Pentane
- Formula: C5H12
- Molecular weight: 72.1488
- IUPAC Standard InChIKey: OFBQJSOFQDEBGM-UHFFFAOYSA-N
- CAS Registry Number: 109-66-0
- 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: n-Pentane; Skellysolve A; n-C5H12; Pentan; Pentanen; Pentani; Amyl hydride; NSC 72415
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Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.)
Go To: Top, 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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
ΔvapH° (kJ/mol) | Method | Reference | Comment |
---|---|---|---|
26.75 | N/A | Majer and Svoboda, 1985 | |
26.2 | N/A | Hörner, Höpfner, et al., 2010 | Based on data from 216. to 296. K.; AC |
26.4 | N/A | Ruzicka and Majer, 1994 | AC |
26.6 ± 0.1 | C | Fuchs, Peacock, et al., 1982 | AC |
26.4 | C | Hossenlopp and Scott, 1981 | AC |
26.4 | N/A | Reid, 1972 | AC |
26.7 ± 0.4 | V | Good, 1970 | ALS |
26.4 | C | Osborne and Ginnings, 1947 | AC |
26.42 | C | Osborne and Ginnings, 1947, 2 | ALS |
27.4 | MM | Willingham, Taylor, et al., 1945 | Based on data from 286. to 310. K.; AC |
26.2 | N/A | Messerly and Kennedy, 1940 | AC |
References
Go To: Top, Enthalpy of vaporization at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Hörner, Höpfner, et al., 2010
Hörner, Ch.; Höpfner, A.; Schmeiser, B.,
Der Dampfdruck-Isotopie-Effekt von deuterierten n-Pentanen,
Berichte der Bunsengesellschaft für physikalische Chemie, 2010, 79, 2, 222-225, https://doi.org/10.1002/bbpc.19750790218
. [all data]
Ruzicka and Majer, 1994
Ruzicka, Kvetoslav; Majer, Vladimir,
Simultaneous Treatment of Vapor Pressures and Related Thermal Data Between the Triple and Normal Boiling Temperatures for n-Alkanes C5--C20,
J. Phys. Chem. Ref. Data, 1994, 23, 1, 1, https://doi.org/10.1063/1.555942
. [all data]
Fuchs, Peacock, et al., 1982
Fuchs, Richard; Peacock, L. Alan; Stephenson, W. Kirk,
Enthalpies of interaction of polar and nonpolar molecules with aromatic solvents,
Can. J. Chem., 1982, 60, 15, 1953-1958, https://doi.org/10.1139/v82-273
. [all data]
Hossenlopp and Scott, 1981
Hossenlopp, I.A.; Scott, D.W.,
Vapor heat capacities and enthalpies of vaporization of five alkane hydrocarbons,
J. Chem. Thermodyn., 1981, 13, 415-421. [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]
Good, 1970
Good, W.D.,
The enthalpies of combustion and formation of the isomeric pentanes,
J. Chem. Thermodyn., 1970, 2, 237-244. [all data]
Osborne and Ginnings, 1947
Osborne, Nathan S.; Ginnings, Defoe C.,
Measurements of heat of vaporization and heat capacity of a number of hydrocarbons,
J. RES. NATL. BUR. STAN., 1947, 39, 5, 453-17, https://doi.org/10.6028/jres.039.031
. [all data]
Osborne and Ginnings, 1947, 2
Osborne, N.S.; Ginnings, D.C.,
Measurements of heat of vaporization and heat capacity of a number of hydrocarbons,
J. Res. NBS, 1947, 39, 453-477. [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]
Messerly and Kennedy, 1940
Messerly, G.H.; Kennedy, R.M.,
The heat capacity and entropy, heats of fusion and vaporization and the vapor pressure of n-pentane,
J. Am. Chem. Soc., 1940, 62, 2988-2991. [all data]
Notes
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- Symbols used in this document:
ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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