Naphthalene, 2-bromo-

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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:
B - John E. Bartmess
LL - Sharon G. Lias and Joel F. Liebman

Ionization energy determinations

IE (eV) Method Reference Comment
8.18 ± 0.03TRPIGotkis, Naor, et al., 1993LL

Appearance energy determinations

Ion AE (eV) Other Products MethodReferenceComment
C10H7+11.29BrDERGotkis, Naor, et al., 1993LL
C10H7+12.1 ± 0.1BrTRPIGotkis, Naor, et al., 1993LL

De-protonation reactions

2-bromonaphthalen-7-ide anion + Hydrogen cation = Naphthalene, 2-bromo-

By formula: C10H6Br- + H+ = C10H7Br

Quantity Value Units Method Reference Comment
Δr1633. ± 14.kJ/molBranWenthold and Squires, 1995gas phase; By HO- cleavage of substituted silanes; B
Quantity Value Units Method Reference Comment
Δr1600. ± 14.kJ/molH-TSWenthold and Squires, 1995gas phase; By HO- cleavage of substituted silanes; B

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

2-Bromonaphthalene

Uv/vis Spectrum

370
380
390
400
410
420
430
440
450
460
470
480
490
500
510
520
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
Wavelength (nm)
Logarithm epsilon

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 Japan AIST/NIMC Database- Spectrum MS-NW-1816
NIST MS number 228719

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UV/Visible spectrum

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 by: Victor Talrose, Eugeny B. Stern, Antonina A. Goncharova, Natalia A. Messineva, Natalia V. Trusova, Margarita V. Efimkina

Spectrum

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UVVis spectrum
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Additional Data

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Source McClure, Blake, et al., 1954
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. 994
Instrument n.i.g.
Melting point 59
Boiling point 281.5

References

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, Notes

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

Gotkis, Naor, et al., 1993
Gotkis, Y.; Naor, M.; Laskin, J.; Lifshitz, C.; Faulk, J.D.; Dunbar, R.C., Time-resolved dissociation of bromonaphthalene ion studied by TPIMS and TRPD. Heat of formation of naphthyl ion, J. Am. Chem. Soc., 1993, 115, 7402. [all data]

Wenthold and Squires, 1995
Wenthold, P.G.; Squires, R.R., Determination of the gas-phase acidities of halogen-substituted aromatic compounds using the silane-cleavage method, J. Mass Spectrom., 1995, 30, 1, 17, https://doi.org/10.1002/jms.1190300105 . [all data]

McClure, Blake, et al., 1954
McClure, D.S.; Blake, N.W.; Hanst, P.L., Singlet-triplet absorption bands in some halogen substituted aromatic compounds, J. Chem. Phys., 1954, 22, 2, 255-258. [all data]


Notes

Go To: Top, Gas phase ion energetics data, Mass spectrum (electron ionization), UV/Visible spectrum, References