, Fedor Miloserdov, Mary Mahon, Michael Whittlesey

Sep 24, 2019

The reaction of [Ru(PPh ₃) ₃Cl ₂] with excess ZnMe ₂ led to P-C/C-H bond activation and P-C/C-C bond formation to generate a chelating diphenylphosphinobenzene ligand as well as a...

/dk/atira/pure/subjectarea/asjc/1600/1604 name=Inorganic Chemistry

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XAS and EPR in Situ Observation of Ru(V) Oxo Intermediate in a Ru Water Oxidation Complex.

Natalia Levin, Carla Casadevall, George E Cutsail, Julio Lloret-Fillol, Serena DeBeer, Olaf Rüdiger

Sep 02, 2022

In this study, we combine in situ spectroelectrochemistry coupled with electron paramagnetic resonance (EPR) and X-ray absorption spectroscopies (XAS) to investigate a molecular Ru-based water oxidation catalyst bearing a...

catalyst spectroelectrochemistry Ruthenium water oxidation In Situ Electrochemistry

Published by: ChemElectroChem

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Muon-spin rotation measurements of the vortex state in Sr2 Ru O4

S. J. Ray, A. S. Gibbs, S. J. Bending, P. J. Curran, E. Babaev, C. Baines, A. P. Mackenzie, S. L. Lee

Mar 06, 2014

Muon-spin rotation has been used to probe the vortex state in Sr2 Ru O4. At moderate fields and temperatures a lattice of triangular symmetry is observed, crossing over to a lattice of square symmetry with increasing field and...

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Cover Image for Room Temperature Regioselective Catalytic Hydrodefluorination of Fluoroarenes with <i>trans</i>-[Ru(NHC)<sub>4</sub>H<sub>2</sub>] Via a Converted Nucleophlic Ru-H Attack Pathway

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Room Temperature Regioselective Catalytic Hydrodefluorination of Fluoroarenes with trans-[Ru(NHC)4H2] Via a Converted Nucleophlic Ru-H Attack Pathway

Mateusz Cybulski, David McKay, Stuart MacGregor, Mary Mahon, Michael Whittlesey

Jan 20, 2017

The efficient and highly selective room temperature hydrodefluorination (HDF) of fluoroarenes by the trans-[Ru(IMe4)4H2] catalyst, 3, is reported. Mechanistic studies show 3 acts directly in catalysis without any ligand...

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Cover Image for Computation Provides Chemical Insight into the Diverse Hydride NMR Chemical Shifts of [Ru(NHC)<sub>4</sub>(L)H]<sup>0/+</sup> Species (NHC = N-heterocyclic carbene; L = vacant, H<sub>2</sub>, N<sub>2</sub>, CO, MeCN, O<sub>2</sub>, P<sub>4</sub>, SO<sub>2</sub>, H<sup>-</sup>, F<sup>-</sup> and Cl<sup>-</sup>) and their [Ru(R<sub>2</sub>PCH<sub>2</sub>CH<sub>2</sub>PR<sub>2</sub>)<sub>2</sub>(L)H]<sup>+</sup> Congeners

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Computation Provides Chemical Insight into the Diverse Hydride NMR Chemical Shifts of [Ru(NHC)4(L)H]0/+ Species (NHC = N-heterocyclic carbene; L = vacant, H2, N2, CO, MeCN, O2, P4, SO2, H-, F- and Cl-) and their [Ru(R2PCH2CH2PR2)2(L)H]+ Congeners

L J L Haller, Elena Mas-Marza, Mateusz K Cybulski, Rajashekharayya A Sanguramath, Stuart A Macgregor, Mary F Mahon, Christophe Raynaud, Christopher A Russell, Michael K Whittlesey

Mar 07, 2017

Relativistic density functional theory calculations, both with and without the effects of spin–orbit coupling, have been employed to model hydride NMR chemical shifts for a series of [Ru(NHC)4(L)H]0/+ species (NHC =...

