Heptane

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Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, 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:
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
Δfgas-44.89 ± 0.19kcal/molCcbProsen and Rossini, 1945ALS
Δfgas-45.24kcal/molN/ADavies and Gilbert, 1941Value computed using ΔfHliquid° value of -225.9±1.3 kj/mol from Davies and Gilbert, 1941 and ΔvapH° value of 36.6 kj/mol from Prosen and Rossini, 1945.; DRB

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
30.509200.Scott D.W., 1974Recommended values were obtained from the consistent correlation scheme for alkanes [ Scott D.W., 1974, 2, Scott D.W., 1974]. This approach gives a better agreement with experimental data than the statistical thermodynamics calculation [ Pitzer K.S., 1944, Pitzer K.S., 1946].; GT
36.960273.15
39.48 ± 0.07298.15
39.670300.
50.349400.
60.251500.
68.700600.
75.801700.
81.800800.
86.900900.
91.2001000.
94.9001100.
98.1001200.
101.001300.
104.001400.
106.001500.

Constant pressure heat capacity of gas

Cp,gas (cal/mol*K) Temperature (K) Reference Comment
45.770 ± 0.045357.10Waddington G., 1947GT
47.510 ± 0.048373.15
50.370 ± 0.050400.40
53.850 ± 0.055434.35
57.000 ± 0.057466.10

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, 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:
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
Δfliquid-53.63 ± 0.19kcal/molCcbProsen and Rossini, 1945ALS
Δfliquid-53.99 ± 0.30kcal/molCcbDavies and Gilbert, 1941ALS
Quantity Value Units Method Reference Comment
Δcliquid-1151. ± 2.kcal/molAVGN/AAverage of 7 values; Individual data points
Quantity Value Units Method Reference Comment
liquid78.530cal/mol*KN/AHuffman, Gross, et al., 1961DH
liquid78.389cal/mol*KN/ADouglas, Furukawa, et al., 1954DH
liquid78.599cal/mol*KN/APitzer K.S., 1940DH
liquid78.90cal/mol*KN/AHuffman, Parks, et al., 1930Extrapolation below 90 K, 71.00 J/mol*K. Based on previously published specific heat data, 30PAR/HUF.; DH
liquid78.01cal/mol*KN/AParks, Huffman, et al., 1930Extrapolation below 90 K, 71.00 J/mol*K.; DH

