3-Heptanol
- Formula: C7H16O
- Molecular weight: 116.2013
- IUPAC Standard InChIKey: RZKSECIXORKHQS-UHFFFAOYSA-N
- CAS Registry Number: 589-82-2
- 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: 3-Hydroxyheptane; CH3(CH2)3CHOHCH2CH3; Ethyl-n-butylcarbinol; 1-Ethyl-1-pentanol; n-Heptan-3-ol; Ethylbutylcarbinol; Heptan-3-ol; Heptanol-3; DL-3-Heptanol; NSC 2586
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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 | -355.3 ± 2.1 | kJ/mol | N/A | Wiberg, Wasserman, et al., 1984 | Value computed using ΔfHliquid° value of -416.8±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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°liquid | -416.8 ± 0.67 | kJ/mol | Cm | Wiberg, Wasserman, et al., 1984 | Heat of hydration |
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 | 425.15 | K | N/A | Botteron and Shulman, 1962 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 429.55 | K | N/A | Cook, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
Tboil | 426.65 | K | N/A | Protiva, Exner, et al., 1952 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 425.15 | K | N/A | Nazarov and Fisher, 1950 | Uncertainty assigned by TRC = 3. K; TRC |
Tboil | 426.15 | K | N/A | Pichler, Ziesecke, et al., 1950 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Tc | 605.4 ± 0.5 | K | N/A | Gude and Teja, 1995 | |
Tc | 605.3 | K | N/A | Teja, Lee, et al., 1989 | TRC |
Tc | 605.4 | K | N/A | Smith, Anselme, et al., 1986 | Uncertainty assigned by TRC = 0.25 K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
Vc | 0.434 | 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 |
Reduced pressure boiling point
Tboil (K) | Pressure (bar) | Reference | Comment |
---|---|---|---|
339.2 | 0.027 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of vaporization
ΔvapH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
67.0 | 259. | N/A | N'Guimbi, Berro, et al., 1999 | Based on data from 244. to 333. K.; AC |
60.3 | 340. | A | Stephenson and Malanowski, 1987 | Based on data from 325. to 430. K.; AC |
64.7 | 280. | A | Stephenson and Malanowski, 1987 | Based on data from 263. to 295. K. See also Thomas, Meatyard, et al., 1979.; AC |
53.1 | 364. | N/A | Sachek, Markovnik, et al., 1984 | Based on data from 349. to 430. K.; AC |
59.2 | 343. | N/A | Wilhoit and Zwolinski, 1973 | Based on data from 328. to 429. 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° | 33.2 ± 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 |
---|---|---|---|
9.68 ± 0.03 | PE | Ashmore and Burgess, 1977 | |
10.01 | 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 | Sadtler Research Labs Under US-EPA Contract |
State | gas |
Mass spectrum (electron ionization)
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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
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-3155 |
NIST MS number | 231742 |
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]
Botteron and Shulman, 1962
Botteron; Shulman,
J. Org. Chem., 1962, 27, 785. [all data]
Cook, 1952
Cook, N.C.,
, Unpublished, Final Rep. Stand. Proj. on Oxygenated Compounds, Penn. State Univ., College Park, PA, 1952. [all data]
Protiva, Exner, et al., 1952
Protiva; Exner; Borovicka; Pliml,
Chem. Listy, 1952, 46, 37. [all data]
Nazarov and Fisher, 1950
Nazarov, I.N.; Fisher, L.B.,
Zh. Obshch. Khim., 1950, 20, 1107. [all data]
Pichler, Ziesecke, et al., 1950
Pichler, H.; Ziesecke, K.H.; Traeger, B.,
The Oxygen-containing Compounds, Especially Alcohols, Formed in Isosynthesis,
Brennst.-Chem., 1950, 31, 361. [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]
Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc.,
Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]
N'Guimbi, Berro, et al., 1999
N'Guimbi, J.; Berro, C.; Mokbel, I.; Rauzy, E.; Jose, J.,
Experimental vapour pressures of 13 secondary and tertiary alcohols---correlation and prediction by a group contribution method,
Fluid Phase Equilibria, 1999, 162, 1-2, 143-158, https://doi.org/10.1016/S0378-3812(99)00168-5
. [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]
Thomas, Meatyard, et al., 1979
Thomas, Leo H.; Meatyard, Robert; Smith, Harry; Davies, Gwyn H.,
Vapor pressures and molar entropies of vaporization of monohydric alcohols,
J. Chem. Eng. Data, 1979, 24, 3, 159-161, https://doi.org/10.1021/je60082a032
. [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:
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 ρc Critical density - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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