Azulene, 1,4-dimethyl-7-(1-methylethyl)-


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 by: Edward P. Hunter and Sharon G. Lias

Quantity Value Units Method Reference Comment
Proton affinity (review)983.1kJ/molN/AHunter and Lias, 1998 
Quantity Value Units Method Reference Comment
Gas basicity950.6kJ/molN/AHunter and Lias, 1998 

Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Additional Data

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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 Chemical Concepts
NIST MS number 149199

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Gas Chromatography

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Van Den Dool and Kratz RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-51772.Lazari, Skaltsa, et al., 200030. m/0.25 mm/0.25 μm, He, 50. C @ 5. min, 4. K/min; Tend: 280. C

Normal alkane RI, non-polar column, temperature ramp

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Column type Active phase I Reference Comment
CapillaryHP-5 MS1790.Pripdeevech and Saansoomchai, 201330. m/0.25 mm/0.25 μm, Helium, 3. K/min; Tstart: 60. C; Tend: 230. C
CapillaryHP-5 MS1772.Jian-Yu, Zhu, et al., 201230. m/0.25 mm/0.25 μm, Helium, 40. C @ 1. min, 3. K/min, 250. C @ 3. min
CapillaryDB-5MS1778.Maia, Zoghbi, et al., 200230. m/0.25 mm/0.25 μm, He, 3. K/min; Tstart: 60. C; Tend: 240. C

Normal alkane RI, non-polar column, custom temperature program

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Column type Active phase I Reference Comment
CapillaryDB-11734.Nogueira, Marcelo-Curto, et al., 200830. m/0.25 mm/0.25 μm, He; Program: 45C => 3C/min => 175C => 15C/min => 300C (10min)

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.

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]

Lazari, Skaltsa, et al., 2000
Lazari, D.M.; Skaltsa, H.D.; Constantinidis, T., Volatile constituents of Centaurea pelia DC., C. thessala Hausskn. subsp. drakiensis (Freyn Sint.) Georg. and C. zuccariniana DC. from Greece, Flavour Fragr. J., 2000, 15, 1, 7-11, https://doi.org/10.1002/(SICI)1099-1026(200001/02)15:1<7::AID-FFJ860>3.0.CO;2-3 . [all data]

Pripdeevech and Saansoomchai, 2013
Pripdeevech, P.; Saansoomchai, J., Antibacterial activity and chemical composition of essential oil and various extracts of Fagraea fragrans Roxb. flowers, Chiang Mai J. Sci., 2013, 40, 2, 214-223. [all data]

Jian-Yu, Zhu, et al., 2012
Jian-Yu, S.; Zhu, L.; Tian, Y.-J., Chemical composition and antimicrobial activities of essential oil of Matricaria songarica, Int. J. Agriculture Biology, 2012, 14, 1, 107-110. [all data]

Maia, Zoghbi, et al., 2002
Maia, J.G.S.; Zoghbi, M.G.B.; Andrade, E.H.A.; da Silva, M.H.L.; Luz, A.I.R.; da Silva, J.D., Essential oils composition of Eupatorium species growing wild in the Amazon, Biochem. Syst. Ecol., 2002, 30, 11, 1071-1077, https://doi.org/10.1016/S0305-1978(02)00059-5 . [all data]

Nogueira, Marcelo-Curto, et al., 2008
Nogueira, T.; Marcelo-Curto, M.J.; Cristina Figueiredo, A.; Barroso, J.G.; Pedro, L.G.; Rubiolo, P.; Bicchi, C., Chemotaxonomy of Hypericum genus from Portugal: Geographical distribution and essential oils composition of Hypericum perfoliatum, Hypericum humifusum, Hypericum linarifolium and Hypericum pulchrum, Biochem. Syst. Ecol., 2008, 36, 1, 40-50, https://doi.org/10.1016/j.bse.2007.07.004 . [all data]


Notes

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