Constant pressure heat capacity of liquid

Cp,liquid (cal/mol*K) Temperature (K) Reference Comment
53.690298.15Andreoli-Ball, Patterson, et al., 1988DH
53.709298.15Saito and Tanaka, 1988DH
53.712298.15Shiohama, Ogawa, et al., 1988DH
53.270293.15Kalali, Kohler, et al., 1987T = 293.15, 313.15 K.; DH
53.7096298.15Tanaka, 1987DH
53.810300.Van Miltenburg, Van den Berg, et al., 1987T = 10 to 350 K.; DH
53.707298.15Wilhelm, Inglese, et al., 1987DH
53.7239298.15Baluja, Bravo, et al., 1985DH
53.7239298.15Lainez, Rodrigo, et al., 1985DH
53.7120298.15Tanaka, Nakamichi, et al., 1985DH
53.707298.15Grolier, Inglese, et al., 1984DH
53.724298.15Roux, Grolier, et al., 1984DH
53.7199298.15Kimura, Treszczanowicz, et al., 1983DH
53.855300.Tan, Zhou, et al., 1983T = 220 to 380 K.; DH
53.73298.15Tanaka, 1982DH
53.54298.Zaripov, 1982T = 298, 323, 363 K.; DH
53.702298.15Grolier, Inglese, et al., 1981DH
53.685297.860Kalinowska, Jedlinska, et al., 1980T = 185 to 300 K. Unsmoothed experimental datum.; DH
53.695298.15Brown and Ziegler, 1979T = 183 to 302 K. Results as equation only.; DH
53.92300.Czarnota, 1979DH
53.68298.15Grolier, Hamedi, et al., 1979DH
52.581285.Schaake, Offringa, et al., 1979T = 90 to 285 K.; DH
54.13333.15Woycicka and Kalinowska, 1978DH
60.95298.15Meijer, Blok, et al., 1977T = 160 to 350 K.; DH
53.7063298.15Fortier and Benson, 1976DH
53.39298.Grigor'ev, Rastorguev, et al., 1975T = 300 to 463 K.; DH
53.583298.15Holzhauer and Ziegler, 1975T = 182 to 312 K. Cp = 866.18820 - 9.9628490T + 0.054561085T2 - 0.00013079634T3 + 1.1957392x10-7T4 J/mol*K.; DH
54.142303.15Woycicka and Kalinowska, 1975DH
53.85298.15Diaz pena and Renuncio, 1974T = 298 to 323 K.; DH
54.142298.15Kalinowska and Woycicka, 1973DH
50.10250.Van Miltenburg, 1972T = 130 to 263 K.; DH
78.540298.15Oetting F.L., 1963DH
53.760298.15Huffman, Gross, et al., 1961T = 10 to 300 K.; DH
53.760298.15McCullough and Messerly, 1961T = 10 to 370 K. Csat(liq) = 56.582 - 0.14490T + 5.7813x10-4T2 - 4.1667x10-7T3 cal/mol*K.; DH
59.11332.Swietoslawski and Zielenkiewicz, 1958Mean value 22 to 96 C.; DH
55.719299.8Helfrey, Heiser, et al., 1955T = 70 to 220 F.; DH
53.714298.15Douglas, Furukawa, et al., 1954T = 20 to 520 K.; DH
53.714298.15Ginnings and Furukawa, 1953T = 25 to 520 K.; DH
53.740298.15Osborne and Ginnings, 1947T = 278 to 318 K.; DH
53.681296.5Pitzer K.S., 1940T = 15 to 318 K. Value is unsmoothed experimental datum.; DH
50.50298.Bykov, 1939DH
50.41300.8Phillip, 1939DH
53.30298.Vold, 1937Cp given as 0.532 cal/g*K.; DH
53.61298.1Richards and Wallace, 1932T = 293 to 323 K.; DH
53.11299.2Parks, Huffman, et al., 1930T = 90 to 300 K. Value is unsmoothed experimental datum.; DH
51.86303.Willams and Daniels, 1924T = 303 to 350 K. Equation only.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, Henry's Law data, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
BS - Robert L. Brown and Stephen E. Stein
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
Tboil371.5 ± 0.3KAVGN/AAverage of 215 out of 227 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus182.6 ± 0.4KAVGN/AAverage of 51 out of 52 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple182.56 ± 0.03KAVGN/AAverage of 26 out of 31 values; Individual data points
Quantity Value Units Method Reference Comment
Tc540. ± 2.KAVGN/AAverage of 27 values; Individual data points
Quantity Value Units Method Reference Comment
Pc27.0 ± 0.3atmAVGN/AAverage of 18 out of 19 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.428l/molN/AAmbrose and Tsonopoulos, 1995 
Vc0.425l/molN/AZawisza and Vejrosta, 1982Uncertainty assigned by TRC = 0.001 l/mol; Visual; TRC
Quantity Value Units Method Reference Comment
ρc2.35 ± 0.07mol/lAVGN/AAverage of 12 values; Individual data points
Quantity Value Units Method Reference Comment
Δvap8.6 ± 0.8kcal/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

