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Spiro[4.4]nona-1,3-diene


Gas phase ion energetics data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
LLK - S.G. Lias, R.D. Levin, and S.A. Kafafi

View reactions leading to C9H12+ (ion structure unspecified)

Ionization energy determinations

IE (eV)MethodReferenceComment
8.14PEBischof, Gleiter, et al., 1974LLK
8.10PEBatich, Heilbronner, et al., 1974Vertical value; LLK

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Bischof, Gleiter, et al., 1974
Bischof, P.; Gleiter, R.; de Meijere, A.; Meyer, L.-U., The conjugative interaction between «pi»-orbitals and cyclobutane-orbitals in spiro[3.4]octa-5,7-diene and spiro[3.4]octene-5, Helv. Chim. Acta, 1974, 57, 1519. [all data]

Batich, Heilbronner, et al., 1974
Batich, C.; Heilbronner, E.; Rommel, E.; Semmelhack, M.F.; Foos, J.S., Equivalence of the energy gaps {DELTA}I(1,2) and {DELTA}E(1,2) between corresponding bands in the photoelectron (I) and electronic absorption (E) spectra of spiro[4.4]nonatetraene. An amusing consequence of spiroconjugation, J. Am. Chem. Soc., 1974, 96, 7662. [all data]


Notes

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