Cyclopentane, methyl-
- Formula: C6H12
- Molecular weight: 84.1595
- IUPAC Standard InChIKey: GDOPTJXRTPNYNR-UHFFFAOYSA-N
- CAS Registry Number: 96-37-7
- 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: Methylcyclopentane; UN 2298
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Gas phase thermochemistry data
Go To: Top, 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 as indicated in comments:
DRB - Donald R. Burgess, Jr.
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 |
---|---|---|---|---|---|
ΔfH°gas | -25.33 | kcal/mol | N/A | Good and Smith, 1969 | Value computed using ΔfHliquid° value of -137.7±0.7 kj/mol from Good and Smith, 1969 and ΔvapH° value of 31.7 kj/mol from Prosen, Johnson, et al., 1946.; DRB |
ΔfH°gas | -25.50 ± 0.20 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | ALS |
ΔfH°gas | -25.84 | kcal/mol | N/A | Moore, Renquist, et al., 1940 | Value computed using ΔfHliquid° value of -139.8±1.7 kj/mol from Moore, Renquist, et al., 1940 and ΔvapH° value of 31.7 kj/mol from Prosen, Johnson, et al., 1946.; DRB |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
10.35 | 50. | Thermodynamics Research Center, 1997 | p=1 bar. Selected values of S(T) and Cp(T) are in close agreement with those calculated by [ Scott D.W., 1960] at low temperatures. Discrepancies increase up to 1.8 J/mol*K at 1000-1500 K.; GT |
12.67 | 100. | ||
14.97 | 150. | ||
17.87 | 200. | ||
23.81 | 273.15 | ||
26.17 | 298.15 | ||
26.36 | 300. | ||
36.21 | 400. | ||
45.15 | 500. | ||
52.65 | 600. | ||
58.94 | 700. | ||
64.20 | 800. | ||
68.69 | 900. | ||
72.51 | 1000. | ||
75.79 | 1100. | ||
78.61 | 1200. | ||
81.02 | 1300. | ||
83.13 | 1400. | ||
84.94 | 1500. | ||
88.53 | 1750. | ||
91.09 | 2000. | ||
93.00 | 2250. | ||
94.43 | 2500. | ||
95.53 | 2750. | ||
96.39 | 3000. |
Constant pressure heat capacity of gas
Cp,gas (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
29.694 ± 0.060 | 333.20 | McCullough J.P., 1959 | GT |
32.555 ± 0.065 | 362.55 | ||
36.365 ± 0.072 | 402.35 | ||
39.486 ± 0.079 | 436.25 | ||
42.584 ± 0.086 | 471.05 |
Condensed phase thermochemistry data
Go To: Top, Gas 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 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 |
---|---|---|---|---|---|
ΔfH°liquid | -32.92 ± 0.17 | kcal/mol | Ccb | Good and Smith, 1969 | ALS |
ΔfH°liquid | -33.08 ± 0.20 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | ALS |
ΔfH°liquid | -33.42 ± 0.41 | kcal/mol | Ccb | Moore, Renquist, et al., 1940 | Reanalyzed by Cox and Pilcher, 1970, Original value = -33.73 kcal/mol; see Moore and Parks, 1939; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -941.28 ± 0.14 | kcal/mol | Ccb | Good and Smith, 1969 | Corresponding ΔfHºliquid = -32.92 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -941.14 ± 0.18 | kcal/mol | Ccb | Prosen, Johnson, et al., 1946 | Corresponding ΔfHºliquid = -33.06 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -940.78 ± 0.40 | kcal/mol | Ccb | Moore, Renquist, et al., 1940 | Reanalyzed by Cox and Pilcher, 1970, Original value = -940.36 ± 0.40 kcal/mol; see Moore and Parks, 1939; Corresponding ΔfHºliquid = -33.42 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -945.6 | kcal/mol | Ccb | Zubova, 1901 | Corresponding ΔfHºliquid = -28.6 kcal/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 59.221 | cal/mol*K | N/A | Douslin and Huffman, 1946 | DH |
S°liquid | 59.20 | cal/mol*K | N/A | Huffman, Parks, et al., 1931 | Extrapolation below 90 K, 57.86 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
37.682 | 293.15 | Siddiqi, Svejda, et al., 1983 | DH |
38.031 | 299.8 | Connolly, Sage, et al., 1951 | T = 80 to 200°F.; DH |
37.930 | 298.15 | Douslin and Huffman, 1946 | T = 12 to 300 K.; DH |
37.60 | 295.7 | Huffman, Parks, et al., 1931 | T = 92 to 294 K. Value is unsmoothed experimental datum.; DH |
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