ΔvapH (kcal/mol) Temperature (K) Method Reference Comment
7.593371.6N/AMajer and Svoboda, 1985 
8.29345.N/ASegura, Wisniak, et al., 2002Based on data from 330. to 371. K.; AC
8.41343.N/AOrtega, González, et al., 2001Based on data from 328. to 393. K.; AC
8.63312.AStephenson and Malanowski, 1987Based on data from 297. to 375. K. See also Forziati, Norris, et al., 1949.; AC
8.63313.N/AMichou-Saucet, Jose, et al., 1984Based on data from 298. to 338. K.; AC
8.63313.N/ASipowska and Wieczorek, 1984Based on data from 298. to 363. K.; AC
8.51 ± 0.02313.CMajer, Svoboda, et al., 1979AC
8.22 ± 0.02333.CMajer, Svoboda, et al., 1979AC
7.91 ± 0.02353.CMajer, Svoboda, et al., 1979AC
8.70303.N/AVan Ness, Soczek, et al., 1967Based on data from 288. to 348. K.; AC
8.25 ± 0.02331.CWaddington, Todd, et al., 1947AC
7.93 ± 0.02350.CWaddington, Todd, et al., 1947AC
8.46328.N/AThomson, 1946Based on data from 313. to 398. K.; AC
8.60314.MMWillingham, Taylor, et al., 1945Based on data from 299. to 372. K.; AC
7.65371.CPitzer K.S., 1940AC
8.48325.EBSmith, 1940Based on data from 310. to 397. K.; 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
298. to 363.12.830.2831540.2Majer 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
185.29 to 295.604.812321635.409-27.338Carruth and Kobayashi, 1973Coefficents calculated by NIST from author's data.
299.07 to 372.434.022611268.636-56.199Williamham, Taylor, et al., 1945 

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
13.8183.BBondi, 1963AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Reference Comment
3.3437182.57Van Miltenburg, Van den Berg, et al., 1987DH
3.3587182.59Schaake, Offringa, et al., 1979DH
3.3549182.55Huffman, Gross, et al., 1961DH
3.3549182.55McCullough and Messerly, 1961DH
3.3513182.56Douglas, Furukawa, et al., 1954DH
3.3513182.56Ginnings and Furukawa, 1953DH
3.35581182.52Pitzer K.S., 1940DH
3.3602182.7Meijer, Blok, et al., 1977DH
3.3607182.56Van Miltenburg, 1972DH
3.35339182.56Oetting F.L., 1963DH
3.356182.6Domalski and Hearing, 1996AC
3.3850182.2Huffman, Parks, et al., 1930DH
3.3850182.2Parks, Huffman, et al., 1930DH

Entropy of fusion

ΔfusS (cal/mol*K) Temperature (K) Reference Comment
18.39182.59Schaake, Offringa, et al., 1979DH
18.38182.55Huffman, Gross, et al., 1961DH
18.38182.55McCullough and Messerly, 1961DH
18.84182.56Douglas, Furukawa, et al., 1954DH
18.36182.56Ginnings and Furukawa, 1953DH
18.39182.52Pitzer K.S., 1940DH
18.4182.7Meijer, Blok, et al., 1977DH
18.41182.56Van Miltenburg, 1972DH
18.36182.56Oetting F.L., 1963DH
18.58182.2Huffman, Parks, et al., 1930DH
18.58182.2Parks, Huffman, et al., 1930DH

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
182.586crystaline, IliquidHolzhauer and Ziegler, 1975DH

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Reaction thermochemistry data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Henry's Law data, 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:
MS - José A. Martinho Simões
ALS - 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

Manganese, tricarbonyl(η5-2,4-cyclopentadien-1-yl)- (solution) + Heptane (solution) = C14H21MnO2 (solution) + Carbon monoxide (solution)

By formula: C8H5MnO3 (solution) + C7H16 (solution) = C14H21MnO2 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr47. ± 2.kcal/molAVGN/AAverage of 18 values; Individual data points

Chromium hexacarbonyl (solution) + Heptane (solution) = C12H16CrO5 (solution) + Carbon monoxide (solution)

By formula: C6CrO6 (solution) + C7H16 (solution) = C12H16CrO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr27.1 ± 0.8kcal/molAVGN/AAverage of 13 values; Individual data points

C12H16CrO5 (solution) = Heptane (solution) + C5CrO5 (solution)

By formula: C12H16CrO5 (solution) = C7H16 (solution) + C5CrO5 (solution)

