Comparative PM3-MO study of the E2O2 and E2N2 (E = P,As) four membered ring systems
Silaghi-Dumitrescu, I., Horea, A., Pascu, S., Silaghi-Dumitrescu, L. and Haiduc, I., 1997. Comparative PM3-MO study of the E2O2 and E2N2 (E = P,As) four membered ring systems. Phosphorus Sulfur and Silicon and the Related Elements, 125, pp. 441-444.
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It seems that the relative stability of the E2O2 and E2N2 (E=P,As) rings is mainly determined by the different weights of the oxygen and nitrogen p orbitals to the HOMO's of these systems which in turn reflects a more favourable orbital mixing in the rings where the difference of the electronegativity of the constituents is smaller. This might explain the great diversity of the cyclodiphosphazane (arsazane) rings comparatively to the cyclodiphosphoxane (arsoxane) rings.
|Creators||Silaghi-Dumitrescu, I., Horea, A., Pascu, S., Silaghi-Dumitrescu, L. and Haiduc, I.|
|Departments||Faculty of Science > Chemistry|
|Additional Information||8th International Symposium on Inorganic Ring Systems (IRIS VIII), 10-15 August 1997, Loughborough, England Elsevier Sci, Exxon Chem, Gordon & Breach Publ Inc, 3M Hlth Care Ltd, Int Council Main Grp Chem, Loughborough Univ, NEC, Royal Soc Chem, Dalton Div, Siemens axs Ltd, John Wiley & Sons Ltd|
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