1,3-Butadiene, 2,3-dimethyl-
- Formula: C6H10
- Molecular weight: 82.1436
- IUPAC Standard InChIKey: SDJHPPZKZZWAKF-UHFFFAOYSA-N
- CAS Registry Number: 513-81-5
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Biisopropenyl; Diisopropenyl; 2,3-Dimethyl-1,3-butadiene; 2,3-Dimethylbuta-1,3-diene; 2,3-Dimethylbutadiene; CH2=C(CH3)C(CH3)=CH2; 2,3-Dimethylenebutane
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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 by: Glushko Thermocenter, Russian Academy of Sciences, Moscow
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
28.18 | 273.15 | Durig J.R., 1979 | It should be noted that values of S(T) and Cp(T) calculated by Durig et al. [ Durig J.R., 1980, Durig J.R., 1980, 2, Durig J.R., 1981] for alkenes are different from experimental ones and given in TRC Tables [ Thermodynamics Research Center, 1997] by 3-5 J/mol*K. So the accuracy of their data could exceed 2 J/mol*K. |
30.2 ± 0.5 | 298.15 | ||
30.38 | 300. | ||
38.22 | 400. | ||
45.05 | 500. | ||
50.74 | 600. | ||
55.50 | 700. | ||
59.51 | 800. | ||
62.95 | 900. | ||
65.92 | 1000. |
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 |
---|---|---|---|---|---|
ΔcH°liquid | -911.7 | kcal/mol | Ccb | Handrick, 1956 | Kogerman, P. N., 1934; Corresponding ΔfHºliquid = 5.8 kcal/mol (simple calculation by NIST; no Washburn corrections) |
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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
B - John E. Bartmess
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
By formula: 2H2 + C6H10 = C6H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -55.31 ± 0.72 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Dioxane; ALS |
ΔrH° | -54.26 ± 0.67 | kcal/mol | Chyd | Molnar, Rachford, et al., 1984 | liquid phase; solvent: Hexane; ALS |
ΔrH° | -53.39 ± 0.15 | kcal/mol | Chyd | Dolliver, Gresham, et al., 1937 | gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -53.87 ± 0.15 kcal/mol; At 355 °K; ALS |
C6H9- + =
By formula: C6H9- + H+ = C6H10
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 388.1 ± 3.1 | kcal/mol | G+TS | Clifford, Wenthold, et al., 1998 | gas phase; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 380.0 ± 3.0 | kcal/mol | IMRB | Clifford, Wenthold, et al., 1998 | gas phase; B |
+ = C12H10N4
By formula: C6H10 + C6N4 = C12H10N4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -39.57 ± 0.44 | kcal/mol | Cm | Rogers, 1972 | liquid phase; ALS |
C12H10N4 = +
By formula: C12H10N4 = C6H10 + C6N4
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 39.57 ± 0.44 | kcal/mol | Cm | Rogers, 1972 | solid phase; ALS |
Henry's Law 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: Rolf Sander
Henry's Law constant (water solution)
kH(T) = k°H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 K)))
k°H = Henry's law constant for solubility in water at 298.15 K (mol/(kg*bar))
d(ln(kH))/d(1/T) = Temperature dependence constant (K)
k°H (mol/(kg*bar)) | d(ln(kH))/d(1/T) (K) | Method | Reference |
---|---|---|---|
0.021 | V | N/A |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Durig J.R., 1979
Durig J.R.,
Analysis of torsional spectra of molecules with two internal C3v rotors. 16. Infrared and Raman spectra, vibrational assignment, methyl torsional potential function, and gas phase thermodynamic functions of 2,3-dimethylbuta-1,3-diene,
J. Phys. Chem., 1979, 83, 2879-2886. [all data]
Durig J.R., 1980
Durig J.R.,
Spectroscopic and thermodynamic study of conformational properties and torsional potential functions of 1-butene,
J. Phys. Chem., 1980, 84, 773-781. [all data]
Durig J.R., 1980, 2
Durig J.R.,
Torsional spectra of molecules with two internal C3v rotors. 19. Vibrational spectra, torsional potential functions, and conformational and thermodynamic properties of 2-methyl-1-butene,
J. Phys. Chem., 1980, 84, 3554-3561. [all data]
Durig J.R., 1981
Durig J.R.,
Analysis of torsional spectra of molecules with two internal C3v rotors. 20. Vibrational spectra, torsional potential functions, and conformational and thermodynamic properties of 3-methyl-1-butene,
J. Phys. Chem., 1981, 85, 426-434. [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]
Handrick, 1956
Handrick, G.R.,
Report of the study of pure explosive compounds. Part IV. Calculation of heat of combustion of organic compounds from structural features and calculation of power of high explosives, Rpt. C-58247 for the Office of the Chief of Ordnance, contract DA-19-020-ORD-47 by the Arthur D. Little, Inc., Cambridge, MA, 1956, 467-573. [all data]
Molnar, Rachford, et al., 1984
Molnar, A.; Rachford, R.; Smith, G.V.; Liu, R.,
Heats of hydrogenation by a simple and rapid flow calorimetric method,
Appl. Catal., 1984, 9, 219-223. [all data]
Dolliver, Gresham, et al., 1937
Dolliver, M.a.; Gresham, T.L.; Kistiakowsky, G.B.; Vaughan, W.E.,
Heats of organic reactions. V. Heats of hydrogenation of various hydrocarbons,
J. Am. Chem. Soc., 1937, 59, 831-841. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Clifford, Wenthold, et al., 1998
Clifford, E.P.; Wenthold, P.G.; Lineberger, W.C.; Ellison, G.B.; Wang, C.X.; Grabowski, J.J.; Vila, F.; Jordan,
Properties of Tetramethyleneethane (TME) as Revealed by Ion Chemistry and Ion Photoelectron Spectroscopy,
J. Chem. Soc. Perkin Trans., 1998, 2, 5, 1015, https://doi.org/10.1039/a707322d
. [all data]
Rogers, 1972
Rogers, F.E.,
Thermochemistry of the Diels-Alder reactions. II. Heat of addition of several dienes to tetracyanoethylene,
J. Phys. Chem., 1972, 76, 106-109. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas d(ln(kH))/d(1/T) Temperature dependence parameter for Henry's Law constant k°H Henry's Law constant at 298.15K ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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