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Title: Heterolytic cleavage of H 2 by bifunctional manganese( i ) complexes: impact of ligand dynamics, electrophilicity, and base positioning

Journal Article · · Chemical Science
DOI:https://doi.org/10.1039/C4SC01801J· OSTI ID:1386166
 [1];  [1];  [1]
  1. Center for Molecular Electrocatalysis; Physical Sciences Division; Pacific Northwest National Laboratory; Richland, USA

A balance of metal electrophilicity and ligand steric influences is required for facile, reversible H–H heterolytic cleavage in Mn complexes with pendant amines.

Research Organization:
Energy Frontier Research Centers (EFRC) (United States). Center for Molecular Electrocatalysis (CME)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
DOE Contract Number:
AC05-76RL01830
OSTI ID:
1386166
Journal Information:
Chemical Science, Vol. 5, Issue 12; Related Information: CME partners with Pacific Northwest National Laboratory (lead); University of Illinois, Urbana-Champaign; Pennsylvania State University; University of Washington; University of Wyoming; ISSN 2041-6520
Publisher:
Royal Society of Chemistry
Country of Publication:
United States
Language:
English

References (65)

Comparison of Cobalt and Nickel Complexes with Sterically Demanding Cyclic Diphosphine Ligands: Electrocatalytic H 2 Production by [Co(P t Bu 2 N Ph 2 )(CH 3 CN) 3 ](BF 4 ) 2 journal November 2010
Synthesis and Structure of CpMo(CO)(dppe)H and Its Oxidation by Ph 3 C + journal June 2006
Electrons from hydrogen journal January 2009
Ligand versus Metal Protonation of an Iron Hydrogenase Active Site Mimic journal August 2007
Transition Metal Polyhydrides:  From Qualitative Ideas to Reliable Computational Studies journal February 2000
Isolation of Two Agostic Isomers of an Organometallic Cation: Different Structures and Colors journal July 2013
H2 binding to and silane alcoholysis on an electrophilic Mn(I) fragment with tied-back phosphite ligands. X-ray structure of a Mn–CH2Cl2 complex journal September 2000
Reactivity Models of Hydrogen Activation by Frustrated Lewis Pairs: Synergistic Electron Transfers or Polarization by Electric Field? journal March 2013
A new interpretation of the monomer-dimer equilibrium of triphenylmethyl- and alkylsubstituted-diphenyl methyl-radicals in solution journal January 1968
Stereochemical Control of Iron(II) Complexes Containing a Diphosphine Ligand with a Pendant Nitrogen Base journal May 2005
Recent progress in electrochemical hydrogen production with earth-abundant metal complexes as catalysts journal January 2012
The hexaphenylethane riddle journal January 1974
Moving Protons with Pendant Amines: Proton Mobility in a Nickel Catalyst for Oxidation of Hydrogen journal September 2011
Synthesis and Electrochemical Studies of Cobalt(III) Monohydride Complexes Containing Pendant Amines journal August 2013
Heterolytic Cleavage of Hydrogen by an Iron Hydrogenase Model: An Fe-H⋅⋅⋅H-N Dihydrogen Bond Characterized by Neutron Diffraction journal April 2014
Role of the Azadithiolate Cofactor in Models for [FeFe]-Hydrogenase: Novel Structures and Catalytic Implications journal December 2010
.DELTA.R-ring contributions to phosphorus-31 NMR parameters of transition-metal-phosphorus chelate complexes journal June 1981
Reversible Displacement of Polyagostic Interactions in 16e [Mn(CO)(R 2 PC 2 H 4 PR 2 ) 2 ] + by H 2 , N 2 , and SO 2 . Binding and Activation of η 2 -H 2 trans to CO Is Nearly Invariant to Changes in Charge and cis Ligands journal March 1999
Thermochemical and Mechanistic Studies of Electrocatalytic Hydrogen Production by Cobalt Complexes Containing Pendant Amines journal November 2013
[Ni(Et 2 PCH 2 NMeCH 2 PEt 2 ) 2 ] 2+ as a Functional Model for Hydrogenases journal January 2003
Iron Complexes for the Electrocatalytic Oxidation of Hydrogen: Tuning Primary and Secondary Coordination Spheres journal March 2014
Dihydrogen Bonding:  Structures, Energetics, and Dynamics journal July 2001
γ Agostic C–H or β agostic Si–C bonds in La{CH(SiMe3)2}3? A DFT study of the role of the ligand journal November 2002
Syntheses and Reactions of Iron(II) Complexes Containing Diphosphine Ligands with Pendant Nitrogen Bases journal September 2007
Multifunctional ligands in transition metal catalysis journal January 2011
An Unusual Type of H.cntdot..cntdot..cntdot.H Interaction: Ir-H.cntdot..cntdot..cntdot.H-O and Ir-H.cntdot..cntdot..cntdot.H-N Hydrogen Bonding and Its Involvement in .sigma.-Bond Metathesis journal November 1994
Hydride Transfer from (η 5 -C 5 Me 5 )(CO) 2 MH (M = Fe, Ru, Os) to Trityl Cation:  Different Products from Different Metals and the Kinetics of Hydride Transfer journal May 2002
