Method for screening metal organic framework catalytic material based on high-throughput calculation
A technology of metal-organic frameworks and catalytic materials, applied in the field of computational chemistry and nanocomposite catalytic materials, can solve the problems of not giving full play to the guiding function of theoretical calculations and shortening the research and development cycle, achieving good practical value, shortening the research and development cycle, and improving performance The effect of optimization with precision
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Embodiment example 1
[0027] (1) Perform high-throughput calculation and screening of MOFs structures formed by transition metal ions and terephthalic acid ligands in the fourth period. The ion model is used as the input file for high-throughput calculations. This implementation case is aimed at the electrochemical catalytic system, and all calculations are completed at the same calculation accuracy. The GGA-RPBE exchange-correlation functional is used for structure optimization, and the density of states is calculated using HSE06 shields the hybrid functional, all calculations use the default valence layer electron arrangement structure, the pseudopotential uses the Ultrasoft pseudopotential, the cutoff energy is unified to 520eV, and the Monkhorst-Pack grid point sampling adopts high-precision sampling (6×4×1), The convergence threshold of SCF self-consistent reaction is 5.0 × 10 -7 eV / atom, the convergence criterion for structure optimization is that the energy fluctuation is less than 5.0×10 -...
Embodiment example 2
[0030] High-throughput computational screening of MOFs structures formed by transition metal ions and 2-aminoterephthalic acid ligands in the fourth period. The model of the central metal ion is used as the input file for high-throughput calculations. This implementation case is aimed at the photochemical catalytic system. All calculations are completed at the same calculation accuracy. The GGA-PBE exchange-correlation functional is used for structure optimization. For the energy band structure and The density of states is calculated using HSE06 shielded hybrid functional. All calculations use the default valence layer electron arrangement structure. The pseudopotential uses the Ultrasoft pseudopotential. The cutoff energy is uniformly 580eV. 4×1), the SCF self-consistent response convergence threshold is 5.0×10 -7 eV / atom, the convergence criterion for structure optimization is that the energy fluctuation is less than 5.0×10 -6 eV / atom, the maximum force is less than The m...
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