2,2,7,7-Tetramethylocta-3,5-diyne

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase ion energetics data

Go To: Top, References, Notes

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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron

View reactions leading to C12H18+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.61 ± 0.02PEHeilbronner, Jones, et al., 1978Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C12H18+8.82 ± 0.04?EIBock and Seidl, 1968RDSH

References

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

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

Heilbronner, Jones, et al., 1978
Heilbronner, E.; Jones, T.B.; Kloster-Jensen, E.; Maier, J.P., 191. Electronic states of di-t-butylpolyacetylene radical cations, Helv. Chim. Acta, 1978, 61, 2040. [all data]

Bock and Seidl, 1968
Bock, H.; Seidl, H., d-Orbital effects in siliconsubstituted π-electron systems. Part XII. Some spectroscopic properties of alkyl and silyl acetylenes and polyacetylenes, J. Chem. Soc. B, 1968, 1158. [all data]


Notes

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