AsF2

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 by: John E. Bartmess

View reactions leading to AsF2+ (ion structure unspecified)

Electron affinity determinations

EA (eV) Method Reference Comment
0.80 ± 0.10EIAEPabst, Margrave, et al., 1978From AsF3. G3MP2B3 calculations indicate an EA of ca. 1.2 eV
0.799982EIAEPabst, Bennett, et al., 1976From AsF3.

Vibrational and/or electronic energy levels

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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: Marilyn E. Jacox

State:   H
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 57480 ± 15 gas Brum and Hudgens, 1997
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 Sym. stretch 810 ± 10 gas MPI Brum and Hudgens, 1997
2 Bend 310 ± 20 gas MPI Brum and Hudgens, 1997

State:   F
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 54355 ± 15 gas Brum and Hudgens, 1997
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 Sym. stretch 813 ± 6 gas MPI Brum and Hudgens, 1997
2 Bend 308 ± 5 gas MPI Brum and Hudgens, 1997

State:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
Tx = 22000 T gas 330 610 Ni, Wang, et al., 1988

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 Sym. stretch 705 ± 10 gas MPI Brum and Hudgens, 1997
2 Bend 285 ± 10 gas MPI Brum and Hudgens, 1997

Additional references: Jacox, 1994, page 109; Jacox, 1998, page 203; Ye, Suto, et al., 1989

Notes

TTentative assignment or approximate value
oEnergy separation between the v = 0 levels of the excited and electronic ground states.
xEnergy separation between the band maximum of the excited electronic state and the v = 0 level of the ground state.

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.

Pabst, Margrave, et al., 1978
Pabst, R.E.; Margrave, J.L.; Franklin, J.L., Energy distribution in the products of ionic decomposition, Adv. Mass Spectrom., 1978, 7, 1217. [all data]

Pabst, Bennett, et al., 1976
Pabst, R.E.; Bennett, S.L.; Franklin, J.L.; Margrave, J.L., Negative ion electron impact studies of arsenic trihalides: AsF3, AsCl3, and AsBr3, J. Chem. Phys., 1976, 64, 1550. [all data]

Brum and Hudgens, 1997
Brum, J.L.; Hudgens, J.W., Spectroscopic characterization of the AsF2 radical, J. Chem. Phys., 1997, 106, 2, https://doi.org/10.1063/1.473389 . [all data]

Ni, Wang, et al., 1988
Ni, Y.; Wang, X.; Suto, M.; Lee, L.C., Quantitative photoabsorption and fluorescence spectroscopy of AsF, J. Phys. B, 1988, 21, 10, 1821, https://doi.org/10.1088/0953-4075/21/10/014 . [all data]

Jacox, 1994
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules, American Chemical Society, Washington, DC, 1994, 464. [all data]

Jacox, 1998
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement A, J. Phys. Chem. Ref. Data, 1998, 27, 2, 115-393, https://doi.org/10.1063/1.556017 . [all data]

Ye, Suto, et al., 1989
Ye, C.; Suto, M.; Lee, L.C.; Chuang, T.J., Radiative lifetime and quenching rate constant of AsF, J. Phys. B, 1989, 22, 16, 2527, https://doi.org/10.1088/0953-4075/22/16/010 . [all data]

Notes

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