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Electron affinity (data page)

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Element Electron affinity
Hydrogen 72.77 Pekeris (1962). Lykke, Murray & Lineberger (1991).
Lithium 59.62 Hotop & Lineberger (1985). Dellwo et al. (1992). Haeffler et al. (1996a).
Boron 26.99 Scheer, Bilodeau & Haugen (1998).
Carbon 121.78 Scheer et al. (1998a).
Oxygen 141.004 Hotop & Lineberger (1985). Blondel (1995). Valli, Blondel & Delsart (1999).
Fluorine 328.165 Blondel et al. (1989). Blondel, Delsart & Goldfarb (2001).
Sodium 52.87 Hotop & Lineberger (1985)
Aluminium 41.86 Scheer et al. (1998b)
Silicon 134.07 Scheer et al. (1998a). Blondel, Delsart & Goldfarb (2001).
Phosphorus 72.03 Hotop & Lineberger (1985).
Sulfur 200.410 Blondel (1995).
Chlorine 349 Moore (1970).
Potassium 48.38 Slater et al. (1978). Andersson et al. (2000).
Calcium 2.37 Petrunin et al. (1996).
Scandium 18(2) Feigerle, Herman & Lineberger (1981).
Titanium 8.4(7) Ilin, Sakharov & Serenkov (1987).
Vanadium 51 Hotop & Lineberger (1985).
Chromium 65.2 Bilodeau, Scheer & Haugen (1998).
Iron 14.6(3) Leopold & Lineberger (1986).
Cobalt 64.0 Scheer et al. (1998c).
Nickel 111.6 Scheer et al. (1998c).
Copper 119.24 Bilodeau, Scheer & Haugen (1998).
Gallium 41(3) Williams et al. (1998a).
Germanium 118.94 Scheer et al. (1998a).
Arsenic 78.5(7) Lippa et al. (1998).
Selenium 194.97 Hotop & Lineberger (1985). Mansour et al. (1988).
Bromine 342.54 Blondel et al. (1989).
Rubidium 46.89 Frey, Breyer & Hotop (1978).
Strontium 5.02 Andersen et al. (1997).
Yttrium 30 Feigerle, Herman & Lineberger (1981).
Zirconium 41 Hotop & Lineberger (1985).
Niobium 86(2) Hotop & Lineberger (1985).
Molybdenum 72.3 Bilodeau, Scheer & Haugen (1998).
Ruthenium 101.0 Norquist et al. (1999).
Rhodium 110.3 Scheer et al. (1998c).
Palladium 54.24 Scheer et al. (1998c).
Silver 125.86 Biladeau, Scheer & Haugen (1998).
Indium 39 Williams et al. (1998b).
Tin 107.30 Scheer et al. (1998a).
Antimony 101.06 Scheer, Haugen & Beck (1997).
Tellurium 190.16 Hotop & Lineberger (1985). Haeffler et al. (1996b).
Iodine 295 Moore (1970).
Caesium 45.51 Slater et al. (1978). Scheer et al. (1998d).
Barium 13.95 Petrunin et al. (1995).
Lanthanum 45(2) Covington et al. (1998).
Cerium 92(2) Davis & Thompson (2002a).
Thulium 99(2) Davis & Thompson (2002b).
Lutetium 33 Davis & Thompson (2001).
Tantalum 31 Hotop & Lineberger (1985).
Tungsten 79 Hotop & Lineberger (1985). Bengali et al. (1992).
Osmium 104.0 Biladeau & Haugen (2000).
Iridium 150.9 Biladeau et al. (1999).
Platinum 205.04 Biladeau et al. (1999).
Gold 222.75 Hotop & Lineberger (1985).
Thallium 36 Carpenter, Covington & Thompson (2000).
Lead 35 Hotop & Lineberger (1985).
Bismuth 90.92 Biladeau & Haugen (2001).


Molecule Electron affinity
Dibromine 244 Janousek & Brauman (1979)
Dichlorine 227 Janousek & Brauman (1979)
Difluorine 297 Janousek & Brauman (1979)
Diiodine 246 Janousek & Brauman (1979)
Dioxygen 43 CRC Handbook
Iodine bromide 251 Janousek & Brauman (1979)
Lithium chloride 59 Janousek & Brauman (1979)
Nitric oxide 2 Janousek & Brauman (1979)
Nitrogen dioxide 222 Janousek & Brauman (1979)
Sulfur dioxide 105 Janousek & Brauman (1979)
Larger polyatomics  
Benzene −110 Janousek & Brauman (1979)
p-Benzoquinone 129 CRC Handbook
Boron trifluoride 255 CRC Handbook
Nitric acid 59 Janousek & Brauman (1979)
Nitromethane 38 Janousek & Brauman (1979)
Phosphoryl chloride 134 Janousek & Brauman (1979)
Sulfur hexafluoride 138 CRC Handbook
Tetracyanoethylene 278 CRC Handbook
Tungsten hexafluoride 264 CRC Handbook
Uranium hexafluoride 280 CRC Handbook


Many of the links to the full text of articles (linked from article titles) require subscription to the journal or payment. The links to abstracts are usually free of charge.

