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A Common Intermediate for N2 Formation in Enzymes and Zeolites: Side-On Cu–Nitrosyl Complexes

Authors

  • Ja Hun Kwak,

    Corresponding author
    1. School of Nano-Bioscience & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 689-798 (Korea)
    • Ja Hun Kwak, School of Nano-Bioscience & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 689-798 (Korea)===

      János Szanyi, Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)===

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  • Jong H. Lee,

    1. Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)
    2. Current address: Daimler Trucks North America, Detroit, MI (USA)
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  • Sarah D. Burton,

    1. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)
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  • Andrew S. Lipton,

    1. Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)
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  • Charles H. F. Peden,

    1. Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)
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  • János Szanyi

    Corresponding author
    1. Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)
    • Ja Hun Kwak, School of Nano-Bioscience & Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 689-798 (Korea)===

      János Szanyi, Institute for Integrated Catalysis, Pacific Northwest National Laboratory, Richland, WA 99354 (USA)===

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  • The authors acknowledge the US Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy/Vehicle Technologies Program for support of this work. The research described in this paper was performed at the Environmental Molecular Sciences Laboratory (EMSL), a national scientific user facility sponsored by the DOE’s Office of Biological and Environmental Research and located at Pacific Northwest National Laboratory (PNNL). PNNL is operated for the US DOE by Battelle Memorial Institute.

Abstract

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Side on! Combined FTIR and NMR studies revealed the presence of a side-on nitrosyl species in the zeolite Cu-SSZ-13. This intermediate is very similar to those found in nitrite reductase enzyme systems. The identification of this intermediate led to the proposal of a reaction mechanism that is fully consistent with the results of both kinetic and spectroscopic studies.

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