Tricyclo[2.2.1.0(2,6)]heptane

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Phase change 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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Δvap9.20kcal/molN/AOsmont, Catoire, et al., 2008AC
Δvap9.2 ± 0.2kcal/molCSteele, 1978ALS
Δvap9.25kcal/molN/ASteele, 1978DRB
Δvap9.08 ± 0.02kcal/molVHall, Smith, et al., 1973ALS
Δvap9.08kcal/molN/AHall, Smith, et al., 1973DRB
Quantity Value Units Method Reference Comment
Δsub9.2 ± 0.2kcal/molBGSteele, 1978AC
Δsub9.37 ± 0.26kcal/molCKozina, Bychikhina, et al., 1976AC
Δsub9.36 ± 0.26kcal/molVKozina, Bychikhina, et al., 1976, 2ALS
Δsub9.37kcal/molN/AKozina, Bychikhina, et al., 1976, 2DRB

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
9.15317.AStephenson and Malanowski, 1987Based on data from 302. to 337. K.; AC

Reaction thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

Hydrogen + Tricyclo[2.2.1.0(2,6)]heptane = Norbornane

By formula: H2 + C7H10 = C7H12

Quantity Value Units Method Reference Comment
Δr-31.1 ± 0.2kcal/molChydFlury, Grob, et al., 1988liquid phase; solvent: Isooctane
Δr-32.58 ± 0.52kcal/molChydRogers, Choi, et al., 1980liquid phase; solvent: Hexane; Author was aware that data differs from previously reported values

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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
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 C7H10+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.7PEDella, Pigou, et al., 1985LBLHLM
8.92 ± 0.01EIHolmes and McGillivray, 1971LLK
9.02PEBodor, Dewar, et al., 1970RDSH
9.37PEDella, Pigou, et al., 1985Vertical value; LBLHLM
9.40PEHaselbach, Heilbronner, et al., 1972Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C5H6+9.44 ± 0.01C2H4EIHolmes and McGillivray, 1971LLK
C6H7+10.17 ± 0.01CH3EIHolmes and McGillivray, 1971LLK
C7H9+11.3 ± 0.01HEIHolmes and McGillivray, 1971LLK

References

Go To: Top, Phase change data, Reaction thermochemistry data, 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.

Osmont, Catoire, et al., 2008
Osmont, Antoine; Catoire, Laurent; Gokalp, Iskender, Physicochemical Properties and Thermochemistry of Propellanes, Energy Fuels, 2008, 22, 4, 2241-2257, https://doi.org/10.1021/ef8000423 . [all data]

Steele, 1978
Steele, W.V., The standard enthalpies of formation of a series of C7, bridged-ring hydrocarbons: norbornane, norbornene, nortricyclene, norbornadiene, and quadricyclane, J. Chem. Thermodyn., 1978, 10, 919-927. [all data]

Hall, Smith, et al., 1973
Hall, H.K., Jr.; Smith, C.D.; Baldt, J.H., Enthalpies of formation of norticyclene, norbornene, norbornadiene, and quadricyclane, J. Am. Chem. Soc., 1973, 95, 3197-3201. [all data]

Kozina, Bychikhina, et al., 1976
Kozina, M.P.; Bychikhina, L.V.; Gal'chenko, G.V.; Milwitskaya, E.M.; Ordubade, M.; Plate, A.F., Dokl. Akad. Nauk SSSR, 1976, 226, 1105. [all data]

Kozina, Bychikhina, et al., 1976, 2
Kozina, M.P.; Bychikhina, L.V.; Gal'chenko, G.L.; Mil'vitskaya, E.M.; Ordubadi, M.; Plate, A.F., Enthalpies of nortricyclene and norbornene formation, Dokl. Akad. Nauk SSSR, 1976, 226, 1105-1108. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Flury, Grob, et al., 1988
Flury, P.; Grob, C.A.; Wang, G.Y.; Lennatz, H.-W.; Roth, W.R., 113. Norbornanes. Bridging strain in norbornyl and oxanorbornyl cations, Helv. Chim. Acta, 1988, 71, 1017-1024. [all data]

Rogers, Choi, et al., 1980
Rogers, D.W.; Choi, L.S.; Girellini, R.S., Heats of hydrogenation and formation of quadricyclene, norbornadiene, norbornene, and nortricyclene, J. Phys. Chem., 1980, 84, 1810-1814. [all data]

Della, Pigou, et al., 1985
Della, E.W.; Pigou, P.E.; Livett, M.K.; Peel, J.B., The photoelectron spectrum of 1-bromotricyclene, Aust. J. Chem., 1985, 38, 69. [all data]

Holmes and McGillivray, 1971
Holmes, J.L.; McGillivray, D., The mass spectra of isomeric hydrocarbons-I: Norbornene and nortricyclene; The mechanisms and energetics of their fragmentations, Org. Mass Spectrom., 1971, 5, 1349. [all data]

Bodor, Dewar, et al., 1970
Bodor, N.; Dewar, M.J.S.; Worley, S.D., Photoelectron spectra of molecules. III. Ionization potentials of some cyclic hydrocarbons and their derivatives, and heats of formation and ionization potentials calculated by the MINDO SCF MO method, J. Am. Chem. Soc., 1970, 92, 19. [all data]

Haselbach, Heilbronner, et al., 1972
Haselbach, E.; Heilbronner, E.; Musso, H.; Schmelzer, A., Notiz uber die Photoelektronen-Spektren des Nortricyclens und des Triasterans, Helv. Chim. Acta, 1972, 55, 302. [all data]


Notes

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