Transition energy frequency

The connection between transition energy AEand frequency v is given by Einstein s classic formula... 

The active space used for both systems in these calculations is sufficiently large to incorporate important core-core, core-valence, and valence-valence electron correlation, and hence should be capable of providing a reliable estimate of Wj- In addition to the P,T-odd interaction constant Wd, we also compute ground to excited state transition energies, the ionization potential, dipole moment (pe), ground state equilibrium bond length and vibrational frequency (ov) for the YbF and pe for the BaF molecule. 

The transition energy can also be described as a frequency of electromagnetic radiation A E = h f (10)... 

The second contribution to the line-width is Doppler broadening. While the transition energy AE may be constant, the frequency and therefore the energy of radiation increases if the molecule is approaching the source and decreases if the molecule is receding from the source. In terms of energy... 

Transition ) Calcd. energies of the transition Band frequencies in [CoBr(Megtren)]Br, kK... 

Figure 27-6 Total magnetic energies and transition energies for the possible states of the protons of CI2CH—CH=0 at close to 60-MHz observing frequency. The energy levels on the left are without correction for the spin-spin interactions, those on the right include the corrections. The chemical shifts with respect to TMS at exactly 60 MHz are 350 Hz and 580 Hz. The resulting line positions are shown in Figure 27-7.

Connection between the peak frequency of the fluorescence spectrum and solvation can be made by noting that v t) contains a contribution from the isolated-molecule transition energy (Eel) and a time-dependent contribution, AE t), due to the presence of the solvent [6,21-23]... 

Fig. 11.3 Variation of fl for frequency doubling (solid lines) and the electrooptic effect (dotted line) with incident light frequency, m, according to the two-level Eqs. (17) and (18), respectively. /J0 is the static hyperpolarizability and a>ge is the transition energy from the ground state to the excited state responsible for / . Note that for frequency doubling there is an additional resonance seen when...

The principle behind this investigation is electrochromism or Stark-effect spectroscopy. The electronic transition energy of the adsorbed chromophore is perturbed by the electric field at the electric double layer. This is due to interactions of the molecular dipole moment, in the ground and excited states, with the interfacial electric field induced by the applied potential. The change in transition frequency Av, is related to the change in the interfacial electric field, AE, according to the following ... 

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