2-Butene, (Z)-

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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
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow

Quantity Value Units Method Reference Comment
Δfgas-1.83 ± 0.30kcal/molCmProsen, Maron, et al., 1951ALS
Quantity Value Units Method Reference Comment
Δcgas-647.65 ± 0.29kcal/molCmProsen, Maron, et al., 1951Corresponding Δfgas = -1.81 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
10.7650.Thermodynamics Research Center, 1997p=1 bar. The difference between recommended values and obtained by [ Aston J.D., 1946] is inside the range of uncertainties of these two statistical calculations. The values of S and Cp calculated by [ Scott R.B., 1944] and [ Kilpatrick J.E., 1946] are little lower than recommended ones.; GT
12.24100.
13.25150.
14.75200.
17.90273.15
19.16298.15
19.25300.
24.553400.
29.551500.
33.917600.
37.682700.
40.935800.
43.752900.
46.2001000.
48.3221100.
50.1671200.
51.7661300.
53.1571400.
54.3691500.
56.7761750.
58.5212000.
59.8142250.
60.7862500.
61.5322750.
62.1103000.

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
16.92 ± 0.39250.Scott R.B., 1944Please also see Kistiakowsky G.B., 1940.; GT
16.99 ± 0.39255.
17.13 ± 0.39260.
17.27 ± 0.40265.
17.42 ± 0.40270.
17.65 ± 0.41275.
17.86 ± 0.41280.
18.13 ± 0.42285.
18.44 ± 0.42290.
18.75 ± 0.43295.
19.39 ± 0.038298.58
19.08 ± 0.44300.
21.09 ± 0.043332.85
23.01 ± 0.045371.24

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: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
liquid52.6cal/mol*KN/AChao, Hall, et al., 1983 
liquid52.560cal/mol*KN/AScott, Ferguson, et al., 1944 
liquid50.880cal/mol*KN/ATodd and Parks, 1936Extrapolation below 90 K, 48.95 J/mol*K.

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
30.4298.15Chao, Hall, et al., 1983T = 5 to 367 K.
31.071299.8Schlinger and Sage, 1952T = 80 to 200°F.
30.151298.15Scott, Ferguson, et al., 1944T = 15 to 300 K.
28.411266.6Todd and Parks, 1936T = 93 to 267 K. Value is unsmoothed experimental datum.

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
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
Tboil276.84 ± 0.08KAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus133.85KN/AKistiakowsky, Ruhoff, et al., 1935Uncertainty assigned by TRC = 0.5 K; TRC
Quantity Value Units Method Reference Comment
Ttriple134.26KN/AChao, Hall, et al., 1983, 2Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple134.26KN/AScott, Ferguson, et al., 1944Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple133.8KN/ATodd and Parks, 1936, 2Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Tc435.5 ± 0.1KN/ATsonopoulos and Ambrose, 1996 
Tc435.6KN/AMajer and Svoboda, 1985 
Tc435.55KN/AAmbrose, Cox, et al., 1960Uncertainty assigned by TRC = 0.3 K; Visual, PRT, IPTS-48; TRC
Quantity Value Units Method Reference Comment
Pc41.5 ± 0.5atmN/ATsonopoulos and Ambrose, 1996 
Quantity Value Units Method Reference Comment
Vc0.2338l/molN/ATsonopoulos and Ambrose, 1996 
Quantity Value Units Method Reference Comment
ρc4.28 ± 0.05mol/lN/ATsonopoulos and Ambrose, 1996 
Quantity Value Units Method Reference Comment
Δvap5.43kcal/molN/AMajer and Svoboda, 1985 
Δvap5.28kcal/molN/AReid, 1972AC

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
5.578276.9N/AMajer and Svoboda, 1985 
5.83275.AStephenson and Malanowski, 1987Based on data from 221. to 290. K.; AC
5.74291.AStephenson and Malanowski, 1987Based on data from 276. to 325. K.; AC
5.64339.AStephenson and Malanowski, 1987Based on data from 324. to 386. K.; AC
5.64398.AStephenson and Malanowski, 1987Based on data from 383. to 431. K.; AC
5.38246.CScott, Ferguson, et al., 1944, 2AC
5.370246.CScott, Ferguson, et al., 1944ALS
5.810276.73VKistiakowsky, Ruhoff, et al., 1935, 2At 355 °K; ALS
6.05252.N/AHopkins, 1921Based on data from 195. to 267. K. See also Boublik, Fried, et al., 1984.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kcal/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kcal/mol) β Tc (K) Reference Comment
246. to 292.8.6930.2696435.6Majer and Svoboda, 1985 

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (atm)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
203.06 to 295.913.98173957.06-36.504Scott, Ferguson, et al., 1944Coefficents calculated by NIST from author's data.