Quantity Value Units Method Reference Comment
Δr9.61kcal/molN/AMorse, Parker, et al., 1989solvent: Heptane; The reaction enthalpy was derived by using the LPHP value for the enthalpy of cleavage of Cr-CO bond in Cr(CO)6, 36.81 kcal/mol Lewis, Golden, et al., 1984, toghether with a PAC value for the reaction Cr(CO)6(solution) + n-C7H16(solution) = Cr(CO)5(n-C7H16)(solution) + CO(solution), 27.20 kcal/mol Morse, Parker, et al., 1989; MS
Δr9.8kcal/molN/AYang, Vaida, et al., 1988solvent: Heptane; The reaction enthalpy was derived by using the LPHP value for the enthalpy of cleavage of Cr-CO bond in Cr(CO)6, 36.81 kcal/mol Lewis, Golden, et al., 1984, toghether with a PAC value for the reaction Cr(CO)6(solution) + n-C7H16(solution) = Cr(CO)5(n-C7H16)(solution) + CO(solution), 26.98 kcal/mol Yang, Peters, et al., 1986; MS

Hydrogen + 1-Heptene = Heptane

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Δr-29.8 ± 0.5kcal/molAVGN/AAverage of 6 values; Individual data points

C12H16MoO5 (solution) = C5MoO5 (solution) + Heptane (solution)

By formula: C12H16MoO5 (solution) = C5MoO5 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr8.70kcal/molN/AMorse, Parker, et al., 1989solvent: Heptane; The reaction enthalpy was derived by using the LPHP value for the enthalpy of cleavage of Mo-CO bond in Mo(CO)6, 40.51 kcal/mol Lewis, Golden, et al., 1984, toghether with a PAC value for the reaction Mo(CO)6(solution) + n-C7H16(solution) = Mo(CO)5(n-C7H16)(solution) + CO(solution), 31.81 kcal/mol Morse, Parker, et al., 1989; MS

C12H16O5W (solution) = C5O5W (solution) + Heptane (solution)

By formula: C12H16O5W (solution) = C5O5W (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr13.4kcal/molN/AMorse, Parker, et al., 1989solvent: Heptane; The reaction enthalpy was derived by using the LPHP value for the enthalpy of cleavage of W-CO bond in W(CO)6, 46.01 kcal/mol Lewis, Golden, et al., 1984, toghether with a PAC value for the reaction W(CO)6(solution) + n-C7H16(solution) = W(CO)5(n-C7H16)(solution) + CO(solution), 32.60 kcal/mol Morse, Parker, et al., 1989; MS

Molybdenum hexacarbonyl (solution) + Heptane (solution) = C12H16MoO5 (solution) + Carbon monoxide (solution)

By formula: C6MoO6 (solution) + C7H16 (solution) = C12H16MoO5 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr32.3 ± 2.9kcal/molPACJohnson, Popov, et al., 1991solvent: Heptane; The reaction enthalpy relies on 0.67 for the quantum yield of CO dissociation.; MS
Δr31.8 ± 1.3kcal/molPACMorse, Parker, et al., 1989solvent: Heptane; The reaction enthalpy relies on 0.67 for the quantum yield of CO dissociation; MS

Hydrogen + (Z)-3-Heptene = Heptane

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Δr-28.32 ± 0.07kcal/molChydRogers and Dejroongruang, 1988liquid phase; solvent: Hydrocarbone; ALS
Δr-28.01 ± 0.68kcal/molChydRogers and Siddiqui, 1975liquid phase; solvent: n-Hexane; ALS

Heptane = Pentane, 3-ethyl-

By formula: C7H16 = C7H16

Quantity Value Units Method Reference Comment
Δr-0.14 ± 0.23kcal/molCcbProsen and Rossini, 1941liquid phase; Heat of Isomerization; ALS
Δr-0.52 ± 0.27kcal/molCcbProsen and Rossini, 1941gas phase; Heat of Isomerization; ALS

Heptane = Pentane, 2,2-dimethyl-

By formula: C7H16 = C7H16

Quantity Value Units Method Reference Comment
Δr-3.42 ± 0.28kcal/molCcbProsen and Rossini, 1941liquid phase; Heat of Isomerization; ALS
Δr-4.45 ± 0.32kcal/molCcbProsen and Rossini, 1941gas phase; Heat of Isomerization; ALS

Heptane = Pentane, 2,3-dimethyl-

By formula: C7H16 = C7H16

Quantity Value Units Method Reference Comment
Δr-2.18 ± 0.26kcal/molCcbProsen and Rossini, 1941liquid phase; Heat of Isomerization; ALS
Δr-2.80 ± 0.30kcal/molCcbProsen and Rossini, 1941gas phase; Heat of Isomerization; ALS

