4-Heptanol
- Formula: C7H16O
- Molecular weight: 116.2013
- IUPAC Standard InChIKey: YVBCULSIZWMTFY-UHFFFAOYSA-N
- CAS Registry Number: 589-55-9
- 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: Dipropylcarbinol; CH3(CH2)2CHOH(CH2)2CH3; di-n-Propylcarbinol; n-Heptan-4-ol; Heptanol-4; heptan-4-ol
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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 by: Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -354.8 ± 2.1 | kJ/mol | N/A | Wiberg, Wasserman, et al., 1984 | Value computed using ΔfHliquid° value of -416.3±0.67 kj/mol from Wiberg, Wasserman, et al., 1984 and ΔvapH° value of 61.5±2 kj/mol from sec-alkanol correlation. |
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 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 | -416.3 ± 0.67 | kJ/mol | Cm | Wiberg, Wasserman, et al., 1984 | Heat of hydration; ALS |
Constant pressure heat capacity of liquid
Cp,liquid (J/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
317.6 | 298. | Conti, Gianni, et al., 1976 | 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:
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
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tboil | 428. ± 2. | K | AVG | N/A | Average of 12 values; Individual data points |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 602.6 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
Tc | 602.6 | K | N/A | Teja, Lee, et al., 1989 | TRC |
Tc | 602.6 | K | N/A | Smith, Anselme, et al., 1986 | Uncertainty assigned by TRC = 0.25 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.432 | l/mol | N/A | Gude and Teja, 1995 | |
Quantity | Value | Units | Method | Reference | Comment |
ρc | 2.31 | mol/l | N/A | Gude and Teja, 1995 | |
ρc | 2.31 | mol/l | N/A | Smith, Anselme, et al., 1986 | Uncertainty assigned by TRC = 0.17 mol/l; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔvapH° | 62.4 ± 0.3 | kJ/mol | N/A | Verevkin and Schick, 2007 | AC |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
337.0 | 0.021 | Weast and Grasselli, 1989 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
58.2 | 335. | A | Stephenson and Malanowski, 1987 | Based on data from 320. to 428. K.; AC |
63.1 | 297. | A | Stephenson and Malanowski, 1987 | Based on data from 282. to 320. K. See also Cabani, Conti, et al., 1975.; AC |
53.1 | 364. | N/A | Sachek, Markovnik, et al., 1984 | Based on data from 349. to 428. K.; AC |
56.9 | 335. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 320. to 428. K.; AC |
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
By formula: C7H16O = C7H14 + H2O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 32.8 ± 0.2 | kJ/mol | Cm | Wiberg, Wasserman, et al., 1984 | liquid phase; Heat of hydration |
Gas phase ion energetics 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: Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
9.61 ± 0.03 | PE | Ashmore and Burgess, 1977 | |
10.03 | PE | Ashmore and Burgess, 1977 | Vertical value |
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: NIST Mass Spectrometry Data Center, William E. Wallace, director
Gas Phase Spectrum
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Additional Data
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Owner | NIST Standard Reference Data Program Collection (C) 2018 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
---|---|
Origin | NIST Mass Spectrometry Data Center |
State | gas |
Instrument | HP-GC/MS/IRD |
Mass spectrum (electron ionization)
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, 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
Spectrum
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Additional Data
View image of digitized spectrum (can be printed in landscape orientation).
Due to licensing restrictions, this spectrum cannot be downloaded.
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. |
---|---|
Origin | Japan AIST/NIMC Database- Spectrum MS-NW-3468 |
NIST MS number | 231743 |
References
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Wiberg, Wasserman, et al., 1984
Wiberg, K.B.; Wasserman, D.J.; Martin, E.,
Enthalpies of hydration of alkenes. 2. The n-heptenes and n-pentenes,
J. Phys. Chem., 1984, 88, 3684-3688. [all data]
Conti, Gianni, et al., 1976
Conti, G.; Gianni, P.; Matteoli, E.; Mengheri, M.,
Capacita termiche molari di alcuni composti organici mono- e bifunzionali nel liquido puro e in soluzione acquosa a 25C,
Chim. Ind. (Milan), 1976, 58, 225. [all data]
Gude and Teja, 1995
Gude, M.; Teja, A.S.,
Vapor-Liquid Critical Properties of Elements and Compounds. 4. Aliphatic Alkanols,
J. Chem. Eng. Data, 1995, 40, 1025-1036. [all data]
Teja, Lee, et al., 1989
Teja, A.S.; Lee, R.J.; Rosenthal, D.J.; Anselme, M.J.,
Correlation of the Critical Properties of Alkanes and Alkanols
in 5th IUPAC Conference on Alkanes and AlkanolsGradisca, 1989. [all data]
Smith, Anselme, et al., 1986
Smith, R.L.; Anselme, M.J.; Teja, A.S.,
The Critical Temperatures of Isomeric Pentanols and Heptanols,
Fluid Phase Equilib., 1986, 31, 161. [all data]
Verevkin and Schick, 2007
Verevkin, Sergey P.; Schick, Christoph,
Vapour pressures and heat capacity measurements on the C7--C9 secondary aliphatic alcohols,
The Journal of Chemical Thermodynamics, 2007, 39, 5, 758-766, https://doi.org/10.1016/j.jct.2006.10.007
. [all data]
Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [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]
Cabani, Conti, et al., 1975
Cabani, Sergio; Conti, G.; Mollica, V.; Lepori, L.,
Thermodynamic study of dilute aqueous solutions of organic compounds. Part 4.---Cyclic and straight chain secondary alcohols,
J. Chem. Soc., Faraday Trans. 1, 1975, 71, 0, 1943, https://doi.org/10.1039/f19757101943
. [all data]
Sachek, Markovnik, et al., 1984
Sachek, A.I.; Markovnik, V.S.; Peshchenko, A.D.; Shvaro, A.V.; Andreevskii, D.N.,
Khim. Prom-st. (Moscow), 1984, 337. [all data]
Wilhoit and Zwolinski, 1973
Wilhoit, R.C.; Zwolinski, B.J.,
Physical and thermodynamic properties of aliphatic alcohols,
J. Phys. Chem. Ref. Data Suppl., 1973, 1, 2, 1. [all data]
Ashmore and Burgess, 1977
Ashmore, F.S.; Burgess, A.R.,
Study of Some Medium Size Alcohols and Hydroperoxides by Photoelectron Spectroscopy,
J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1247. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Reaction thermochemistry data, Gas phase ion energetics data, IR Spectrum, Mass spectrum (electron ionization), References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid Tboil Boiling point Tc Critical temperature Vc Critical volume ΔfH°gas Enthalpy of formation of gas at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions 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
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