  • Andersen, H.H.; Petrunin, V.V.; Kristensen, P.; Andersen, T. (1997). "Structural properties of the negative strontium ion: Binding energy and fine-structure splitting". Phys. Rev. A 55:3247–49. [Abstract]
  • Andersson, K.T.; Sandstrom, J.; Kiyan, I.Y.; Hanstorp, D.; Pegg, D.J. (2000). "Measurement of the electron affinity of potassium". Phys. Rev. A 62:022503. [Abstract]
  • Bengali, A.A.; Casey, S.M.; Cheng, C.-L.; Dick, J.P.; Fenn, T.; Villaalta, P.W.; Leopold, D.G. (1992). "Negative Ion Photoelectron Spectroscopy of Coordinatively Unsaturated Group VI Metal Carbonyls: Cr(CO)3, Mo(CO)3, and W(CO)3". J. Am. Chem. Soc. 114:5257–68. [Abstract]
  • Bilodeau, R.C.; Haugen, H.K. (2000). "Experimental studies of Os: Observation of a bound-bound electric dipole transition in an atomic negative ion". Phys. Rev. Lett. 85:534–37. [Abstract]
  • Bilodeau, R.C.; Haugen, H.K. (2001). "Electron affinity of Bi using infrared laser photodetachment threshold spectroscopy". Phys. Rev. A 64:024501. [Abstract]
  • Bilodeau, R.C.; Scheer, M.; Haugen, H.K. (1998). "Infrared Laser Photodetachment of Transition Metal Negative Ions: Studies on Cr, Mo, Cu, and Ag". J. Phys. B: At. Mol. Opt. Phys. 31:3885–91.
  • Bilodeau, R.C.; Scheer, M.; Haugen, H.K.; Brooks, R.L. (1999). "Near-threshold Laser Spectroscopy of Iridium and Platinum Negative Ions: Electron Affinities and the Threshold Law". Phys. Rev. A 61:012505. [Abstract]
  • Blondel, C. (1995). "Recent experimental achievements with negative ions". Phys. Scr. T58:31.
  • Blondel, C.; Delsart, C.; Goldfarb, F. (2001). "Electron spectrometry at the μeV level and the electron affinities of Si and F". J. Phys. B: At. Mol. Opt. Phys. 34:L281–88.
  • Blondel, C.; Cacciani, P.; Delsart, C.; Trainham, R. (1989). "High Resolution Determination of the Electron Affinity of Fluorine and Bromine using Crossed Ion and Laser Beams". Phys. Rev. A 40:3698–3701. [Abstract]
  • Carpenter, D.L.; Covington, A.M.; Thompson J.S. (2000). "Laser Photodetachment Electron Spectroscopy of Tl". Phys. Rev. A 61:042501. [Abstract]
  • Covington, A.M.; Calabrese, D.; Thompson, J.S.; Kvale, T.J. (1998). "Measurement of the electron affinity of lanthanum", J. Phys. B: At. Mol. Opt. Phys. 31:L855–60.
  • CRC Handbook of Chemistry and Physics (62nd Edn. (1981); Weast, Robert C. (ed)). Boca Raton, FL: CRC Press. "Section E, General Physical Constants; Electron Affinities".
  • Davis, V.T.; Thompson, J.S. (2001). "Measurement of the electron affinity of lutetium". J. Phys. B: At. Mol. Opt. Phys. 34:L433–37.
  • Davis, V.T.; Thompson, J.S. (2002a). "Measurement of the electron affinity of cerium". Phys. Rev. Lett. 88:073003. [Abstract]
  • Davis, V.T.; Thompson, J.S. (2002b). "Measurement of the electron affinity of thulium". Phys. Rev. A 65:010501. [Abstract]
  • Dellwo, J.; Liu, Y.; Pegg, D.J.; Alton, G.D. (1992). "Near-Threshold Photodetachment of the Li Ion". Phys. Rev. A 45:1544–47. [Abstract]
  • Feigerle, C.S.; Herman, Z.; Lineberger, W.C. (1981). "Laser Photoelectron Spectroscopy of Sc- and Y-: A Determination of the Order of Electron Filling in Transition Metal Anions". J. Electron Spectrosc. Relat. Phenom. 23:441–50. [Abstract]
  • Frey, P.; Breyer, F.; Hotop, H. (1978). "High Resolutions Photodetachment from the Rubidium Negative Ion around the Rb(5p½) Threshold". J. Phys. B: At. Mol. Opt. Phys. 11:L589–94. [Abstract]
  • Haeffler, G.; Hanstorp, G.; Kiyan, I.; Klinkmüller, A.E.; Ljungblad, U.; Pegg, D.J. (1996a). "Electron affinity of Li: A state-selective measurement". Phys. Rev. A 53:4127–31. [Abstract]
  • Haeffler, G.; Klinkmüller, A.E.; Rangell, J.; Berzinsh, U.; Hanstorp, D. (1996b). "The Electron Affinity of Tellurium". Z. Phys. D 38:211.
