An improved determination of the equilibrium structure and molecular properties of XBS and XCP (X = H, F, Cl) molecules from ab initio calculations

2004 ◽  
Vol 6 (2) ◽  
pp. 344-351 ◽  
Author(s):  
Cristina Puzzarini
Keyword(s):  
Ab Initio Calculations ◽  
Ab Initio ◽  
Equilibrium Structure ◽  
Molecular Properties

Rotational spectra of rare isotopic species of bromofluoromethane: Determination of the equilibrium structure from ab initio calculations and microwave spectroscopy

2007 ◽  
Vol 127 (16) ◽  
pp. 164302 ◽  
Author(s):  
Cristina Puzzarini ◽  
Gabriele Cazzoli ◽  
Agostino Baldacci ◽  
Alessandro Baldan ◽  
Christine Michauk ◽  
...  
Keyword(s):  
Ab Initio Calculations ◽  
Ab Initio ◽  
Equilibrium Structure ◽  
Microwave Spectroscopy ◽  
Rotational Spectra ◽  
Isotopic Species

Some ab Initio Calculations on Indole, Isoindole, Benzofuran, and Isobenzofuran

1974 ◽  
Vol 29 (4) ◽  
pp. 624-632 ◽  
Author(s):  
J. Koller ◽  
A. Ažman ◽  
N. Trinajstić
Keyword(s):  
Ab Initio Calculations ◽  
Ab Initio ◽  
Chemical Shifts ◽  
Dipole Moments ◽  
Molecular Properties ◽  
Ionization Potentials ◽  
Charge Densities ◽  
Homo Lumo

Ab initio calculations in the framework of the methodology of Pople et al. have been performed on indole, isoindole, benzofuran. and isobenzofuran. Several molecular properties (dipole moments, n. m. r. chemical shifts, stabilities, and reactivities) correlate well with calculated indices (charge densities, HOMO-LUMO separation). The calculations failed to give magnitudes of first ionization potentials, although the correct trends are reproduced, i. e. giving higher values to more stable isomers. Some of the obtained results (charge densities, dipole moments) parallel CNDO/2 values.

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