Diazene, dimethyl-


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 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 C2H6N2+ (ion structure unspecified)

Ionization energy determinations

IE (eV) Method Reference Comment
8.30PEFrost, Lee, et al., 1976LLK
8.7 ± 0.2EIPrasil and Forst, 1968RDSH
8.7 ± 0.1EIGowenlock, Majer, et al., 1962RDSH
9.0PERao, 1975Vertical value; LLK
8.95 ± 0.05PEKoenig, Balle, et al., 1975Vertical value; LLK

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
CH2N+14.7 ± 0.3?EIPrasil and Forst, 1968RDSH
CH3+11.5 ± 0.1?EIGowenlock, Majer, et al., 1962RDSH
CH3N2+9.2CH3EIFoster and Beauchamp, 1972LLK
CH3N2+9.5 ± 0.3CH3EIPrasil and Forst, 1968RDSH
CH3N2+9.0 ± 0.1CH3EIGowenlock, Majer, et al., 1962RDSH
C2H4+12.9 ± 0.3?EIPrasil and Forst, 1968RDSH
N2+16.3 ± 0.3?EIPrasil and Forst, 1968RDSH

Vibrational and/or electronic energy levels

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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: Takehiko Shimanouchi

Symmetry:   C2h     Symmetry Number σ = 2


 Sym.   No   Approximate   Selected Freq.  Infrared   Raman   Comments 
 Species   type of mode   Value   Rating   Value  Phase  Value  Phase

ag 1 CH3 d-str 2977  C  ia 2977 M dp liq.
ag 2 CH3 s-str 2916  C  ia 2916 S p liq.
ag 3 NN str 1580  C  ia 1580 VW p liq.
ag 4 CH3 d-deform 1434  C  ia 1434 M liq.
ag 5 CH3 s-deform 1380  C  ia 1380 W liq.
ag 6 CN str 1176  C  ia 1176 VW liq.
ag 7 CH3 rock 916  C  ia 916 M liq.
ag 8 CCN bend 589  C  ia 589 VS p liq.
au 9 CH3 d-str 2966  D 2966 W sh sln.  ia
au 10 CH3 d-deform 1438  C 1438 gas  ia
au 11 CH3 rock 1109  C 1109 W gas  ia
au 12 CCN bend 312  D 312 S sln.  ia
au 13 CH3 torsion 222  D 222 VW gas  ia
bg 14 CH3 d-str 2982  D  ia 2982 VS sln.
bg 15 CH3 d-deform 1447  D  ia 1447 S sln.
bg 16 CH3 rock 1010  D  ia 1010 VW liq.
bg 17 CH3 torsion 223  D  ia 223 W sln.
bu 18 CH3 d-str 2982  C 2982 VS gas  ia
bu 19 CH3 s-str 2926  C 2926 VS gas  ia
bu 20 CH3 d-deform 1445  C 1445 S gas  ia
bu 21 CH3 s-deform 1393  C 1393 M gas  ia
bu 22 CN str 1300  C 1300 VW gas  ia
bu 23 CH3 rock 1009  C 1009 W gas  ia
bu 24 CCN bend 352  C 352 M gas  ia

Source: Shimanouchi, 1972

Notes

VSVery strong
SStrong
MMedium
WWeak
VWVery weak
iaInactive
shShoulder
pPolarized
dpDepolarized
C3~6 cm-1 uncertainty
D6~15 cm-1 uncertainty

References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

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]

Prasil and Forst, 1968
Prasil, Z.; Forst, W., Mass spectrometry of azomethane, J. Am. Chem. Soc., 1968, 90, 3344. [all data]

Gowenlock, Majer, et al., 1962
Gowenlock, B.G.; Majer, J.R.; Snelling, D.R., Bond dissociation energies in some azo compounds, J. Chem. Soc. Faraday Trans., 1962, 58, 670. [all data]

Rao, 1975
Rao, C.N.R., Lone-pair ionization bands of chromophores in the photoelectron spectra of organic molecules, Indian J. Chem., 1975, 13, 950. [all data]

Koenig, Balle, et al., 1975
Koenig, T.; Balle, T.; Snell, W., Helium(I) photoelectron spectra of organic radicals, J. Am. Chem. Soc., 1975, 97, 662. [all data]

Foster and Beauchamp, 1972
Foster, M.S.; Beauchamp, J.L., Gas-phase ion chemistry of azomethane by ion cyclotron resonance spectroscopy, J. Am. Chem. Soc., 1972, 94, 2425. [all data]

Shimanouchi, 1972
Shimanouchi, T., Tables of Molecular Vibrational Frequencies Consolidated Volume II, J. Phys. Chem. Ref. Data, 1972, 6, 3, 993-1102. [all data]


Notes

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