Acetylene, bromo-

• Formula: C₂HBr
• Molecular weight: 104.933
• IUPAC Standard InChI: InChI=1S/C2HBr/c1-2-3/h1H Copy

  
• IUPAC Standard InChIKey: RUEKPBLTWGFBOD-UHFFFAOYSA-N Copy
• CAS Registry Number: 593-61-3
• Chemical structure:
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• Information on this page:
  • Gas phase thermochemistry data
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Vibrational and/or electronic energy levels
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  • Gas Phase Kinetics Database
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Gas phase thermochemistry 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: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

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:
L - 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

Ionization energy determinations

Appearance energy determinations

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.

Okabe, 1975
Okabe, H., Photodissociation of acetylene and bromoacetylene in the vacuum ultraviolet. Production of electronically excited ethynyl and ethynylene molecules, J. Chem. Phys., 1975, 62, 2782-2787. [all data]

Allan, Kloster-Jensen, et al., 1977
Allan, M.; Kloster-Jensen, E.; Maier, J.P., Emission spectra of Cl-C≡C-H⁺, Br-C≡C-H⁺ and I-C≡C-H⁺ radical cations: A²Π → X.²Π band systems and the decay of the A²Π states, J. Chem. Soc. Faraday Trans. 2, 1977, 73, 1406. [all data]

Evans, Scheps, et al., 1973
Evans, K.; Scheps, R.; Rice, S.A.; Heller, D., Primary photochemical and photophysical processes in chloro- and bromo-acetylene, J. Chem. Soc. Faraday Trans. 2, 1973, 69, 856. [all data]

Kloster-Jensen, Pascual, et al., 1970
Kloster-Jensen, E.; Pascual, C.; Vogt, J., Mass spectrometric studies of mono- and di-haloacetylenes,, Helv. Chim. Acta, 1970, 53, 2109. [all data]

Haink, Heilbronner, et al., 1970
Haink, H.J.; Heilbronner, E.; Hornung, V.; KlosterJensen, E., Die Photoelektron-Spektren der Monohalogenacetylene, Helv. Chim. Acta, 1970, 53, 1073. [all data]

Eland, 1979
Eland, J.H.D., Dissociations of state-selected C₂H₂⁺, H₂S⁺ and D₂S⁺ ions studied by photoelectron-photoion coincidence spectroscopy, Int. J. Mass Spectrom. Ion Phys., 1979, 31, 161. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  IE (evaluated)	Recommended ionization energy
  ΔfH°gas	Enthalpy of formation of gas at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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