There is some indication that other hydrogen ring compounds and ions in addition to H3 and D3
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According to J.S. Wright and G.A. DiLabio (J. Phys. Chem. 96, 10793 (1992)), H-5 H6, and H+7 are particularly stable whereas H4 and H+3 are not. Confirm these statements by Huckel calculations.
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The secular determinant for a cyclic species H has the form 123 X H4 H Hs H5 H6 H 1 0 0 H 1 1 0 Spec...View the full answer
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