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ncpchem:chiral_field [2025/04/26 17:10] 47.128.32.245 old revision restored (2024/11/19 12:08) |
ncpchem:chiral_field [2025/04/26 18:08] (current) 47.128.52.67 old revision restored (2025/04/02 16:04) |
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As pointed out by Peter the bond stretching will inevitably lead to a breakdown of the SCF model. Indeed one observes that the HOMO-LUMO gap closes | As pointed out by Peter the bond stretching will inevitably lead to a breakdown of the SCF model. Indeed one observes that the HOMO-LUMO gap closes | ||
and the SCF did not converge beyond scaling factor 1.4 | and the SCF did not converge beyond scaling factor 1.4 | ||
- | |||
- | The CCSD(T) optimized geometry is:\\ | ||
- | r(C< | ||
- | r(C< | ||
- | r(C< | ||
</ | </ | ||
</ | </ | ||
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</ | </ | ||
<WRAP column 500px> | <WRAP column 500px> | ||
- | r(C< | + | r(C-Br): 1.945 Å\\ |
- | r(C< | + | r(C-Cl): 1.766 Å\\ |
- | r(C< | + | r(C-H): |
- | Total energy: -3206.489586 hartree\\ | + | Total E< |
- | HOMO-LUMO gap: 0.248490 hartree\\ | + | Central |
- | Total E< | + | |
- | E< | + | |
</ | </ | ||
</ | </ | ||
Line 106: | Line 99: | ||
</ | </ | ||
<WRAP column 500px> | <WRAP column 500px> | ||
- | r(C< | + | |
- | r(C< | + | r(C-Br): 4.469 Å\\ |
- | r(C< | + | r(C-Cl): 4.316 Å\\ |
- | Total energy: -3510.990470 hartree\\ | + | r(C-H): |
- | HOMO-LUMO gap: 0.242571 hartree\\ | + | Total E< |
- | Total E< | + | Central |
- | E< | + | |
</ | </ | ||
</ | </ | ||
Line 148: | Line 140: | ||
</ | </ | ||
<WRAP column 500px> | <WRAP column 500px> | ||
- | + | Total E< | |
- | r(C< | + | Centrl |
- | r(C< | + | |
- | r(C< | + | |
- | Total energy: -3815.623118 hartree\\ | + | |
- | HOMO-LUMO gap: 0.198085 hartree\\ | + | |
- | Total E< | + | |
- | E< | + | |
</ | </ | ||
</ | </ |