  • Hotop, H.; Lineberger, W.C. (1985). "Binding energies in atomic negative ions. II". J. Phys. Chem. Ref. Data 14:731.
  • Ilin, R.N.; Sakharov, V.I.; Serenkov, I.T. (1987). "Study of Titanium Negative Ion Using Method of Electron Detachment by an Electric Field". Opt. Spectros. (USSR) 62:578.
  • Janousek, B. K.; Brauman, J. I. (1979). in Gas Phase Ion Chemistry (Bowers, M. T. (Ed.)), Vol. 2. New York: Academic Press. p. 53.
  • Leopold, D.G.; Lineberger, W.C. (1986). "A study of the low-lying electronic states of Fe2 and Co2 by negative ion photoelectron spectroscopy". J. Chem. Phys. 85:51–55. [Abstract]
  • Lippa, T.P.; Xu, S.J.; Lyapustina, S.A.; Nilles, J.M.; Bowen, K.H. (1998) "Photoelectron spectroscopy of As, As2, As3, As4, and As5". J. Chem. Phys. 109:10727–31. [Abstract]
  • Lykke, K.R.; Murray, K.K.; Lineberger, W.C. (1991). "Threshold Photodetachment of H". Phys. Rev. A 43:6104–7. [Abstract]
  • Mansour, N.B.; Edge, C.J.; Larson, D.J. (1988). "Laser Photodetachment Spectroscopy of Se and S". Nucl. Instrum. Meth. Phys. Res. B 31:313–16. [Abstract]
  • Moore, C.E. (1970). National Standard Reference Data Series 34, Washington: National Bureau of Standards, U.S. Government Printing Office.
  • Norquist, P.L.; Beck, D.R.; Bilodeau, R.C.; Scheer, M.; Srawley, R.A.; Haugen, H.K. (1999). "Theoretical and experimental binding energies for the d7s2 4F levels in Ru, including calculated hyperfine structure and M1 decay rates". Phys. Rev. A 59:1896–1902. [Abstract]
  • Pekeris, C.L. (1962). "1 1S, 2 1S, and 2 3S States of H". Phys. Rev. 126:1470–76. [Abstract]
  • Petrunin, V.V.; Volstad, J.D.; Balling, P.; Kristensen, K.; Andersen, T. (1995). "Resonant Ionization Spectroscopy of Ba: Metastable and Stable Ions". Phys. Rev. Lett. 75:1911–14. [Abstract]
  • Petrunin, V.V.; Andersen, H.H.; Balling, P.; Andersen, T. (1996). "Structural Properties of the Negative Calcium Ion: Binding Energies and Fine-structure Splitting". Phys. Rev. Lett. 76:744–47. [Abstract]
  • Scheer, M.; Bilodeau, R.C.; Haugen, H.K. (1998). "Negative ion of boron: An experimental study of the 3P ground state". Phys. Rev. Lett. 80:2562–65.
  • Scheer, M.; Haugen, H.K.; Beck, D.R. (1997). "Single- and Multiphoton Infrared Laser Spectroscopy of Sb: A Case Study". Phys. Rev. Lett. 79:4104–7. [Abstract]
  • Scheer, M.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K. (1998a). "Systematic study of the stable states of C, Si, Ge, and Sn via infrared laser spectroscopy". Phys. Rev. A 58:2844–56. [Abstract]
  • Scheer, M.; Bilodeau, RC; Thogresen, J.; Haugen, HK (1998b). "Threshold Photodetachment of Al: Electron Affinity and Fine Structure". Phys. Rev. A 57:R1493–96. [Abstract]
  • Scheer, M.; Brodie, C.A.; Bilodeau, R.C.; Haugen, H.K. (1998c). "Laser spectroscopic measurements of binding energies and fine-structure splittings of Co, Ni, Rh, and Pd". Phys. Rev. A 58:2051–62. [Abstract]
  • Scheer, M.; Thøgersen, J.; Bilodeau, R.C.; Brodie, C.A.; Haugen, H.K. (1998d). "Experimental Evidence that the 6s6p 3PJ States of Cs are Shape Resonances". Phys. Rev. Lett. 80:684–87. [Abstract]
  • Slater, J.; Read, F.H.; Novick, S.E.; Lineberger, W.C. (1978). "Alkali Negative Ions. III. Multichannel Photodetachment of Cs and K". Phys. Rev. A 17:201–13. [Abstract]
  • Valli, C.; Blondel, C.; Delsart, C. (1999). "Measuring electron affinities with the photodetachment microscope". Phys. Rev. A 59:3809–15. [Abstract]
  • Williams, W.W.; Carpenter, D.L.; Covington, A.M.; Koepnick, M.C.; Calabrese, D.; Thompson, J.S. (1998a). "Laser photodetachment electron spectrometry of Ga". J. Phys. B: At. Mol. Opt. Phys. 31:L341–45. [Abstract]
  • Williams, W.W.; Carpenter, D.L.; Covington, A.M.; Thompson, J.S.; Kvale, T.J.; Seely, D.G. (1998b). "Fine-Structure-Resolved Laser Photodetachment Electron Spectroscopy of In". Phys. Rev. A 58:3582–84. [Abstract]
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