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
1.747134.26Chao, Hall, et al., 1983DH
1.7469134.26Scott, Ferguson, et al., 1944DH
1.75134.3Domalski and Hearing, 1996AC
1.749133.8Todd and Parks, 1936DH

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
13.0134.26Chao, Hall, et al., 1983DH
13.01134.26Scott, Ferguson, et al., 1944DH
13.07133.8Todd and Parks, 1936DH

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:


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

2-Butene, (Z)- = 2-Butene, (E)-

By formula: C4H8 = C4H8

Quantity Value Units Method Reference Comment
Δr-0.9 ± 0.5kcal/molAVGN/AAverage of 7 values; Individual data points

Hydrogen bromide + 2-Butene, (Z)- = Butane, 2-bromo-

By formula: HBr + C4H8 = C4H9Br

Quantity Value Units Method Reference Comment
Δr-18.42 ± 0.12kcal/molCmLacher, Billings, et al., 1952gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -18.3 ± 1.6 kcal/mol; Heat of Hydrobromination at 373 K

Hydrogen + 2-Butene, (Z)- = Butane

By formula: H2 + C4H8 = C4H10

Quantity Value Units Method Reference Comment
Δr-28.33 ± 0.10kcal/molChydKistiakowsky, Ruhoff, et al., 1935, 2gas phase; Reanalyzed by Cox and Pilcher, 1970, Original value = -28.570 ± 0.019 kcal/mol; At 355 °K

1-Butene = 2-Butene, (Z)-

By formula: C4H8 = C4H8

Quantity Value Units Method Reference Comment
Δr-2.54 ± 0.49kcal/molEqkHappel, Hnatow, et al., 1971gas phase
Δr-1.95kcal/molCisoLevanova and Andreevskii, 1964gas phase; At 420.3 K

2-Butene, (Z)- + Bromine = Erythro-2,3-dibromobutane

By formula: C4H8 + Br2 = C4H8Br2

Quantity Value Units Method Reference Comment
Δr-30.18 ± 0.20kcal/molCmConn, Kistiakowsky, et al., 1938gas phase; At 355 °K

Butane, 2-chloro- = 2-Butene, (Z)- + Hydrogen chloride

By formula: C4H9Cl = C4H8 + HCl

Quantity Value Units Method Reference Comment
Δr16.05kcal/molEqkLevanova and Andreevskii, 1964gas phase; At 420 K

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) = H exp(d(ln(kH))/d(1/T) ((1/T) - 1/(298.15 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)

H (mol/(kg*bar)) d(ln(kH))/d(1/T) (K) Method Reference Comment
0.0043 XN/AValue given here as quoted by missing citation.

Gas phase ion energetics data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, References, Notes

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

Data evaluated as indicated in comments:
L - Sharon G. Lias

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 C4H8+ (ion structure unspecified)

Quantity Value Units Method Reference Comment
IE (evaluated)9.11 ± 0.01eVN/AN/AL

Ionization energy determinations

IE (eV) Method Reference Comment
9.13PITraeger, 1986LBLHLM
9.13PITraeger, 1984LBLHLM
9.11 ± 0.02PIWood and Taylor, 1979LLK
9.108 ± 0.008EQLias and Ausloos, 1978LLK
9.12 ± 0.02PEBieri, Burger, et al., 1977LLK
9.124 ± 0.005PEMasclet, Grosjean, et al., 1973LLK
9.10EILossing, 1972LLK
9.07PEFrost and Sandhu, 1971LLK
9.119SMcDiarmid, 1969RDSH
9.12PEDewar and Worley, 1969RDSH
9.13 ± 0.01PIWatanabe, Nakayama, et al., 1962RDSH
9.13PIBralsford, Harris, et al., 1960RDSH
9.32 ± 0.01PEKrause, Taylor, et al., 1978Vertical value; LLK
9.20PEWiberg, Ellison, et al., 1976Vertical value; LLK
9.11 ± 0.03PEHeilbronner, Hoshi, et al., 1976Vertical value; LLK
9.36PEKimura, Katsumata, et al., 1975Vertical value; LLK
9.4PEWhite, Carlson, et al., 1974Vertical value; LLK
9.29PERobin, Taylor, et al., 1973Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C2H4+11.7 ± 0.25?EIMeisels, Park, et al., 1970RDSH
C2H5+12.25C2H3EIOmura, 1961RDSH
C3H3+13.75?EIOmura, 1961RDSH
C3H5+11.25CH3PITraeger, 1984LBLHLM
C3H5+11.33CH3EILossing, 1971LLK
C4H7+11.19HPITraeger, 1986LBLHLM
C4H7+11.32HEILossing, 1972LLK

IR Spectrum

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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: Coblentz Society, Inc.

