1,3-Diethynylbenzene

Formula: C₁₀H₆
Molecular weight: 126.1546
IUPAC Standard InChI: InChI=1S/C10H6/c1-3-9-6-5-7-10(4-2)8-9/h1-2,5-8H
IUPAC Standard InChIKey: PNXLPYYXCOXPBM-UHFFFAOYSA-N
CAS Registry Number: 1785-61-1
Chemical structure:
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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

IE (eV)	Method	Reference	Comment
8.82 ± 0.02	PE	Brogli, Heilbronner, et al., 1975	LLK

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Brogli, Heilbronner, et al., 1975
Brogli, F.; Heilbronner, E.; Wirz, J.; Kloster-Jensen, E.; Bergman, R.G.; Vollhardt, K.P.C.; Ashe, A.J., III, The consequences of σ and π conjugative interactions in mono-, di- and triacetylenes. A photoelectron spectroscopic investigation, Helv. Chim. Acta, 1975, 58, 2620. [all data]

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Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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