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Muon-spin rotation measurements of the vortex state in Sr2 Ru O4

S. J. Ray, A. S. Gibbs, S. J. Bending, P. J. Curran, E. Babaev, C. Baines, A. P. Mackenzie, S. L. Lee

Mar 06, 2014

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Room Temperature Regioselective Catalytic Hydrodefluorination of Fluoroarenes with trans-[Ru(NHC)4H2] Via a Converted Nucleophlic Ru-H Attack Pathway

Mateusz Cybulski, David McKay, Stuart MacGregor, Mary Mahon, Michael Whittlesey

Jan 20, 2017

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L J L Haller, Elena Mas-Marza, Mateusz K Cybulski, Rajashekharayya A Sanguramath, Stuart A Macgregor, Mary F Mahon, Christophe Raynaud, Christopher A Russell, Michael K Whittlesey

Mar 07, 2017

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Not in my backyard, but not far away from me

Y Guo, P Ru, J Su, LD Anadon

Sep 20, 2018

Local acceptance of wind energy technology has become an important factor to consider when designing local and national wind energy technological innovation policies. Previous studies have investigated the factors that shape the...

China Local acceptance NIMBYism Wind power

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Well-Defined Heterobimetallic Reactivity at Unsupported Ruthenium-Indium Bonds

Ian Riddlestone, Nasir Rajabi, Stuart MacGregor, Mary Mahon, Michael Whittlesey

Feb 01, 2018

The hydride complex [Ru(IPr) ₂(CO)H][BAr ^F ₄], 1, reacts with InMe ₃ with loss of CH ₄ to form [Ru(IPr) ₂(CO)(InMe)(Me)][BAr ^F ₄], 4...

density functional calculations Gallium heterometallic complexes Indium Ruthenium /dk/atira/pure/subjectarea/asjc/1500/1503 name=Catalysis /dk/atira/pure/subjectarea/asjc/1600/1605 name=Organic Chemistry

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Cover Image for Evidence of Next-Nearest-Neighbor Electronic Coupling in a Series of Cyano-Bridged trans-Fe(II)-Pt(IV)-M(II) (M=Fe, Ru) Asymmetric Trimers

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Evidence of Next-Nearest-Neighbor Electronic Coupling in a Series of Cyano-Bridged trans-Fe(II)-Pt(IV)-M(II) (M=Fe, Ru) Asymmetric Trimers

Michael C Esposito

Jan 01, 0001

This work describes the synthesis and characterization of a series of cyano-bridged dimers and trimers of the M-Pt (M = Fe, Ru) and M-Pt-M' (M/M' = Fe, Ru) type and their electronic properties in the UV-Visible spectrum. These...

Marcus-Hush Theory Remote Electronic Coupling charge transfer Chemistry Physical Sciences and Mathematics

Published by: Ursinus College

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Visible light promoted photocatalytic water oxidation:proton and electron collection

Dominic Walsh, Noelia M. Sanchez-Ballester, Valeska P. Ting, Katsuhiko Ariga, Mark T. Weller

Jun 07, 2016

Visible light promoted photocatalytic water oxidations were conducted using a homogenous cobalt complex as a catalyst that was absorbed onto a silica gel substrate. The porous SiO₂ contained Ru(bpy)₃...

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Cover Image for Stoichiometric and catalytic C-F bond activation by the<i> trans</i>-dihydride complex [Ru(IEt<sub>2</sub>Me<sub>2</sub>)<sub>2</sub>(PPh<sub>3</sub>)<sub>2</sub>H<sub>2</sub>] (IEt<sub>2</sub>Me<sub>2</sub> = 1,3-diethyl-4,5-dimethylimidazol-2-ylidene)

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Stoichiometric and catalytic C-F bond activation by the trans-dihydride complex [Ru(IEt2Me2)2(PPh3)2H2] (IEt2Me2 = 1,3-diethyl-4,5-dimethylimidazol-2-ylidene)

Mateusz K. Cybulski, Ian M. Riddlestone, Mary F. Mahon, Timothy J. Woodman, Michael K. Whittlesey

Jan 01, 0001

The room temperature reaction of C6F6 or C6F5H with [Ru(IEt2Me2)2(PPh3)2H¬2] (1; IEt2Me2 = 1,3-diethyl-4,5-dimethylimidazol-2-ylidene) generated a mixture of the trans-hydride fluoride complex [Ru(IEt2Me2)2(PPh3)2HF] (2) and the...