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 345.0 ± 0.2 | K | AVG | N/A | Average of 35 out of 41 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tfus | 131. ± 1. | K | AVG | N/A | Average of 30 out of 35 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Ttriple | 130.5 ± 0.6 | K | AVG | N/A | Average of 6 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 532.7 ± 0.2 | K | N/A | Daubert, 1996 | |
Tc | 532.7 | K | N/A | Majer and Svoboda, 1985 | |
Tc | 532.73 | K | N/A | Kudchadker, Alani, et al., 1968 | Uncertainty assigned by TRC = 0.3 K; TRC |
Tc | 532.7 | K | N/A | Ambrose, Cox, et al., 1960 | Uncertainty assigned by TRC = 0.2 K; Vis, PRT, IPTS-48; TRC |
Tc | 532.76 | K | N/A | Kay, 1947 | Uncertainty assigned by TRC = 0.05 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Pc | 37.4 ± 0.4 | atm | N/A | Daubert, 1996 | |
Pc | 37.35 | atm | N/A | Kudchadker, Alani, et al., 1968 | Uncertainty assigned by TRC = 0.4000 atm; TRC |
Pc | 37.3640 | atm | N/A | Kay, 1947 | Uncertainty assigned by TRC = 0.0499 atm; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.318 | l/mol | N/A | Daubert, 1996 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 3.14 ± 0.04 | mol/l | N/A | Daubert, 1996 | |
ρc | 3.137 | mol/l | N/A | Kudchadker, Alani, et al., 1968 | Uncertainty assigned by TRC = 0.05 mol/l; TRC |
ρc | 3.14 | mol/l | N/A | Kay, 1947 | Uncertainty assigned by TRC = 0.02 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 7.57 ± 0.03 | kcal/mol | AVG | N/A | Average of 6 values; Individual data points |
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.950 | 345. | N/A | Majer and Svoboda, 1985 | |
7.50 | 315. | N/A | Sapei, Uusi-Kyyny, et al., 2010 | Based on data from 300. to 345. K.; AC |
7.62 | 303. | A,MM | Stephenson and Malanowski, 1987 | Based on data from 288. to 346. K. See also Willingham, Taylor, et al., 1945.; AC |
7.487 ± 0.004 | 304. | V | McCullough, Pennington, et al., 1959 | ALS |
7.48 ± 0.02 | 304. | C | McCullough, Pennington, et al., 1959 | AC |
7.22 ± 0.02 | 326. | C | McCullough, Pennington, et al., 1959 | AC |
6.96 ± 0.02 | 345. | C | McCullough, Pennington, et al., 1959 | 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 345. | 10.99 | 0.271 | 532.7 | Majer 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 |
---|---|---|---|---|
288.18 to 345.78 | 3.98202 | 1186.059 | -47.108 | Williamham, Taylor, et al., 1945 |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
1.6560 | 130.73 | Douslin and Huffman, 1946 | DH |
1.66 | 130.7 | Domalski and Hearing, 1996 | AC |
1.645 | 130.1 | Huffman, Parks, et al., 1931 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
12.67 | 130.73 | Douslin and Huffman, 1946 | DH |
12.6 | 130.1 | Huffman, Parks, et al., 1931 | DH |
Reaction thermochemistry data
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change 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: 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
By formula: H2 + C6H10 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -24.09 ± 0.15 | kcal/mol | Chyd | Rogers, Crooks, et al., 1987 | liquid phase |
ΔrH° | -24.22 ± 0.12 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane |
ΔrH° | -23.01 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid |
ΔrH° | -23.01 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid |
ΔrH° | -23.01 ± 0.04 | kcal/mol | Chyd | Turner and Garner, 1957, 2 | liquid phase; solvent: Acetic acid |
By formula: H2 + C6H10 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -27.70 ± 0.23 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane |
ΔrH° | -26.88 ± 0.02 | kcal/mol | Chyd | Turner and Garner, 1958 | liquid phase; solvent: Acetic acid |
ΔrH° | -26.85 ± 0.05 | kcal/mol | Chyd | Turner and Garner, 1957 | liquid phase; solvent: Acetic acid |
ΔrH° | -26.82 ± 0.08 | kcal/mol | Chyd | Turner and Garner, 1957, 2 | liquid phase; solvent: Acetic acid |
