Semi-empirical predictions of energy levels, their Landé gJ factors and hyperfine structure for the odd-parity configuration system of Ho II

2021 ◽  
pp. 108060
Author(s):  
S. Wilman ◽  
M. Klempka ◽  
M. Elantkowska ◽  
J. Ruczkowski
Keyword(s):  
Hyperfine Structure ◽  
Energy Levels ◽  
Configuration System ◽  
Semi Empirical

Semi-empirical Molecular Orbital Energy Levels of the Hexammine and Chloroammine Complexes of Co(IV)

1967 ◽  
Vol 22 (2) ◽  
pp. 170-175 ◽  
Author(s):  
Walter A. Yeranos ◽  
David A. Hasman
Keyword(s):  
Molecular Orbital ◽  
Energy Levels ◽  
Empirical Evaluation ◽  
Wave Functions ◽  
Electronic Transitions ◽  
Orbital Energy ◽  
Molecular Orbital Energy ◽  
The One ◽  
Semi Empirical

Using the recently proposed reciprocal mean for the semi-empirical evaluation of resonance integrals, as well as approximate SCF wave functions for Co3+, the one-electron molecular energy levels of Co (NH3) 3+, Co (NH3) 5Cl2+, and Co (NH3) 4Cl21+ have been redetermined within the WOLFSBERG–HELMHOLZ approximation. The outcome of the study fits remarkably well with the observed electronic transitions in the u.v. spectra of these complexes and prompts different band assignments than previously suggested.

scholarly journals Parametric Calculations of Radiative Decay Rates for Magnetic Dipole and Electric Quadrupole Transitions in Tm IV, Yb V, and Er IV

Atoms ◽  
2018 ◽  
Vol 6 (3) ◽  
pp. 52
Author(s):  
Wan-Ü Tchang-Brillet ◽  
Jean-François Wyart ◽  
Ali Meftah ◽  
Sofiane Ait Mammar
Keyword(s):  
Magnetic Dipole ◽  
Radiative Decay ◽  
Transition Probabilities ◽  
Energy Levels ◽  
Electric Quadrupole ◽  
Decay Rates ◽  
Line Intensities ◽  
Parametric Studies ◽  
On Line ◽  
Semi Empirical

Semi-empirical transition probabilities for magnetic dipole (M1) and electric quadrupole (E2) emission lines have been derived from parametric studies of experimental energy levels in Tm3+ (Tm IV), Yb4+ (Yb V), and Er3+ (Er IV), using Cowan codes. Results are compared with those existing from ab initio calculations or from more sophisticated semi-empirical calculations. Satisfactory agreements show that simple parametric calculations can provide good predictions on line intensities, provided that experimental levels are available, allowing reliable fits of energy parameters.

Reanalysis and semi-empirical predictions of the hyperfine structure of $\mathsf{^{91}ZrI}$ in the model space $\mathsf{(4d + 5s )^4}$

1998 ◽  
Vol 4 (1) ◽  
pp. 39-46 ◽  
Author(s):  
S. Bouazza ◽  
J. Dembczynski ◽  
E. Stachowska ◽  
G. Szawiola ◽  
J. Ruczkowski
Keyword(s):  
Hyperfine Structure ◽  
Model Space ◽  
Semi Empirical
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