Spiro[4.4]nona-1,3-diene

• Formula: C₉H₁₂
• Molecular weight: 120.1916
• IUPAC Standard InChI: InChI=1S/C9H12/c1-2-6-9(5-1)7-3-4-8-9/h1-2,5-6H,3-4,7-8H2 Copy

  
• IUPAC Standard InChIKey: FHTXZDURQDIVCD-UHFFFAOYSA-N Copy
• CAS Registry Number: 766-29-0
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • spiro[4.4]nona-1,3-diene
• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
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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 - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

View reactions leading to C₉H₁₂⁺ (ion structure unspecified)

Ionization energy determinations

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 π-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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• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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