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- W4283014010 abstract "CO2 conversion to value-added chemicals requires efficient catalytic CO2 reduction. Activation of CO2 using 14 phosphine–borane frustrated Lewis pair catalysts was done computationally using B3LYP-D3/6-31++G(d,p)/PCM/THF and M06-2X/6-311++G(d,p)/PCM/THF methods. We designed 14 catalysts, 12 of which exhibit better catalytic activity towards CO2 activation. Moreover, the catalytic mechanisms of compounds 12 and 4 were predicted, and they showed an efficient catalytic system for CO2 reduction to CO, HCHO and HCOOH. Catalysts 2, 3 and 4, with the same methylene linker, have activation energies of 20.5, 18.3 and 10.4 kcal/mol, respectively. This indicates that the catalytic activity of the compound is highly influenced by the ligand bound to borane and phosphine. Compound 4 with the CO2 activation energy of 10.4 kcal/mol is the most efficient catalyst for CO2 activation ever reported among phosphine–borane catalysts. The energy barriers for H2 activation with catalyst 12 (ΔG‡ = 26.6 kcal/mol) and 4 (ΔG‡ = 34.0 kcal/mol) are higher than the HCOOH releasing activation energy. The designed compounds will help to synthesise efficient metal-free phosphine–borane catalysts. Our results also indicate that phosphine–borane catalysts are promising candidates for CO2 reduction and direct hydrogenation." @default.
- W4283014010 created "2022-06-18" @default.
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- W4283014010 date "2022-06-16" @default.
- W4283014010 modified "2023-10-16" @default.
- W4283014010 title "Phosphine–borane catalysts for CO<sub>2</sub> activation and reduction: a computational study" @default.
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- W4283014010 doi "https://doi.org/10.1080/00268976.2022.2087566" @default.
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