Heptane = Pentane, 2,4-dimethyl-

By formula: C7H16 = C7H16

Quantity Value Units Method Reference Comment
Δr-2.54 ± 0.16kcal/molCcbProsen and Rossini, 1941liquid phase; Heat of Isomerization; ALS
Δr-3.40 ± 0.22kcal/molCcbProsen and Rossini, 1941gas phase; Heat of Isomerization; ALS

Heptane = Pentane, 3,3-dimethyl-

By formula: C7H16 = C7H16

Quantity Value Units Method Reference Comment
Δr-2.44 ± 0.15kcal/molCcbProsen and Rossini, 1941liquid phase; Heat of Isomerization; ALS
Δr-3.24 ± 0.21kcal/molCcbProsen and Rossini, 1941gas phase; Heat of Isomerization; ALS

Heptane = Butane, 2,2,3-trimethyl-

By formula: C7H16 = C7H16

Quantity Value Units Method Reference Comment
Δr-3.00 ± 0.22kcal/molCcbProsen and Rossini, 1941liquid phase; Heat of Isomerization; ALS
Δr-4.17 ± 0.27kcal/molCcbProsen and Rossini, 1941gas phase; Heat of Isomerization; ALS

Tungsten hexacarbonyl (solution) + Heptane (solution) = C12H16O5W (solution) + Carbon monoxide (solution)

By formula: C6O6W (solution) + C7H16 (solution) = C12H16O5W (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr32.60 ± 0.41kcal/molPACMorse, Parker, et al., 1989solvent: Heptane; The reaction enthalpy relies on 0.72 for the quantum yield of CO dissociation; MS

Benzenechromiumtricarbonyl (solution) + Heptane (solution) = C15H22CrO2 (solution) + Carbon monoxide (solution)

By formula: C9H6CrO3 (solution) + C7H16 (solution) = C15H22CrO2 (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr32.79 ± 0.31kcal/molPACBurkey, 1990solvent: Heptane; The reaction enthalpy relies on 0.72 for the quantum yield of CO dissociation; MS

Vanadium, tetracarbonyl(η5-2,4-cyclopentadien-1-yl)- (solution) + Heptane (solution) = C15H21O3V (solution) + Carbon monoxide (solution)

By formula: C9H5O4V (solution) + C7H16 (solution) = C15H21O3V (solution) + CO (solution)

Quantity Value Units Method Reference Comment
Δr25.6 ± 3.1kcal/molPACJohnson, Popov, et al., 1991solvent: Heptane; The reaction enthalpy relies on 0.80 for the quantum yield of CO dissociation.; MS

C12H16CrO5 (solution) + 1,3-Diazine (solution) = Heptane (solution) + C10H5CrNO5 (solution)

By formula: C12H16CrO5 (solution) + C4H4N2 (solution) = C7H16 (solution) + C10H5CrNO5 (solution)

Quantity Value Units Method Reference Comment
Δr-20.1 ± 0.41kcal/molPACYang, Vaida, et al., 1988solvent: Heptane; MS

Hydrogen + 2-Heptene, (E)- = Heptane

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Δr-27.3 ± 0.1kcal/molChydRogers and Dejroongruang, 1988liquid phase; solvent: Hydrocarbone; ALS

Hydrogen + 3-Heptene, (E)- = Heptane

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Δr-27.41 ± 0.07kcal/molChydRogers and Dejroongruang, 1988liquid phase; solvent: Hydrocarbone; ALS

C14H21MnO2 (solution) + Tetrahydrofuran (solution) = C11H13MnO3 (solution) + Heptane (solution)

By formula: C14H21MnO2 (solution) + C4H8O (solution) = C11H13MnO3 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-16.1 ± 1.4kcal/molPACKlassen, Selke, et al., 1990solvent: Heptane; MS

Hydrogen + (Z)-2-Heptene = Heptane

By formula: H2 + C7H14 = C7H16

Quantity Value Units Method Reference Comment
Δr-27.63 ± 0.1kcal/molChydRogers and Dejroongruang, 1988liquid phase; solvent: Hydrocarbone; ALS

