Journal
JOURNAL OF ORGANOMETALLIC CHEMISTRY
Volume 691, Issue 21, Pages 4359-4366Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jorganchem.2006.01.038
Keywords
NICS profiles; inorganic rings; aromaticity; DFT calculations
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A series of monocyclic planar inorganic compounds have been optimized at the B3LYP/6-311+G* level. GIAO-B3LYP nucleus-independent chemical shifts (NICS) profiles calculated in the perpendicular direction of each ring show that the series of analyzed compounds can be classified in three groups according to their aromatic, non-aromatic or antiaromatic character. Our results suggest exercising caution in the use of single-point NICS calculations as a quantitative measure of aromaticity for these species. (c) 2006 Elsevier B.V. All rights reserved.
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