A theoretical study of aromaticity in sq
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David QuiΓ±onero; Antonio Frontera; Pau Ballester; Pere M DeyΓ *
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Article
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2000
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Elsevier Science
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French
β 471 KB
A systematic estimation of aromaticity in oxocarbon acids, their dianions, squaramide and its complex with the ammonium cation have been studied using structural and magnetic criteria. Results based on Nucleus Independent Chemical Shift (NICS) predict that deltic and squaric acids and their dianions