Three-centre dihydrogen bond with fast interchange between proton and hydride: a very active catalyst for D+–H2 exchange† journal January 1998
Development of Molecular Electrocatalysts for Energy Storage journal February 2014
Glossary of terms used in theoretical organic chemistry journal October 1999
The Mechanism of Dihydrogen Activation by Frustrated Lewis Pairs Revisited journal January 2010
Complexes of earth-abundant metals for catalytic electrochemical hydrogen generation under aqueous conditions journal January 2013
Catalysts made of earth-abundant elements (Co, Ni, Fe) for water splitting: Recent progress and future challenges journal January 2012
Analysis of the Activation and Heterolytic Dissociation of H 2 by Frustrated Lewis Pairs: NH 3 /BX 3 (X = H, F, and Cl) journal June 2012
Pendant Bases as Proton Relays in Iron Hydride and Dihydrogen Complexes journal March 2006
Molecular Electrocatalysts for the Oxidation of Hydrogen and the Production of Hydrogen - The Role of Pendant Amines as Proton Relays journal January 2011
Synthesis and Characterization of Hydrotris(pyrazolyl)borate Dihydrogen/Hydride Complexes of Rhodium and Iridium journal November 1997
An iron complex with pendent amines as a molecular electrocatalyst for oxidation of hydrogen journal February 2013
Quantum Mechanical Exchange Coupling in Polyhydride and Dihydrogen Complexes journal September 1998
Naphthalene proton sponges as hydride donors: diverse appearances of the tert-amino-effect journal January 2011
Facile Heterolytic Cleavage of Dihydrogen by Phosphines and Boranes journal February 2007
An Instance of Trivalent Carbon: Triphenylmethyl. journal November 1900
Conformational Dynamics and Proton Relay Positioning in Nickel Catalysts for Hydrogen Production and Oxidation journal November 2013
Rapid, Reversible Heterolytic Cleavage of Bound H 2 journal July 2013
Two Pathways for Electrocatalytic Oxidation of Hydrogen by a Nickel Bis(diphosphine) Complex with Pendant Amines in the Second Coordination Sphere journal June 2013
Hydride Transfer Reactions of Transition Metal Hydrides:  Kinetic Hydricity of Metal Carbonyl Hydrides journal December 1998
Agostic interactions in transition metal compounds journal April 2007
A rare terminal dinitrogen complex of chromium journal January 2011
Production of hydrogen by electrocatalysis: making the H–H bond by combining protons and hydrides journal January 2014
Cationic Manganese(I) Dihydrogen and Dinitrogen Complexes Derived from a Formally 16-Electron Complex with a Bis-Agostic Interaction, [Mn(CO)(Ph 2 PC 2 H 4 PPh 2 ) 2 ] + journal January 1996
Enantioselective reductive aldol reaction using tertiary amine as hydride donor journal August 2012
Hydrogen oxidation catalysis by a nickel diphosphine complex with pendant tert-butyl amines journal January 2010
Protonation of transition-metal hydrides: a not so simple process journal January 2009
Valence-Shell Charge Concentrations and Electron Delocalization in Alkyllithium Complexes: Negative Hyperconjugation and Agostic Bonding journal May 2002
Synthesis, Characterization, and Reactivity of Fe Complexes Containing Cyclic Diazadiphosphine Ligands: The Role of the Pendant Base in Heterolytic Cleavage of H 2 journal March 2012
Isotope Effects on Hydride Transfer Reactions from Transition Metal Hydrides to Trityl Cation. An Inverse Isotope Effect for a Hydride Transfer journal April 1999
Mechanistic Insights into Catalytic H 2 Oxidation by Ni Complexes Containing a Diphosphine Ligand with a Positioned Amine Base journal April 2009
Development of Molecular Electrocatalysts for CO2 Reduction and H2 Production/Oxidation journal December 2009
Rapid intramolecular heterolytic dihydrogen activation by a four-membered heterocyclic phosphane–borane adduct journal January 2007
Synthesis, Structures, and Reactions of Manganese Complexes Containing Diphosphine Ligands with Pendant Amines journal October 2010
Coordination chemistry of dihydrogen journal May 1993
Comparative Binding of H 2 , N 2 , and Related Ligands to [Mn(CO) 3 (PCy 3 ) 2 ] + and Other 16e Electrophiles. N 2 Does Not Coordinate, and H 2 Is the Most Versatile Weak Ligand journal November 1998
Does the environment around the H-cluster allow coordination of the pendant amine to the catalytic iron center in [FeFe] hydrogenases? Answers from theory journal June 2013
Platinum Availability for Future Automotive Technologies journal November 2012
The Role of Pendant Amines in the Breaking and Forming of Molecular Hydrogen Catalyzed by Nickel Complexes journal April 2012