1,5-Naphthalenediamine
- Formula: C10H10N2
- Molecular weight: 158.1998
- IUPAC Standard InChIKey: KQSABULTKYLFEV-UHFFFAOYSA-N
- CAS Registry Number: 2243-62-1
- 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: 1,5-Diaminonaphthalene; 1,5-Naphthylenediamine; NCI-C03021
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Phase change data
Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 462.15 | K | N/A | Pushin and Sladovic, 1928 | Uncertainty assigned by TRC = 2. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 122.5 ± 0.9 | kJ/mol | ME | Ribeiro da Silva, Lobo Ferreira, et al., 2010 | Based on data from 367. to 389. K.; AC |
ΔsubH° | 120.2 ± 0.7 | kJ/mol | GS | Verevkin, Georgieva, et al., 2007 | Based on data from 345. to 371. K.; AC |
Enthalpy of sublimation
ΔsubH (kJ/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
118.5 ± 0.9 | 378. | ME | Ribeiro da Silva, Lobo Ferreira, et al., 2010 | Based on data from 367. to 389. K.; AC |
Gas phase ion energetics data
Go To: Top, Phase change data, Mass spectrum (electron ionization), 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:
B - John E. Bartmess
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
View reactions leading to C10H10N2+ (ion structure unspecified)
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
6.74 ± 0.02 | PE | Maier, 1974 | LLK |
De-protonation reactions
By formula: C10H9N2- + H+ = C10H10N2
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | 1493. ± 8.8 | kJ/mol | G+TS | Arnett, Venkatasubaramanian, et al., 1982 | gas phase; value altered from reference due to change in acidity scale; B |
Quantity | Value | Units | Method | Reference | Comment |
ΔrG° | 1463. ± 8.4 | kJ/mol | IMRE | Arnett, Venkatasubaramanian, et al., 1982 | gas phase; value altered from reference due to change in acidity scale; B |
Mass spectrum (electron ionization)
Go To: Top, Phase change data, 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 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 | NIST Mass Spectrometry Data Center, 1998. |
NIST MS number | 291224 |
References
Go To: Top, Phase change data, Gas phase ion energetics data, 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.
Pushin and Sladovic, 1928
Pushin, N.A.; Sladovic, L.,
Equilibrium in the binary systems cresols-amines,
J. Chem. Soc., 1928, 1928, 2474. [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]
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]
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, Mass spectrum (electron ionization), References
- Symbols used in this document:
Tfus Fusion (melting) point ΔrG° Free energy of reaction at standard conditions ΔrH° Enthalpy of reaction at standard conditions ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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