Gas Phase Spectrum

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Notice: Except where noted, spectra from this collection were measured on dispersive instruments, often in carefully selected solvents, and hence may differ in detail from measurements on FTIR instruments or in other chemical environments. More information on the manner in which spectra in this collection were collected can be found here.

Notice: Concentration information is not available for this spectrum and, therefore, molar absorptivity values cannot be derived.

Additional Data

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Owner Copyright (C) 1987 by the Coblentz Society
Collection (C) 2018 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin DOW CHEMICAL COMPANY
Source reference COBLENTZ NO. 8864
Date 1964
Name(s) (2Z)-2-butene
State GAS (150 mmHg, N2 ADDED, TOTAL PRESSURE 600 mmHg)
Instrument DOW KBr FOREPRISM-GRATING
Instrument parameters GRATING CHANGED AT 5.0, 7.5, 15.0 MICRON
Path length 5 CM
Resolution 2
Sampling procedure TRANSMISSION
Data processing DIGITIZED BY COBLENTZ SOCIETY (BATCH II) FROM HARD COPY

This IR spectrum is from the Coblentz Society's evaluated infrared reference spectra collection.


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.
NIST MS number 18914

All mass spectra in this site (plus many more) are available from the NIST/EPA/NIH Mass Spectral Library. Please see the following for information about the library and its accompanying search program.


Gas Chromatography

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, 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 by: NIST Mass Spectrometry Data Center, William E. Wallace, director

Kovats' RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryBPX-530.426.Aflalaye, Sternberg, et al., 199512. m/0.15 mm/0.25 μm, H2
CapillaryCP Sil 5 CB20.425.Do and Raulin, 199225. m/0.15 mm/2. μm, H2
CapillarySqualane50.417.0Papazova, Milina, et al., 1988Column length: 50. m; Column diameter: 0.25 mm
CapillaryDB-140.425.Lubeck and Sutton, 198460. m/0.264 mm/0.25 μm, H2
CapillaryHP-PONA40.425.Lubeck and Sutton, 198450. m/0.21 mm/0.5 μm, H2
CapillaryOV-120.418.Nijs and Jacobs, 1981He; Column length: 150. m; Column diameter: 0.50 mm
CapillarySqualane50.416.5Bajus, Veselý, et al., 1979Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.416.5Bajus, Veselý, et al., 1979Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane50.416.3Bajus, Veselý, et al., 1979, 2Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.416.5Bajus, Veselý, et al., 1979, 2Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane50.416.85Pacáková and Koslík, 197850. m/0.2 mm/0.5 μm, N2
PackedSqualane80.417.Chrétien and Dubois, 1977 
CapillarySqualane50.417.Chretien and Dubois, 1976 
CapillarySqualane100.427.3Lulova, Leont'eva, et al., 1976He; Column length: 120. m; Column diameter: 0.25 mm
CapillarySqualane50.417.Rijks and Cramers, 1974N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane70.417.Rijks and Cramers, 1974N2; Column length: 100. m; Column diameter: 0.25 mm
CapillarySqualane40.411.Matukuma, 1969N2; Column length: 91.4 m; Column diameter: 0.25 mm
PackedSqualane27.416.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane49.417.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane67.417.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSqualane86.418.Hively and Hinton, 1968He, Chromosorb P; Column length: 15. m; Column diameter: 0.25 mm
PackedSE-3070.427.Widmer, 1967Diatoport S; Column length: 7.9 m
PackedSE-3070.427.Widmer, 1967Diatoport S; Column length: 7.9 m

Kovats' RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryPetrocol DH-100428.2Haagen-Smit Laboratory, 1997He; Column length: 100. m; Column diameter: 0.2 mm; Program: 5C(10min) => 5C/min => 50C(48min) => 1.5C/min => 195C(91min)

Kovats' RI, polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
PackedCarbowax 20M130.481.Widmer, 1967Diatoport P; Column length: 7.9 m
PackedCarbowax 20M70.468.Widmer, 1967Diatoport P; Column length: 7.9 m
PackedCarbowax 20M70.468.Widmer, 1967Diatoport P; Column length: 7.9 m

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryUltra-1420.Olson, Sinkevitch, et al., 19924. K/min; Tstart: -40. C; Tend: 230. C
CapillaryPetrocol DH416.44White, Douglas, et al., 1992100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C
CapillaryPetrocol DH418.18White, Douglas, et al., 1992100. m/0.25 mm/0.5 μm, He, 1. K/min; Tstart: 30. C; Tend: 220. C

Van Den Dool and Kratz RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryDB-5411.Zaikin and Borisov, 2002He; Column length: 30. m; Column diameter: 0.25 mm; Program: 30C => 5K/min=120C => 10C/min => 270C

