UNUSUAL NEGATIVE MOLECULAR IONS AND DIANIONS AND CHEMICAL BONDS INVOLVING RYDBERG ORBITALS

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2000

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Ohio State University

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In this presentation, our work and that of several other groups on the species listed in the title will be discussed. Particular emphasis will be given to: (a) dipole bound $anions^{1}$ (which have also been the subject of numerous experimental studies), (b) dipole bound $dianions^{2}$ (which remain theoretical speculation), (c) resonance states of anions that can be made stable via ``solvation'', (d) dianions such as $TeF_{8}^{2-}$ that have extremely high second electron binding $energies^{3}$ (which occur in the solid state and in solution), (e) anions in which the ``extra'' electron occupies a Rydberg-like molecular $orbital^{4}$ (which have been seen experimentally), and (f) chemical bonds that arise when a Rydberg-like orbital is $involved^{5}$.

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1. Maciej Gutowski, Piotr Skurski, Kenneth D. Jordan, Jack Simons; Int J. Quant. Chem.; 64, 183 (1997). 2. P. Skurski, M. Gutowski and J. Simons, Int J. Quant Chem. 76. 197 (2000). 3. Alexander I. Boldyrev, Maciej Gutowski, and Jack Simons; Acc. Chem. Res.; 29, 497 (1996). 4. Jack Simons and Maciej Gutowski, Chem. Rev. 91, 669 (1991). 5. A. I. Boldyrev and J. Simons; J. Phys. Chem. 96, 8840 (1992); A. I. Boldyrev and J. Simons. J. Phys. Chem., 103, 3575 (1999).
Author Institution: Department of Chemistry and Henry Eyring Center for Theoretical Chemistry, University of Utah

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