1-Octanamine
- Formula: C8H19N
- Molecular weight: 129.2432
- IUPAC Standard InChIKey: IOQPZZOEVPZRBK-UHFFFAOYSA-N
- CAS Registry Number: 111-86-4
- 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: Octylamine; n-Octylamine; Armeen 8; Caprylamine; Caprylylamine; 1-Aminooctane; 1-Octylamine; n-C8H17NH2; n-Octylamine, mono-; Monooctylamine; Octanamine; Amine 8D; Monoctylamine; NSC 9824
- Permanent link for this species. Use this link for bookmarking this species for future reference.
- Information on this page:
- Other data available:
- Options:
Data at NIST subscription sites:
NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.
Condensed phase thermochemistry data
Go To: Top, Gas phase ion energetics 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 | -54.51 ± 0.30 | kcal/mol | Ccr | Steele, Chirico, et al., 1996 | ALS |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°liquid | -1346.89 ± 0.23 | kcal/mol | Ccr | Steele, Chirico, et al., 1996 | ALS |
Constant pressure heat capacity of liquid
Cp,liquid (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
73.92 | 298.15 | Steele, Chirico, et al., 1993 | DH |
Gas phase ion energetics data
Go To: Top, Condensed phase 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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
MM - Michael M. Meot-Ner (Mautner)
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 222.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 213.9 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Proton affinity at 298K
Proton affinity (kcal/mol) | Reference | Comment |
---|---|---|
221.1 | Wang, Chu, et al., 1999 | KM results obtained from CID of complexes with other primary amines at E(cm) = 0 eV, extrapolated from CID at E(cm) = 0.8, 1.5, 2.0 eV; MM |
221.0 | Wang, Chu, et al., 1999 | KM results obtained from CID of complexes with other primary amines using Fenselau/Wesdemiotis correction; MM |
Gas basicity at 298K
Gas basicity (review) (kcal/mol) | Reference | Comment |
---|---|---|
210.2 ± 2.2 | Gross, Rodriguez-Cruz, et al., 1995 | T = 300K; 3-Fluoropyridine; i-Propylamine. Reference GBs readjusted to Hunter and Lias, 1998. Cited uncertainty is half of the ΔGB between the bracketing bases; MM |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.5 | PE | Aue and Bowers, 1979 | LLK |
References
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1996
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Smith, N.K.; Tasker, I.R.,
Thermodynamic properties and ideal-gas enthalpies of formation for cyclohexene, phthalan (2,5-dihydrobenzo-3,4-furan), isoxazole, octylamine, dioctylamine, trioctylamine, phenyl isocyanate, and 1,4,5,6-tetrahydropyrimidine,
J. Chem. Eng. Data, 1996, 41, 1269-1284. [all data]
Steele, Chirico, et al., 1993
Steele, W.V.; Chirico, R.D.; Knipmeyer, S.E.; Nguyen, A.; Tasker, I.R.,
Determination of ideal gas enthalpies of formation for key compounds the 1991 project results,
DIPPR Project, 1993, 871, NIPER-716. [all data]
Hunter and Lias, 1998
Hunter, E.P.; Lias, S.G.,
Evaluated Gas Phase Basicities and Proton Affinities of Molecules: An Update,
J. Phys. Chem. Ref. Data, 1998, 27, 3, 413-656, https://doi.org/10.1063/1.556018
. [all data]
Wang, Chu, et al., 1999
Wang, Z.; Chu, I.K.; Rodriquez, C.F.; Hopkinson, A.C.; Siu, K.W.M.,
α,ω-Diaminoalkanes as models for bases that dicoordinate the proton: An evaluation of the kinetic method for estimating their proton affinities,
J. Phys. Chem. A., 1999, 103, 8700. [all data]
Gross, Rodriguez-Cruz, et al., 1995
Gross, D.S.; Rodriguez-Cruz, S.E.; Bock, S.; Williams, E.R.,
Measurement of the Coulomb Energy and Dielectric Polarizability of Gas-Phase Diprotonated Diaminoalkanes,
J. Phys. Chem., 1995, 99, 4034. [all data]
Aue and Bowers, 1979
Aue, D.H.; Bowers, M.T.,
Chapter 9. Stabilities of positive ions from equilibrium gas phase basicity measurements
in Ions Chemistry,, ed. M.T. Bowers, 1979. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Gas phase ion energetics data, References
- Symbols used in this document:
Cp,liquid Constant pressure heat capacity of liquid ΔcH°liquid Enthalpy of combustion of liquid at standard conditions ΔfH°liquid Enthalpy of formation of liquid at standard conditions - 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.
- Customer support for NIST Standard Reference Data products.