Normal alkane RI, non-polar column, isothermal

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Column type Active phase Temperature (C) I Reference Comment
CapillaryOV-10140.417.Li and Deng, 1998N2; Column length: 51. m; Column diameter: 0.25 mm
CapillaryMethyl Silicone50.417.N/AN2; Column length: 74.6 m; Column diameter: 0.28 mm
PackedMethyl Silicone50.431.Huguet, 1961Nitrogen, Celite C-22; Column length: 2.5 m

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane: CP-Sil 5 CB422.Bramston-Cook, 201360. m/0.25 mm/1.0 μm, Helium, 45. C @ 1.45 min, 3.6 K/min, 210. C @ 2.72 min
CapillaryPetrocol DH426.Supelco, 2012100. m/0.25 mm/0.50 μm, Helium, 20. C @ 15. min, 15. K/min, 220. C @ 30. min
CapillaryPONA416.Zhang, Ding, et al., 200950. m/0.20 mm/0.50 μm, Nitrogen, 35. C @ 15. min, 2. K/min, 200. C @ 10. min
CapillaryOV-101420.Chupalov and Zenkevich, 1996N2, 3. K/min; Column length: 52. m; Column diameter: 0.26 mm; Tstart: 50. C; Tend: 220. C
CapillarySE-54416.Guan, Li, et al., 199560. C @ 2. min, 4. K/min; Column length: 50. m; Column diameter: 0.32 mm; Tend: 200. C
CapillaryDB-1416.Ciccioli, Cecinato, et al., 199260. m/0.32 mm/1.2 μm, He, 30. C @ 10. min, 3. K/min; Tend: 240. C

Normal alkane RI, non-polar column, custom temperature program

View large format table.

Column type Active phase I Reference Comment
CapillaryPolydimethyl siloxane417.Junkes, Castanho, et al., 2003Program: not specified
CapillaryPONA428.Perkin Elmer Instruments, 2002Column length: 100. m; Phase thickness: 0.50 μm; Program: not specified
CapillaryMethyl Silicone421.Spieksma, 1999Program: not specified
CapillaryPolydimethyl siloxanes420.Zenkevich, Chupalov, et al., 1996Program: not specified
PackedSE-30427.Robinson and Odell, 1971N2, Chromosorb W; Column length: 6.1 m; Program: 50C910min) => 20C/min => 90(6min) => 10C/min => 150C(hold)
PackedSqualane428.Robinson and Odell, 1971N2, Embacel; Column length: 3.0 m; Program: 25C(5min) => 2C/min => 35 => 4C/min => 95C(hold)

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Gas Chromatography, Notes

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

Prosen, Maron, et al., 1951
Prosen, E.J.; Maron, F.W.; Rossini, F.D., Heats of combustion, formation, and insomerization of ten C4 hydrocarbons, J. Res. NBS, 1951, 46, 106-112. [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]

Aston J.D., 1946
Aston J.D., Thermodynamic properties of gaseous 1,3-butadiene and normal butenes above 25 C. Equilibria in the system 1,3-butadiene, n-butenes, and n-butane, J. Chem. Phys., 1946, 14, 67-79. [all data]

Scott R.B., 1944
Scott R.B., Thermodynamic properties of cis-2-butene from 15 to 1500 K, J. Res. Nat. Bur. Stand., 1944, 33, 1-20. [all data]

Kilpatrick J.E., 1946
Kilpatrick J.E., Heat content, free energy function, entropy, and heat capacity of ethylene, propylene, and the four butenes to 1500 K, J. Res. Nat. Bur. Stand, 1946, 37, 163-171. [all data]

Kistiakowsky G.B., 1940
Kistiakowsky G.B., Gaseous heat capacities. III, J. Chem. Phys., 1940, 8, 618-622. [all data]

Chao, Hall, et al., 1983
Chao, J.; Hall, K.R.; Yao, J.M., Thermodynamic properties of simple alkenes, Thermochim. Acta, 1983, 64(3), 285-303. [all data]

Scott, Ferguson, et al., 1944
Scott, R.B.; Ferguson, W.J.; Brickwedde, F.G., Thermodynamic properties of cis-2-butene from 15° to 1,500 K, J. Res. NBS, 1944, 33, 1-20. [all data]

Todd and Parks, 1936
Todd, S.S.; Parks, G.S., Thermal data on organic compounds. XV. Some heat capacity, entropy and free energy data for the isomeric butenes, J. Am. Chem. Soc., 1936, 58, 134-137. [all data]

Schlinger and Sage, 1952
Schlinger, W.G.; Sage, B.H., Isobaric heat capacities at bubble point. cis-2-butene, isopropylbenzene, and n-decane, Ind. Eng. Chem., 1952, 44, 2454-2456. [all data]

Kistiakowsky, Ruhoff, et al., 1935
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Notes

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