1-Butyne, 3,3-dimethyl-

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Condensed phase 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

Quantity Value Units Method Reference Comment
Δfliquid18.6 ± 0.36kcal/molCcrPimenova, Kozina, et al., 1986 
Δfliquid18.60 ± 0.31kcal/molIonSiretskaya, Takhistov, et al., 1986 
Δfliquid18.75 ± 0.58kcal/molCcbKupreev and Shimonaev, 1977 
Quantity Value Units Method Reference Comment
Δcliquid-924.50 ± 0.31kcal/molCcrPimenova, Kozina, et al., 1986Corresponding Δfliquid = 18.6 kcal/mol (simple calculation by NIST; no Washburn corrections)
Δcliquid-924.63 ± 0.57kcal/molCcbKupreev and Shimonaev, 1977Corresponding Δfliquid = 18.75 kcal/mol (simple calculation by NIST; no Washburn corrections)

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tboil311. ± 1.KAVGN/AAverage of 16 out of 18 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus194.94KN/APomerantz, Fookson, et al., 1954Uncertainty assigned by TRC = 0.3 K; TRC
Tfus192.0KN/AVan Risseghem, 1922Uncertainty assigned by TRC = 1.5 K; TRC
Tfus192.KN/ATimmermans, 1922Uncertainty assigned by TRC = 1.5 K; TRC
Quantity Value Units Method Reference Comment
Δvap6.74kcal/molEPimenova, Kozina, et al., 1986ALS
Δvap6.979kcal/molESiretskaya, Takhistov, et al., 1986ALS

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

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

Pimenova, Kozina, et al., 1986
Pimenova, S.M.; Kozina, M.P.; Gal'chenko, G.L.; Siretskaya, T.V.; Takhistov, V.V.; Kuznetsova, T.S.; Proskurnina, M.V.; Kotel'nikova, T.A., Heats of combustion and formation of some compounds with acetylene bonding, Termodin. Org. Soedin., 1986, 12-16. [all data]

Siretskaya, Takhistov, et al., 1986
Siretskaya, T.V.; Takhistov, V.V.; Pimenova, S.M.; Orlov, V.M.; Pustobaev, V.N., Formation enthalpies of acetylene ketones fragments in gas phases, React. Kinet. Catal. Lett., 1986, 31, 15-19. [all data]

Kupreev and Shimonaev, 1977
Kupreev, A.I.; Shimonaev, G.S., Determination of the enthalpies of formation of liquid acetylenic hydrocarbons, Russ. J. Phys. Chem. (Engl. Transl.), 1977, 51, 826-827. [all data]

Pomerantz, Fookson, et al., 1954
Pomerantz, P.; Fookson, A.; Mears, T.W.; Rothberg, S.; Howard, F.L., Synthesis and Physical Properties of Several Acetylenic Hydrocarbons, J. Res. Natl. Bur. Stand. (U. S.), 1954, 52, 51. [all data]

Van Risseghem, 1922
Van Risseghem, H., Synthesis of trimethylethylmethane, Bull. Soc. Chim. Belg., 1922, 31, 62-6. [all data]

Timmermans, 1922
Timmermans, J., Investigation of the Freezing Point of Organic Substances VII, Bull. Soc. Chim. Belg., 1922, 31, 389. [all data]


Notes

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