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Visible light promoted photocatalytic water oxidation:proton and electron collection

Dominic Walsh, Noelia M. Sanchez-Ballester, Valeska P. Ting, Katsuhiko Ariga, Mark T. Weller

Jun 07, 2016

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Did Negative Interest Rates Improve Bank Lending?

Philip Molyneux, Alessio Reghezza, John Thornton, Ru Xie

Feb 28, 2020

Since 2012 several central banks have introduced a negative interest rate policy (NIRP) aimed at boosting real spending by facilitating an increase in the supply and demand for bank loans. We employ a bank-level dataset...

Bank lending Difference in differences estimation Monetary policy transmission Negative interest rates propensity score matching /dk/atira/pure/subjectarea/asjc/1400/1402 name=Accounting /dk/atira/pure/subjectarea/asjc/2000/2003 name=Finance /dk/atira/pure/subjectarea/asjc/2000/2002 name=Economics and Econometrics

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Well-Defined Heterobimetallic Reactivity at Unsupported Ruthenium-Indium Bonds

Ian Riddlestone, Nasir Rajabi, Stuart MacGregor, Mary Mahon, Michael Whittlesey

Feb 01, 2018

The hydride complex [Ru(IPr) ₂(CO)H][BAr ^F ₄], 1, reacts with InMe ₃ with loss of CH ₄ to form [Ru(IPr) ₂(CO)(InMe)(Me)][BAr ^F ₄], 4...

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Interview with Gwen P. Howell

Gwen P. Howell

Jan 01, 0001

Interview with Gwen P. Howell, member of the South Carolina Mothers Association.

Oral History United States History Women's History

Published by: Winthrop University

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Mateusz K. Cybulski, Ian M. Riddlestone, Mary F. Mahon, Timothy J. Woodman, Michael K. Whittlesey

Jan 01, 0001

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Bank Margins and Profits in a World of Negative Rates

Phil Molyneux, Alessio Reghezza, Ru Xie

Oct 01, 2019

By investigating the influence of negative interest rate policy (NIRP) on bank margins and profitability, this paper identifies country- and bank- specific characteristics that amplify or weaken the effect of NIRP on bank...

Bank profitability Difference-in-differences estimation NIMs Negative interest rates propensity score matching /dk/atira/pure/subjectarea/asjc/2000/2003 name=Finance /dk/atira/pure/subjectarea/asjc/2000/2002 name=Economics and Econometrics

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Single-Atomic Ruthenium Catalytic Sites on Nitrogen-Doped Graphene for Oxygen Reduction Reaction in Acidic Medium.

Chenhao Zhang, Junwei Sha, Huilong Fei, Mingjie Liu, Sadegh Yazdi, Jibo Zhang, Qifeng Zhong, Xiaolong Zou, Naiqin Zhao, Haisheng Yu, Zheng Jiang, Emilie Ringe, Boris I Yakobson, Juncai Dong, Dongliang Chen, James M Tour

Nov 16, 2018

The cathodic oxygen reduction reaction (ORR) is essential in the electrochemical energy conversion of fuel cells. Here, through the NH3 atmosphere annealing of a graphene oxide (GO) precursor containing trace amounts of Ru, we...

atomically dispersed ruthenium electrocatalysts nitrogen-doped graphene oxide oxygen reduction reaction

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Did Negative Interest Rates Improve Bank Lending?

Philip Molyneux, Alessio Reghezza, John Thornton, Ru Xie

Feb 28, 2020