C12H16CrO5 (solution) + Tetrahydrofuran (solution) = C9H8CrO6 (solution) + Heptane (solution)

By formula: C12H16CrO5 (solution) + C4H8O (solution) = C9H8CrO6 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-12.4 ± 1.2kcal/molPACYang, Peters, et al., 1986solvent: Heptane; MS

C12H16CrO5 (solution) + Acetone (solution) = Heptane (solution) + C8H6CrO6 (solution)

By formula: C12H16CrO5 (solution) + C3H6O (solution) = C7H16 (solution) + C8H6CrO6 (solution)

Quantity Value Units Method Reference Comment
Δr-13.5 ± 1.2kcal/molPACYang, Peters, et al., 1986solvent: Heptane; MS

C12H16CrO5 (solution) + Tributylamine (solution) = C17H27CrNO5 (solution) + Heptane (solution)

By formula: C12H16CrO5 (solution) + C12H27N (solution) = C17H27CrNO5 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-12.2 ± 1.2kcal/molPACYang, Peters, et al., 1986solvent: Heptane; MS

C12H16CrO5 (solution) + 1-Hexene (solution) = C11H12CrO5 (solution) + Heptane (solution)

By formula: C12H16CrO5 (solution) + C6H12 (solution) = C11H12CrO5 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-12.2 ± 1.2kcal/molPACYang, Peters, et al., 1986solvent: Heptane; MS

C14H21MnO2 (solution) + Acetone (solution) = C10H11MnO3 (solution) + Heptane (solution)

By formula: C14H21MnO2 (solution) + C3H6O (solution) = C10H11MnO3 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-17.4 ± 1.0kcal/molPACKlassen, Selke, et al., 1990solvent: Heptane; MS

C14H21MnO2 (solution) + Methylene chloride (solution) = C8H7Cl2MnO2 (solution) + Heptane (solution)

By formula: C14H21MnO2 (solution) + CH2Cl2 (solution) = C8H7Cl2MnO2 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-9.0 ± 1.0kcal/molPACYang and Yang, 1992solvent: Heptane; MS

C14H21MnO2 (solution) + Methane, dibromo- (solution) = C8H7Br2MnO2 (solution) + Heptane (solution)

By formula: C14H21MnO2 (solution) + CH2Br2 (solution) = C8H7Br2MnO2 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-12.2 ± 1.2kcal/molPACYang and Yang, 1992solvent: Heptane; MS

C12H16CrO5 (solution) + Ethanol (solution) = C7H5CrO6 (solution) + Heptane (solution)

By formula: C12H16CrO5 (solution) + C2H6O (solution) = C7H5CrO6 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-13.8 ± 1.2kcal/molPACYang, Peters, et al., 1986solvent: Heptane; MS

C12H16CrO5 (solution) + Acetonitrile (solution) = C8H6CrNO5 (solution) + Heptane (solution)

By formula: C12H16CrO5 (solution) + C2H3N (solution) = C8H6CrNO5 (solution) + C7H16 (solution)

Quantity Value Units Method Reference Comment
Δr-18.2 ± 1.2kcal/molPACYang, Peters, et al., 1986solvent: Heptane; MS

2-Heptyne + 2Hydrogen = Heptane

By formula: C7H12 + 2H2 = C7H16

Quantity Value Units Method Reference Comment
Δr-65.11 ± 0.31kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane; ALS

2Hydrogen + 3-Heptyne = Heptane

By formula: 2H2 + C7H12 = C7H16

Quantity Value Units Method Reference Comment
Δr-64.63 ± 0.36kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane; ALS

2Hydrogen + 1-Heptyne = Heptane

By formula: 2H2 + C7H12 = C7H16

Quantity Value Units Method Reference Comment
Δr-69.65 ± 0.39kcal/molChydRogers, Dagdagan, et al., 1979liquid phase; solvent: Hexane; ALS

Henry's Law data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, 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: 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
0.00123700.LN/A 
0.00123700.XN/A 
0.00037 QN/A missing citation give several references for the Henry's law constants but don't assign them to specific species.
0.00044 LN/A 
0.00049 VN/A 

References

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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.

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Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Henry's Law data, References