Book ChapterDOI
Sulfur-Centered Three-Electron Bonded Radical Species
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In this article, it was shown that if one of the antibonding σ* electrons is removed, the electronic σ/σ* configuration would be a slight repulsion of the two atoms.Abstract:
We all know that it is not possible to stabilize a He2 molecule. Any interaction of the filled He is orbitals would lead to the establishment of bonding a and antibonding σ* energy levels, both doubly occupied. As σ*, for quantum mechanical reasons, is raised a little bit more than σ is lowered relative to the original atomic energy levels the net result of this electronic σ/σ* configuration would be a slight repulsion of the two atoms. The situation becomes significantly different though if one of the antibonding σ* electrons is removed.
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Citations
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Intermolecular complexes between sulé de radical cations from ¯-hydroxy sulé des and phosphate
TL;DR: In this paper, triple-sensitized oxidation of 2-(methylthio)ethanol and photosensitized formaldehyde formation from 2-MTE were measured in aqueous solutions, and it was found that the lifetimes of (S(S) C radicals increased in the presence of phosphate buffer, sodium perchlorate, or D 2O.
Journal ArticleDOI
The selenocyanate dimer radical anion in water: Transient Raman spectra, structure, and reaction dynamics
Ireneusz Janik,G. N. R. Tripathi +1 more
TL;DR: The selenocyanate dimer radical anion (SeCN)2 •-, prepared by electron pulse irradiation of selenOCyanate anions in water, has been examined by transient absorption, time-resolved Raman spectra, and range-separated hybrid density functional (ωB97x and LC-ωPBE) theory.
Book ChapterDOI
Redox Chemistry of Sulfur, Selenium and Tellurium Compounds
TL;DR: In this article, the importance of through space and secondary interactions in influencing this oxidation chemistry is illustrated in a number of cases, including the case of organochalcogen compounds and their corresponding radical cations and dications.
Journal ArticleDOI
Kinetics of the outer-sphere oxidation of thiourea by heteropoly-α 2 -17-tungsto-1-vanadodiphosphate anion
Thangamariyappan Shanmugaprabha,K. Selvakumar,Murugesan Vairalakshmi,Kasi Rajasekaran,Ponnusamy Sami +4 more
TL;DR: In this article, a mechanism for second-order proton-coupled electron transfer involving NH2CSNH2 and α2-[P2VVW17O62]7− proceeds through a sequential electron transfer, followed by proton transfer such that the reaction is an activation-controlled outer-sphere electron transfer process.
References
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Journal ArticleDOI
An electrically neutral .sigma.-sulfuranyl radical from the homolysis of a perester with neighboring sulfenyl sulfur: 9-S-3 species
Journal ArticleDOI
Stabilization of oxidized sulfur centers in organic sulfides. Radical cations and odd-electron sulfur-sulfur bonds
Journal ArticleDOI
Structures and stabilities of singly charged three-electron hemibonded systems and their hydrogen-bonded isomers
Peter M. W. Gill,Leo Radom +1 more