The recent development of density functional theory (DFT) makes it possible to calculate accurately metalloporphyrin structures and potential surfaces. This is illustrated for nickel porphine, the vibrations of which are reliably assigned from extensive spectroscopic studies. With a minimal set of s
Assignment of photoelectron spectra by the help of density functional calculations
✍ Scribed by László Nyulászi; Tamás Veszprémi
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 124 KB
- Volume
- 61
- Category
- Article
- ISSN
- 0020-7608
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✦ Synopsis
First adiabatic and vertical ionization energies were calculated by the density functional method using Becke's correlated functional for water, ammonia, the silyl radical, fivemembered heterocycles, and naphtalene. The structure of the ionic ground state and that of the neutral was optimized separately. The calculated ionization energies and harmonic frequencies are in acceptable agreement with the observed values. The calculated geometrical changes are in agreement with the information deduced from the photoelectron spectra.
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