By formula: C6H10 + H2 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -27.58 ± 0.18 | kcal/mol | Chyd | Allinger, Dodziuk, et al., 1982 | liquid phase; solvent: Hexane |
By formula: C6H12 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -3.510 | kcal/mol | Eqk | Glasebrook and Lovell, 1939 | liquid phase; Heat of isomerization |
By formula: 2H2 + C6H8 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -63.1 ± 0.2 | kcal/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
By formula: 3H2 + C6H6 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -78.9 ± 0.1 | kcal/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
By formula: 2H2 + C6H8 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -52.9 ± 0.2 | kcal/mol | Chyd | Roth, Adamczak, et al., 1991 | liquid phase |
By formula: C6H12 = C6H12
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 4.32 ± 0.28 | kcal/mol | Eqk | Kabo and Andreevskii, 1973 | liquid phase |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Good and Smith, 1969
Good, W.D.; Smith, N.K.,
Enthalpies of combustion of toluene, benzene, cyclohexane, cyclohexene, methylcyclopentane, 1-methylcyclopentene, and n-hexane,
J. Chem. Eng. Data, 1969, 14, 102-106. [all data]
Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D.,
Heats of formation and combustion of the normal alkylcyclopentanes and cyclohexanes and the increment per CH2 group for several homologous series of hydrocarbons,
J. Res. NBS, 1946, 37, 51-56. [all data]
Moore, Renquist, et al., 1940
Moore, G.E.; Renquist, M.L.; Parks, G.S.,
Thermal data on organic compounds. XX. Modern combustion data for two methylnonanes, methyl ethyl ketone, thiophene and six cycloparaffins,
J. Am. Chem. Soc., 1940, 62, 1505-1507. [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]
Scott D.W., 1960
Scott D.W.,
Chemical thermodynamic properties of methylcyclopentane and 1-cis-3-dimethylcyclopentane,
J. Phys. Chem., 1960, 64, 906-908. [all data]
McCullough J.P., 1959
McCullough J.P.,
Thermodynamics of cyclopentane, methylcyclopentane and 1,cis-3-dimethylcyclopentane: verification of the concept of pseudorotation,
J. Am. Chem. Soc., 1959, 81, 5880-5883. [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]
Moore and Parks, 1939
Moore, G.E.; Parks, G.S.,
New thermodynamic data for the cyclohexane-methylcyclopentane isomerization,
J. Am. Chem. Soc., 1939, 61, 2561-2562. [all data]
Zubova, 1901
Zubova, P.,
Data about heat of combustion of compound cycle structure,
Zh. Fiz. Khim., 1901, 33, 708-722. [all data]
Douslin and Huffman, 1946
Douslin, D.R.; Huffman, H.M.,
The heat capacities, heats of transition, heats of fusion and entropies of cyclopentane, methylcyclopentane and methylcylohexane,
J. Am. Chem. Soc., 1946, 68, 173-176. [all data]
Huffman, Parks, et al., 1931
Huffman, H.M.; Parks, G.S.; Barmore, M.,
Thermal data on organic compounds. X. Further studies on the heat capacities, entropies and free energies of hydrocarbons,
J. Am. Chem. Soc., 1931, 53, 3876-3888. [all data]
Siddiqi, Svejda, et al., 1983
Siddiqi, M.A.; Svejda, P.; Kohler, F.,
A generalized van der Waals equation of state II. Excess heat capacities of mixtures containing cycloalkanes (C5,C6), methylcycloalkanes (C5,C6) and n-decane,
Ber. Bunsenges. Phys. Chem., 1983, 87, 1176-1181. [all data]
Connolly, Sage, et al., 1951
Connolly, T.J.; Sage, B.H.; Lacey, W.N.,
Isobaric heat capacities at bubble point. n-Hexane, methylcyclopentane, and n-octane,
Ind. Eng. Chem., 1951, 43, 946-950. [all data]
Daubert, 1996
Daubert, T.E.,
Vapor-Liquid Critical Properties of Elements and Compounds. 5. Branched Alkanes and Cycloalkanes,
J. Chem. Eng. Data, 1996, 41, 365-372. [all data]
Majer and Svoboda, 1985
Majer, V.; Svoboda, V.,
Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]
Kudchadker, Alani, et al., 1968
Kudchadker, A.P.; Alani, G.H.; Zwolinski, B.J.,
The Critical Constants of Organic Substances,
Chem. Rev., 1968, 68, 659. [all data]
