[9]Helicene

Formula: C₃₈H₂₂
Molecular weight: 478.5813
IUPAC Standard InChI: InChI=1S/C38H22/c1-3-7-31-23(5-1)9-11-25-13-15-27-17-19-29-21-22-30-20-18-28-16-14-26-12-10-24-6-2-4-8-32(24)34(26)36(28)38(30)37(29)35(27)33(25)31/h1-22H
IUPAC Standard InChIKey: LKCSSGNXXHZCJW-UHFFFAOYSA-N
CAS Registry Number: 20495-14-1
Chemical structure:
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Other names: Diphenanthro[3,4-c:4'3'-g]phenanthrene
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Gas phase ion energetics data

Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference	Comment
7.07	PE	Obenland and Schmidt, 1975	LLK
7.07	PE	Obenland and Schmidt, 1975	Vertical value; LLK

References

Go To: Top, Gas phase ion energetics data, Notes

Obenland and Schmidt, 1975
Obenland, S.; Schmidt, W., Photoelectron spectra of polynuclear aromatics. IV. The helicenes, J. Am. Chem. Soc., 1975, 97, 6633. [all data]

Notes

Go To: Top, Gas phase ion energetics data, References

Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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