1,8-Naphthalenediamine
- Formula: C10H10N2
- Molecular weight: 158.1998
- IUPAC Standard InChIKey: YFOOEYJGMMJJLS-UHFFFAOYSA-N
- CAS Registry Number: 479-27-6
- 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: Naphthalene-1,8-diamine; 1,8-Diaminonaphthalene; 1,8-Naphthylenediamine
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Phase change 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:
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔvapH° | 19.0 ± 0.07 | kcal/mol | GS | Verevkin, Georgieva, et al., 2007 | Based on data from 339. to 379. K.; AC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 23.7 ± 0.2 | kcal/mol | ME | Ribeiro da Silva, Lobo Ferreira, et al., 2010 | Based on data from 314. to 338. K.; AC |
ΔsubH° | 22.5 ± 0.1 | kcal/mol | GS | Verevkin, Georgieva, et al., 2007 | Based on data from 304. to 335. K.; AC |
Reduced pressure boiling point
Tboil (K) | Pressure (atm) | Reference | Comment |
---|---|---|---|
478.2 | 0.016 | Aldrich Chemical Company Inc., 1990 | BS |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
23.3 ± 0.2 | 326. | ME | Ribeiro da Silva, Lobo Ferreira, et al., 2010 | Based on data from 314. to 338. K.; AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
3.860 | 339.8 | DSC | Verevkin, Georgieva, et al., 2007 | AC |
Gas phase ion energetics data
Go To: Top, Phase change 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C10H10N2+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 225.7 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 218.0 | kcal/mol | N/A | Hunter and Lias, 1998 | HL |
Appearance energy determinations
Ion | AE (eV) | Other Products | Method | Reference | Comment |
---|---|---|---|---|---|
C10H10N2+ | 6.65 ± 0.02 | ? | PE | Maier, 1974 | LLK |
De-protonation reactions
C10H9N2- + =
By formula: C10H9N2- + H+ = C10H10N2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrG° | 344.3 ± 2.0 | kcal/mol | IMRE | Arnett, Venkatasubaramanian, et al., 1982 | gas phase; value altered from reference due to change in acidity scale; B |
References
Go To: Top, Phase change 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.
Verevkin, Georgieva, et al., 2007
Verevkin, Sergey P.; Georgieva, Miglena; Melkhanova, Svetlana V.,
Vapor Pressures and Phase Transitions of a Series of the Aminonaphthalenes,
J. Chem. Eng. Data, 2007, 52, 1, 286-290, https://doi.org/10.1021/je060394v
. [all data]
Ribeiro da Silva, Lobo Ferreira, et al., 2010
Ribeiro da Silva, Manuel A.V.; Lobo Ferreira, Ana I.M.C.; Santos, Ana Filipa L.O.M.; Ferreira, Cristiana M.A.; Barros, Delfina C.B.; Reis, Joana A.C.; Costa, José C.S.; Calvinho, Maria Miguel G.; Rocha, Sónia I.A.; Pinto, Sónia P.; Freire, Sónia S.L.; Almeida, Suzete M.; Guimarães, Vanessa S.; Almeida, Vasco N.M.,
Enthalpies of combustion, vapour pressures, and enthalpies of sublimation of the 1,5- and 1,8-diaminonaphthalenes,
The Journal of Chemical Thermodynamics, 2010, 42, 3, 371-379, https://doi.org/10.1016/j.jct.2009.09.009
. [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]
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]
Maier, 1974
Maier, J.P.,
Photoelectron spectroscopy of peri- amino naphthalenes,
Helv. Chim. Acta, 1974, 57, 994. [all data]
Arnett, Venkatasubaramanian, et al., 1982
Arnett, E.M.; Venkatasubaramanian, K.G.; McIver, R.T.; Fukuda, E.K.; Bordwell, F.G.; Press, F.D.,
Stabilization of the monoanion of 1,8-diaminonaphthalene by intramolecular hydrogen bonding. A novel case of anion homoconjugation in superbase solution,
J. Am. Chem. Soc., 1982, 104, 325. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, References
- Symbols used in this document:
AE Appearance energy Tboil Boiling point ΔfusH Enthalpy of fusion ΔrG° Free energy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions ΔvapH° Enthalpy of vaporization at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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