1-Butene, 3,3-dimethyl-
- Formula: C6H12
- Molecular weight: 84.1595
- IUPAC Standard InChIKey: PKXHXOTZMFCXSH-UHFFFAOYSA-N
- CAS Registry Number: 558-37-2
- 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: tert-Butylethene; tert-Butylethylene; tert-Hexene; Neohexene; Trimethylvinylmethane; 2,2-Dimethyl-3-butene; 3,3-Dimethyl-1-butene; 3,3-Dimethylbutene; (CH3)3CCH=CH2; 3,3-Dimethylbut-1-ene; NSC 74119
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Phase change data
Go To: Top, IR Spectrum, 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
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 314.4 ± 0.3 | K | AVG | N/A | Average of 22 out of 23 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 157.880 | K | N/A | Streiff, 1964 | Uncertainty assigned by TRC = 0.07 K; TRC |
Tfus | 157.92 | K | N/A | Streiff, 1964 | Uncertainty assigned by TRC = 0.05 K; TRC |
Tfus | 158.08 | K | N/A | Boord, Henne, et al., 1949 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tfus | 157.91 | K | N/A | Boord, Greenlee, et al., 1946 | Uncertainty assigned by TRC = 0.4 K; TRC |
Tfus | 157.62 | K | N/A | Brooks, Howard, et al., 1940 | Uncertainty assigned by TRC = 0.06 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 158.4 | K | N/A | Kennedy, Shomate, et al., 1938 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 6.36 | kcal/mol | N/A | Reid, 1972 | AC |
ΔvapH° | 6.55 | kcal/mol | N/A | Fried, Baghdoyan, et al., 1971 | Based on data from 264. to 314. K.; AC |
ΔvapH° | 6.36 | kcal/mol | V | Camin and Rossini, 1956 | ALS |
ΔvapH° | 6.36 | kcal/mol | N/A | Camin and Rossini, 1956, 2 | Based on data from 281. to 315. K.; AC |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.84 | 269. | A | Stephenson and Malanowski, 1987 | Based on data from 254. to 316. K.; AC |
Antoine Equation Parameters
log10(P) = A − (B / (T + C))
P = vapor pressure (atm)
T = temperature (K)
View plot Requires a JavaScript / HTML 5 canvas capable browser.
Temperature (K) | A | B | C | Reference | Comment |
---|---|---|---|---|---|
263.69 to 314.66 | 3.89695 | 1062.207 | -41.84 | Baghdoyan, Malik, et al., 1971 | Coefficents calculated by NIST from author's data. |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
0.261 | 158.4 | Domalski and Hearing, 1996 | AC |
Enthalpy of phase transition
ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
1.039 | 124.9 | crystaline, II | crystaline, I | Kennedy, Shomate, et al., 1938, 2 | DH |
0.2620 | 158.4 | crystaline, II | liquid | Kennedy, Shomate, et al., 1938, 2 | DH |
Entropy of phase transition
ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
---|---|---|---|---|---|
8.317 | 124.9 | crystaline, II | crystaline, I | Kennedy, Shomate, et al., 1938, 2 | DH |
1.65 | 158.4 | crystaline, II | liquid | Kennedy, Shomate, et al., 1938, 2 | DH |
IR Spectrum
Go To: Top, Phase change data, Mass spectrum (electron ionization), References, Notes
Data compiled by: Coblentz Society, Inc.
Data compiled by: NIST Mass Spectrometry Data Center, William E. Wallace, director
Mass spectrum (electron ionization)
Go To: Top, Phase change data, IR Spectrum, References, Notes
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
Notice: This spectrum may be better viewed with a Javascript and HTML 5 enabled browser.
Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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 | Japan AIST/NIMC Database- Spectrum MS-NW-3189 |
NIST MS number | 227595 |
References
Go To: Top, Phase change data, IR Spectrum, 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.
Streiff, 1964
Streiff, A.J.,
, Am. Pet. Inst. Res. Proj. 58B Unpublished, 1964. [all data]
Boord, Henne, et al., 1949
Boord, C.E.; Henne, A.L.; Greenlee, K.W.; Perilstein, W.L.; Derfer, J.M.,
The Grignard Reagent in hydrocarbon synthesis,
Ind. Eng. Chem., 1949, 41, 609. [all data]
Boord, Greenlee, et al., 1946
Boord, C.E.; Greenlee, K.W.; Perilstein, W.L.,
The Synthesis, Purification and Prop. of Hydrocarbons of Low Mol. Weight, Am. Pet. Inst. Res. Proj. 45, Eighth Annu. Rep., Ohio State Univ., June 30, 1946. [all data]
Brooks, Howard, et al., 1940
Brooks, D.B.; Howard, F.L.; Crafton, H.C.,
Physical Properties of Some Purified Aliphatic Hydrocarbons,
J. Res. Natl. Bur. Stand. (U. S.), 1940, 24, 33. [all data]
Kennedy, Shomate, et al., 1938
Kennedy, W.D.; Shomate, C.H.; Parks, G.S.,
Thermal data on organic compounds: xviii the heat capacity and entropy of t-butylethylene,
J. Am. Chem. Soc., 1938, 60, 1507-9. [all data]
Reid, 1972
Reid, Robert C.,
Handbook on vapor pressure and heats of vaporization of hydrocarbons and related compounds, R. C. Wilhort and B. J. Zwolinski, Texas A Research Foundation. College Station, Texas(1971). 329 pages.$10.00,
AIChE J., 1972, 18, 6, 1278-1278, https://doi.org/10.1002/aic.690180637
. [all data]
Fried, Baghdoyan, et al., 1971
Fried, Vojtech.; Baghdoyan, Armen.; Malik, Jana.,
Vapor pressures and densities of 2,3-dimethyl-2-butene and 3,3-dimethyl-1-butene,
J. Chem. Eng. Data, 1971, 16, 1, 96-97, https://doi.org/10.1021/je60048a009
. [all data]
Camin and Rossini, 1956
Camin, D.L.; Rossini, F.D.,
Physical properties of the 17 isomeric hexenes of the API research series,
J. Phys. Chem., 1956, 60, 1446. [all data]
Camin and Rossini, 1956, 2
Camin, David L.; Rossini, Frederick D.,
Physical Properties of the 17 Isomeric Hexenes.of the API Research Series,
J. Phys. Chem., 1956, 60, 10, 1446-1451, https://doi.org/10.1021/j150544a029
. [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]
Baghdoyan, Malik, et al., 1971
Baghdoyan, A.; Malik, J.; Fried, V.,
Vapor Pressures and Densities of 2,3-Dimethyl-2-butene and 3,3-Dimethyl-1-butene,
J. Chem. Eng. Data, 1971, 16, 1, 96-97, https://doi.org/10.1021/je60048a009
. [all data]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Kennedy, Shomate, et al., 1938, 2
Kennedy, Wm.D.; Shomate, C.H.; Parks, G.P.,
Thermal data on organic compounds. XVIII. The heat capacity of and entropy of t-butylethylene,
J. Am. Chem. Soc., 1938, 60, 1507-1509. [all data]
Notes
Go To: Top, Phase change data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tboil Boiling point Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition ΔfusH Enthalpy of fusion ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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