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Synthesis and bonding analysis of pentagonal bipyramidal rhenium carboxamide oxo complexes

https://doi.org/10.1039/D3DT02617E

McMillion, Noah D.; Bruch, Quinton J.; Chen, Chun-Hsing; Hasanayn, Faraj; Miller, Alexander J. (October 2023, Dalton Transactions)

Proton-switchable access to seven-coordinate ONNO dicarboxamide and NNNN dicarboxamidate rhenium oxo complexes provides a platform for understanding thermodynamics and bonding in pentagonal bipyramidal complexes.
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Catalytic reduction of dinitrogen to ammonia using molybdenum porphyrin complexes

https://doi.org/10.1039/D2FD00166G

Hegg, Alexander S.; Mercado, Brandon Q.; Miller, Alexander J. M.; Holland, Patrick L. (July 2023, Faraday Discussions)

Porphyrin complexes are well-known in O 2 and CO 2 reduction, but their application to N 2 reduction is less developed. Here, we show that oxo and nitrido complexes of molybdenum supported by tetramesitylporphyrin (TMP) are effective precatalysts for catalytic N 2 reduction to ammonia, verified by 15 N 2 labeling studies and other control experiments. Spectroscopic and electrochemical studies illuminate some relevant thermodynamic parameters, including the N–H bond dissociation free energy of (TMP)MoNH (43 ± 2 kcal mol −1 ). We place these results in the context of other work on homogeneous N 2 reduction catalysis.
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Lewis Structures and the Bonding Classification of End-on Bridging Dinitrogen Transition Metal Complexes

https://doi.org/10.1021/jacs.2c12243

Hasanayn, Faraj; Holland, Patrick L.; Goldman, Alan S.; Miller, Alexander J. M. (February 2023, Journal of the American Chemical Society)
Oxidative Addition of a Phosphinite P–O Bond at Nickel

https://doi.org/10.1021/acs.inorgchem.2c04188

Bruch, Quinton J.; McMillion, Noah D.; Chen, Chun-Hsing; Miller, Alexander J. (February 2023, Inorganic Chemistry)

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Mechanisms of Electrochemical N ₂ Splitting by a Molybdenum Pincer Complex

https://doi.org/10.1021/acs.inorgchem.1c03698

Bruch, Quinton J.; Malakar, Santanu; Goldman, Alan S.; Miller, Alexander J. (January 2022, Inorganic Chemistry)

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Understanding Terminal versus Bridging End-on N ₂ Coordination in Transition Metal Complexes

https://doi.org/10.1021/jacs.1c01146

Yamout, Lynn S.; Ataya, Mohamad; Hasanayn, Faraj; Holland, Patrick L.; Miller, Alexander J.; Goldman, Alan S. (July 2021, Journal of the American Chemical Society)
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