1-Butyne, 3,3-dimethyl-

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Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas25.36kcal/molCcrPimenova, Kozina, et al., 1986ALS
Δfgas25.57 ± 0.31kcal/molIonSiretskaya, Takhistov, et al., 1986ALS
Δfgas25.50kcal/molN/AKupreev and Shimonaev, 1977Value computed using ΔfHliquid° value of 78.5±2.4 kj/mol from Kupreev and Shimonaev, 1977 and ΔvapH° value of 28.2 kj/mol from Pimenova, Kozina, et al., 1986.; DRB

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
8.78350.Thermodynamics Research Center, 1997p=1 bar.; GT
13.53100.
18.47150.
22.98200.
29.281273.15
31.384298.15
31.537300.
39.379400.
45.985500.
51.398600.
55.891700.
59.696800.
62.966900.
65.7911000.
68.241100.
70.361200.
72.231300.
73.831400.
75.241500.

Phase change data

Go To: Top, Gas phase thermochemistry data, Mass spectrum (electron ionization), 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:
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

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Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin NIST Mass Spectrometry Data Center, 1990.
NIST MS number 114416

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References

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), Notes

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]

Thermodynamics Research Center, 1997
Thermodynamics Research Center, Selected Values of Properties of Chemical Compounds., Thermodynamics Research Center, Texas A&M University, College Station, Texas, 1997. [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

Go To: Top, Gas phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References