arsenic

• Formula: As
• Molecular weight: 74.92160
• IUPAC Standard InChI: InChI=1S/As Copy

  
• IUPAC Standard InChIKey: RQNWIZPPADIBDY-UHFFFAOYSA-N Copy
• CAS Registry Number: 7440-38-2
• Chemical structure:
  This structure is also available as a 2d Mol file
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• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Reaction thermochemistry data
• Data at other public NIST sites:
  • NIST Atomic Spectra Database - Lines Holdings (on physics web site)
  • NIST Atomic Spectra Database - Levels Holdings (on physics web site)
  • NIST Atomic Spectra Database - Ground states and ionization energies (on physics web site)
  • Gas Phase Kinetics Database
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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 evaluated as indicated in comments:
L - Sharon G. Lias

Data compiled as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
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
B - John E. Bartmess

View reactions leading to As⁺ (ion structure unspecified)

Electron affinity determinations

Ionization 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.

Walter, Gibson, et al., 2009
Walter, C.W.; Gibson, N.D.; Field, R.L.; Snedden, A.P.; Shapiro, J.Z.; Janczak, C.M.; Hanstorp, D., Electron affinity of arsenic and the fine structure of As- measured using infrared photodetachment threshold spectroscopy, Phys. Rev. A, 2009, 80, 1, 014501, https://doi.org/10.1103/PhysRevA.80.014501 . [all data]

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]

Feldmann, Rackwitx, et al., 1977
Feldmann, D.; Rackwitx, R.; Heinicke, E.; Kaiser, H.J., Photodetachment of Some Atomic Negative Ions: P-, As-, Sb-, Te-, Cr-, Ni-, Z. Physik A., 1977, 282, 2, 143-148, https://doi.org/10.1007/BF01408156 . [all data]

Lide, 1992
Lide, D.R. (Editor), Ionization potentials of atoms and atomic ions in Handbook of Chem. and Phys., 1992, 10-211. [all data]

Kelly, 1987
Kelly, R.L., Atomic and ionic spectrum lines of hydrogen through kryton, J. Phys. Chem. Ref. Data, 1987, 16. [all data]

Lau, Brittain, et al., 1981
Lau, K.H.; Brittain, R.D.; Hildenbrand, D.L., The dissociation energy of AsO from gaseous equilibrium measurements, Chem. Phys. Lett., 1981, 81, 227. [all data]

Munir, Street, et al., 1971
Munir, Z.A.; Street, G.B.; Winters, H.F., Mass-spectrometric and vapor pressure studies on the sublimation of realgar (As₄S₄), J. Chem. Phys., 1971, 55, 4520. [all data]

Bhatia and Jones, 1971
Bhatia, K.S.; Jones, W.E., Autoionized series in the arc spectrum of arsenic, Can. J. Phys., 1971, 49, 1773. [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity
  IE (evaluated)	Recommended ionization energy

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