Methyl diazene
- Formula: CH4N2
- Molecular weight: 44.0559
- CAS Registry Number: 26981-93-1
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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 by: William E. Acree, Jr., James S. Chickos
Enthalpy of vaporization
ΔvapH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
6.57 | 221. | A | Stephenson and Malanowski, 1987 | Based on data from 195. to 236. K. |
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 evaluated as indicated in comments:
HL - Edward P. Hunter and Sharon G. Lias
Data compiled as indicated in comments:
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
View reactions leading to CH4N2+ (ion structure unspecified)
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Proton affinity (review) | 202. | kcal/mol | N/A | Hunter and Lias, 1998 | at terminal N; HL |
Proton affinity (review) | 201. | kcal/mol | N/A | Hunter and Lias, 1998 | at interior N; HL |
Quantity | Value | Units | Method | Reference | Comment |
Gas basicity | 194.2 | kcal/mol | N/A | Hunter and Lias, 1998 | at terminal N; HL |
Gas basicity | 193.2 | kcal/mol | N/A | Hunter and Lias, 1998 | at interior N; HL |
Ionization energy determinations
IE (eV) | Method | Reference | Comment |
---|---|---|---|
8.8 ± 0.1 | PE | Frost, Lee, et al., 1976 | LLK |
9.3 ± 0.1 | EI | Foner and Hudson, 1970 | RDSH |
UV/Visible 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.
Spectrum
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Additional Data
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Source | Vidyarthi, et al., 1976 |
---|---|
Owner | INEP CP RAS, NIST OSRD Collection (C) 2007 copyright by the U.S. Secretary of Commerce on behalf of the United States of America. All rights reserved. |
Origin | INSTITUTE OF ENERGY PROBLEMS OF CHEMICAL PHYSICS, RAS |
Source reference | RAS UV No. 17450 |
Instrument | unknown |
References
Go To: Top, Phase change data, Gas phase ion energetics data, UV/Visible spectrum, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
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]
Frost, Lee, et al., 1976
Frost, D.C.; Lee, S.T.; McDowell, C.A.; Westwood, N.P.C.,
The photoelectron spectra of diazene, diazene-d2, trans-methyldiazene,
J. Chem. Phys., 1976, 64, 4719. [all data]
Foner and Hudson, 1970
Foner, S.N.; Hudson, R.L.,
Mass spectrometric studies of atom-molecule reactions using high-intensity crossed molecular beams,
J. Chem. Phys., 1970, 53, 4377. [all data]
Vidyarthi, et al., 1976
Vidyarthi, S.K., et al.,
J. Phys. Chem., 1976, 80, 559. [all data]
Notes
Go To: Top, Phase change data, Gas phase ion energetics data, UV/Visible spectrum, References
- Symbols used in this document:
ΔvapH Enthalpy of vaporization - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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