Arsole Aromaticity Revisited
M. P. Johansson and J. Juselius
Affiliation: Department of Chemistry, Laboratory for Instruction in Swedish, P. O. Box 55, FI-00014 Universityof Helsinki, Finland.
Using quantum chemical methodology, we reinvestigate the aromaticity of the much debated arsole, using the newly developed gauge-including magnetically induced currents (GIMIC) method. GIMIC provides a quantitative measure of the induced ring current strength, showing arsole to be moderately aromatic. Comparison is made with pyrrole, phosphole, and cyclopentadiene.
Keywords: aromaticity, arsenic, heterocycles, small ring systems, quantum chemistry
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