Benzo[b]benzo[3,4]cyclobuta[1,2-e][1,4]dioxin, 4b,10a-dihydro-4b-phenyl-

Formula: C₂₀H₁₄O₂
Molecular weight: 286.3240
IUPAC Standard InChI: InChI=1S/C20H14O2/c1-2-8-14(9-3-1)20-16-11-5-4-10-15(16)19(20)21-17-12-6-7-13-18(17)22-20/h1-13,19H
IUPAC Standard InChIKey: PSQTZUPHZFJNTH-UHFFFAOYSA-N
CAS Registry Number: 53486-88-7
Chemical structure:
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Other data available:
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Gas phase ion energetics data

Data compiled by: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi

Ionization energy determinations

IE (eV)	Method	Reference
7.58 ± 0.02	PE	Bouchoux and Dagaut, 1981

Appearance energy determinations

Ion	AE (eV)	Other Products	Method	Reference	Comment
C₁₃H₉O⁺	10.9 ± 0.1	C₆H₅CO	PE	Bouchoux and Dagaut, 1981

References

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Bouchoux and Dagaut, 1981
Bouchoux, G.; Dagaut, J., Mechanisms of formation of [M-HCO]⁺ and [M-C₆H₅CO]⁺ ions from isomers of 1,4-benzodioxin derivatives, Org. Mass Spectrom., 1981, 16, 246. [all data]

Notes

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Symbols used in this document:

AE Appearance energy
Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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