Arsenic dimer

• Formula: As₂
• Molecular weight: 149.84320
• CAS Registry Number: 23878-46-8
• Information on this page:
  • Gas phase ion energetics data
  • Constants of diatomic molecules
  • References
  • Notes
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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:
LBLHLM - Sharon G. Lias, John E. Bartmess, Joel F. Liebman, John L. Holmes, Rhoda D. Levin, and W. Gary Mallard
LLK - Sharon G. Lias, Rhoda D. Levin, and Sherif A. Kafafi
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to As₂⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

Appearance energy determinations

Constants of diatomic molecules

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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: Klaus P. Huber and Gerhard H. Herzberg

Data collected through January, 1976

Notes

References

Go To: Top, Gas phase ion energetics data, Constants of diatomic molecules, Notes

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

Lippa, Xu, et al., 1998
Lippa, T.P.; Xu, S.J.; Lyapustina, S.A.; Nilles, J.M.; Bowen, K.H., Photoelectron spectroscopy of As-, As-2(-), As-3(-), As-4(-), and As-5(-), J. Chem. Phys., 1998, 109, 24, 10727-10731, https://doi.org/10.1063/1.477771 . [all data]

Feldman, Rackwitz, et al., 1977
Feldman, D.; Rackwitz, R.; Kaiser, H.J.; Heincke, E., Photodetachment bei einigen neagtiven molekulionen: P₂-, As₂-, CH₂-, CH₃-, S₃-, Z. Naturforsch. A:, 1977, 32, 600. [all data]

Bennett, Margrave, et al., 1973
Bennett, S.L.; Margrave, J.L.; Franklin, J.L.; Hudson, J.E., High temperature negative ions: Electron impact of As₄ vapor, J. Chem. Phys., 1973, 59, 5814. [all data]

Hirayama, Straw, et al., 1985
Hirayama, C.; Straw, R.D.; Hobgood, H.M., Equilibria over gas in the Knudsen cell range, J. Less-Common Met., 1985, 109, 331. [all data]

Lau, Brittain, et al., 1982
Lau, K.H.; Brittain, R.D.; Hildenbrand, D.L., Vaporization of As₂S₃ and the dissociation energy of AsS, J. Phys. Chem., 1982, 86, 4429. [all data]

Donovan and Strachan, 1971
Donovan, R.J.; Strachan, P., Vacuum U.-V. spectra of transient molecules and radicals, J. Chem. Soc. Faraday Trans., 1971, 67, 3407. [all data]

DeMaria, Malaspina, et al., 1970
DeMaria, G.; Malaspina, L.; Piacente, V., Mass spectrometric study of the GaAs system, J. Chem. Phys., 1970, 52, 1019. [all data]

Gutbier, 1961
Gutbier, H., Massenspektrometrische Untersuchungen der Verdampfungsvorgange bei einigen Verbindungen mit Zinkblende-Gitter im Temperaturbereich um 1000 degree K, Z. Naturforsch. A:, 1961, 16, 268. [all data]

Topouzkhanian and Sibai, 1972
Topouzkhanian, A.; Sibai, A.M., Spectres d'absorption dans l'ultraviolet du vide de vapeurs d'arsenic diatomique, Spectrochim. Acta, 1972, 28, 2197. [all data]

Sibai, Perdigon, et al., 1974
Sibai, A.M.; Perdigon, P.; Topouzkhanian, A., Absorption spectrum of As₂. Further analysis of the A → X system and observation of new electronic states, Z. Naturforsch. A, 1974, 29, 429. [all data]

Almy and Kinzer, 1935
Almy, G.M.; Kinzer, G.D., The emission spectrum of diatomic arsenic, Phys. Rev., 1935, 47, 721. [all data]

Almy, 1937
Almy, G.M., Spectra of diatomic molecules of elements of the fifth group, J. Phys. Chem., 1937, 41, 47. [all data]

Kinzer and Almy, 1937
Kinzer, G.D.; Almy, G.M., The emission spectrum of diatomic arsenic. II, Phys. Rev., 1937, 52, 814. [all data]

Gibson and Macfarlane, 1934
Gibson, G.E.; Macfarlane, A., The absorption spectrum of arsenic, Phys. Rev., 1934, 46, 1059. [all data]

Perdigon and d'Incan, 1970
Perdigon, P.; d'Incan, J., Le spectre electronique de la molecule As₂, Can. J. Phys., 1970, 48, 1140. [all data]

Perdigon, Martin, et al., 1970
Perdigon, P.; Martin, F.; d'Incan, J., The mutual perturbations of A¹Σ_u⁺ (v = 2) and B¹Σ_u⁺ (v = 0) levels of As₂ molecule, J. Mol. Spectrosc., 1970, 36, 341. [all data]

Martin, Perdigon, et al., 1974
Martin, F.; Perdigon, P.; d'Incan, J., An extensive rotational analysis of A → X and B → X systems in the emission spectrum of As₂ molecule, J. Mol. Spectrosc., 1974, 50, 45. [all data]

Martin, Figuet, et al., 1975
Martin, F.; Figuet, J.; Perdigon, P., Evidence for bands arising from A¹Σ_u⁺ (v = 3) level in the spectrum of As₂, J. Mol. Spectrosc., 1975, 57, 319. [all data]

Mrozowski and Santaram, 1967
Mrozowski, S.; Santaram, C., Electronic spectra of P₂, As₂, and Sb₂ molecules, J. Opt. Soc. Am., 1967, 57, 522. [all data]

Notes

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• Symbols used in this document:
  

  AE	Appearance energy
  EA	Electron affinity

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