Comparative PM3-MO study of the E2O2 and E2N2 (E = P,As) four membered ring systems

I Silaghi-Dumitrescu, A Horea, Sofia Pascu, L Silaghi-Dumitrescu, I Haiduc

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Abstract

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.
Original languageEnglish
Pages (from-to)441-444
Number of pages4
JournalPhosphorus Sulfur and Silicon and the Related Elements
Volume124/5
Publication statusPublished - 1997
Event8th International Symposium on Inorganic Ring Systems - Loughborough, UK United Kingdom
Duration: 10 Aug 199715 Aug 1997

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    Silaghi-Dumitrescu, I., Horea, A., Pascu, S., Silaghi-Dumitrescu, L., & 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, 124/5, 441-444.