selenium

• Formula: Se
• Molecular weight: 78.96
• IUPAC Standard InChI: InChI=1S/Se Copy

  
• IUPAC Standard InChIKey: BUGBHKTXTAQXES-UHFFFAOYSA-N Copy
• CAS Registry Number: 7782-49-2
• Chemical structure:
  This structure is also available as a 2d Mol file
• Other names: Selenium atom
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Gas phase ion energetics data
  • References
  • Notes
• Other data available:
  • Phase change data
  • Reaction thermochemistry data
  • Ion clustering data
• Data at other public NIST sites:
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  • 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
RDSH - Henry M. Rosenstock, Keith Draxl, Bruce W. Steiner, and John T. Herron
B - John E. Bartmess

View reactions leading to Se⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

References

Go To: Top, Gas phase ion energetics data, Notes

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

Vandevraye, Drag, et al., 2012
Vandevraye, M.; Drag, C.; Blondel, C., Electron affinity of selenium measured by photodetachment microscopy, Phys. Rev. A, 2012, 85, 1, 015401, https://doi.org/10.1103/PhysRevA.85.015401 . [all data]

Mansour, Edge, et al., 1988
Mansour, N.B.; Edge, C.J.; Larson, D.J., Laser Photodetachment Spectroscopy of Se- and S-, Nucl. Instrum. Meth. Phys. Res. B, 1988, 31, 1-2, 313-316, https://doi.org/10.1016/0168-583X(88)90437-5 . [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]

Moore, 1970
Moore, C.E., Ionization potentials and ionization limits derived from the analyses of optical spectra, Natl. Stand. Ref. Data Ser., (U.S. Natl. Bur. Stand.), 1970, 34, 1. [all data]

Notes

Go To: Top, Gas phase ion energetics data, References

• 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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