Benzene, n-butyl-
- Formula: C10H14
- Molecular weight: 134.2182
- IUPAC Standard InChIKey: OCKPCBLVNKHBMX-UHFFFAOYSA-N
- CAS Registry Number: 104-51-8
- 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: 1-Phenylbutane; n-Butylbenzene; Butylbenzene; UN 2709; Benzene, butyl-; 1-butylbenzene
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Gas phase thermochemistry data
Go To: Top, Condensed phase thermochemistry 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 | -12.8 | kJ/mol | N/A | Good, 1975 | Value computed using ΔfHliquid° value of -62.9±1.2 kj/mol from Good, 1975 and ΔvapH° value of 50.1 kj/mol from Prosen, Johnson, et al., 1946.; DRB |
ΔfH°gas | -13.8 ± 1.3 | kJ/mol | Ccb | Prosen, Johnson, et al., 1946 | Heat of combustion for gas phase =-1415.44 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°gas | 437.86 | J/mol*K | N/A | Messerly J.F., 1965 | S(298.15 K) estimated by the method of increments [ Thermodynamics Research Center, 1997, Taylor W.J., 1946] is 1-2 J/mol*K larger than experimental one.; GT |
Condensed phase thermochemistry data
Go To: Top, Gas phase thermochemistry 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 | -62.9 ± 1.2 | kJ/mol | Ccb | Good, 1975 | see Good, 1973; ALS |
ΔfH°liquid | -63.9 ± 1.3 | kJ/mol | Ccb | Prosen, Johnson, et al., 1946 | Heat of combustion for gas phase =-1415.44 kcal/mol; ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -5873.0 ± 1.1 | kJ/mol | Ccb | Good, 1975 | see Good, 1973; Corresponding ΔfHºliquid = -62.93 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
ΔcH°liquid | -5872.1 ± 1.1 | kJ/mol | Ccb | Prosen, Johnson, et al., 1946 | Heat of combustion for gas phase =-1415.44 kcal/mol; Corresponding ΔfHºliquid = -63.85 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Quantity | Value | Units | Method | Reference | Comment |
S°liquid | 321.21 | J/mol*K | N/A | Messerly, Todd, et al., 1965 | DH |
S°liquid | 321.3 | J/mol*K | N/A | Huffman, Parks, et al., 1931 | Extrapolation below 90 K, 78.95 J/mol*K.; DH |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
241. | 298.15 | Good, 1973 | DH |
243.34 | 298.15 | Messerly, Todd, et al., 1965 | T = 10 to 380 K.; DH |
203. | 293. | Tschamler, 1948 | DH |
240.2 | 298.2 | Huffman, Parks, et al., 1931 | T = 94 to 298 K. Value is unsmoothed experimental datum.; DH |
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 as indicated in comments:
M - Michael M. Meot-Ner (Mautner) and Sharon G. Lias
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
By formula: C6H7N+ + C10H14 = (C6H7N+ • C10H14)
Bond type: Charge transfer bond (positive ion)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 58.2 | kJ/mol | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Quantity | Value | Units | Method | Reference | Comment |
ΔrS° | 110. | J/mol*K | N/A | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
Free energy of reaction
ΔrG° (kJ/mol) | T (K) | Method | Reference | Comment |
---|---|---|---|---|
22. | 330. | PHPMS | Meot-Ner (Mautner) and El-Shall, 1986 | gas phase; Entropy change calculated or estimated; M |
By formula: 2H2 + C10H10 = C10H14
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -262.3 ± 0.67 | kJ/mol | Chyd | Davis, Allinger, et al., 1985 | liquid phase; solvent: Hexane; ALS |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry 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, 1975
Good, W.D.,
The standard enthalpies of combustion and formation of n-butylbenzene, the dimethylethylbenzenes, and the tetramethylbenzenes in the condensed state,
J. Chem. Thermodyn., 1975, 7, 49-59. [all data]
Prosen, Johnson, et al., 1946
Prosen, E.J.; Johnson, W.H.; Rossini, F.D.,
Heats of combustion and formation at 25°C of the alkylbenzenes through C10H14, and of the higher normal monoalkylbenzenes,
J. Res. NBS, 1946, 36, 455-461. [all data]
Messerly J.F., 1965
Messerly J.F.,
Low-temperature thermodynamic properties of n-propyl- and n-butyl-benzene,
J. Phys. Chem., 1965, 69, 4304-4310. [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]
Taylor W.J., 1946
Taylor W.J.,
Heats, equilibrium constants, and free energies of formation of the alkylbenzenes,
J. Res. Nat. Bur. Stand., 1946, 37, 95-122. [all data]
Good, 1973
Good, W.D.,
The enthalpies of combustion and formation of n-butylbenzene, the diethylbenzenes, the methyl-n-propylbenzenes, and the methyl-iso-propylbenzenes,
J. Chem. Thermodyn., 1973, 5, 707-714. [all data]
Messerly, Todd, et al., 1965
Messerly, J.F.; Todd, S.S.; Finke, H.L.,
Low-temperature thermodynamic properties of n-propyl- and n-butylbenzene,
J. Phys. Chem., 1965, 69, 4304-4311. [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]
Tschamler, 1948
Tschamler, H.,
Uber binare flussige Mischungen I. Mischungswarment, Volumseffekte und Zustandsdiagramme von chlorex mit benzol und n-alkylbenzolen,
Monatsh. Chem., 1948, 79, 162-177. [all data]
Meot-Ner (Mautner) and El-Shall, 1986
Meot-Ner (Mautner), M.; El-Shall, M.S.,
Ionic Charge Transfer Complexes. 1. Cationic Complexes with Delocalized and Partially Localized pi Systems,
J. Am. Chem. Soc., 1986, 108, 15, 4386, https://doi.org/10.1021/ja00275a026
. [all data]
Davis, Allinger, et al., 1985
Davis, H.E.; Allinger, N.L.; Rogers, D.W.,
Enthalpies of hydrogenation of phenylalkynes: indirect determination of the enthalpy of formation of diphenylcyclopropenone,
J. Org. Chem., 1985, 50, 3601-3604. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid S°gas Entropy of gas at standard conditions S°liquid Entropy of liquid at standard conditions T Temperature 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 ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔrS° Entropy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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