Ambrose, Cox, et al., 1960
Ambrose, D.; Cox, J.D.; Townsend, R.,
The critical temperatures of forty organic compounds,
Trans. Faraday Soc., 1960, 56, 1452. [all data]
Kay, 1947
Kay, W.B.,
Vapor Pressures and Saturated Liquid and Vapor DEensities of Cyclopentane, Methylcyclopentane, Ethylcyclopentane, and Methylcyclohexane,
J. Am. Chem. Soc., 1947, 69, 1273-7. [all data]
Sapei, Uusi-Kyyny, et al., 2010
Sapei, Erlin; Uusi-Kyyny, Petri; Keskinen, Kari I.; Alopaeus, Ville,
Phase equilibria of binary systems of 3-methylthiophene with four different hydrocarbons,
Fluid Phase Equilibria, 2010, 288, 1-2, 155-160, https://doi.org/10.1016/j.fluid.2009.11.004
. [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]
Willingham, Taylor, et al., 1945
Willingham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D.,
Vapor pressures and boiling points of some paraffin, alkylcyclopentane, alkylcyclohexane, and alkylbenzene hydrocarbons,
J. RES. NATL. BUR. STAN., 1945, 35, 3, 219-17, https://doi.org/10.6028/jres.035.009
. [all data]
McCullough, Pennington, et al., 1959
McCullough, J.P.; Pennington, R.E.; Smith, J.C.; Hossenlopp, I.A.; Waddington, G.,
Thermodynamics of cyclopentane, methylcyclopentane and 1,cis-3-dimethylcyclopentane: Verification of the concept of pseudorotation,
J. Am. Chem. Soc., 1959, 81, 5880-5883. [all data]
Williamham, Taylor, et al., 1945
Williamham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D.,
Vapor Pressures and Boiling Points of Some Paraffin, Alkylcyclopentane, Alkylcyclohexane, and Alkylbenzene Hydrocarbons,
J. Res. Natl. Bur. Stand. (U.S.), 1945, 35, 3, 219-244, https://doi.org/10.6028/jres.035.009
. [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]
Rogers, Crooks, et al., 1987
Rogers, D.W.; Crooks, E.; Dejroongruang, K.,
Enthalpies of hydrogenation of the hexenes,
J. Chem. Thermodyn., 1987, 19, 1209-1215. [all data]
Allinger, Dodziuk, et al., 1982
Allinger, N.L.; Dodziuk, H.; Rogers, D.W.; Naik, S.N.,
Heats of hydrogenation and formation of some 5-membered ring compounds by molecular mechanics calculations and direct measurements,
Tetrahedron, 1982, 38, 1593-1597. [all data]
Turner and Garner, 1958
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1958, 80, 1424-1430. [all data]
Turner and Garner, 1957
Turner, R.B.; Garner, R.H.,
Heats of hydrogenation. V. Relative stabilities in certain exocyclic-endocyclic olefin pairs,
J. Am. Chem. Soc., 1957, 80, 1424-1430. [all data]
Turner and Garner, 1957, 2
Turner, R.B.; Garner, R.H.,
The stability relationship of 1-methyl-cyclopentene and methylenecyclopentane,
J. Am. Chem. Soc., 1957, 79, 253. [all data]
Glasebrook and Lovell, 1939
Glasebrook, A.L.; Lovell, W.G.,
The isomerization of cyclohexane and methylcyclopentane,
J. Am. Chem. Soc., 1939, 61, 1717-1720. [all data]
Roth, Adamczak, et al., 1991
Roth, W.R.; Adamczak, O.; Breuckmann, R.; Lennartz, H.-W.; Boese, R.,
Die Berechnung von Resonanzenergien; das MM2ERW-Kraftfeld,
Chem. Ber., 1991, 124, 2499-2521. [all data]
Kabo and Andreevskii, 1973
Kabo, G.Ya.; Andreevskii, D.N.,
Thermodynamic characteristics of the cyclohexane = methylcyclopentane isomerization,
Zh. Fiz. Khim., 1973, 47, 272-273. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,gas Constant pressure heat capacity of gas Cp,liquid Constant pressure heat capacity of liquid Pc Critical pressure S°liquid Entropy of liquid at standard conditions Tboil Boiling point Tc Critical temperature Tfus Fusion (melting) point Ttriple Triple point temperature Vc Critical volume ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions ΔfusH Enthalpy of fusion ΔfusS Entropy of fusion ΔrH° Enthalpy of reaction at standard conditions ΔvapH Enthalpy of vaporization ΔvapH° Enthalpy of vaporization at standard conditions ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
- The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
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