Al3

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

Electron affinity determinations

EA (eV) Method Reference Comment
1.9160 ± 0.0040LPESVillalta and Leopold, 2009 
1.900 ± 0.030LPESWu, Li, et al., 1998Lower EA values of Taylor, Pettiette, et al., 1988 and Gantef÷r, Meiwes-Broer, et al., 1988 assigned to hot states of anion.
1.90 ± 0.10LPESCha, Ganteför, et al., 1994Stated electron affinity is the Vertical Detachment Energy
<1.89 ± 0.10IMRBHettich, 1989EA less than p-benzoquinone
<1.43 ± 0.15LPESGantefoer, Gause, et al., 1988Vertical Detachment Energy: 1.63 eV
<1.40 ± 0.20LPESGantef÷r, Meiwes-Broer, et al., 1988EA given is Vertical Detachment Energy. Adiabatic EA est as up to 1 eV smaller
<1.53 ± 0.10LPESTaylor, Pettiette, et al., 1988EA given is Vertical Detachment Energy. Adiabatic EA est as up to 1 eV smaller

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:   ?
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 16610 T gas A-X 516 602 Fu, Lemire, et al., 1988

State:   2B2
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 5690 ± 40 gas Villalta and Leopold, 2009

State:   4A2
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 2420 ± 30 gas Villalta and Leopold, 2009
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1 1 315 ± 15 gas PE Villalta and Leopold, 2009
2 140 ± 10 gas PE Villalta and Leopold, 2009

State:   2A2
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 1550 ± 30 gas Villalta and Leopold, 2009
To = 1770.4 ± 0.3 Ne Li, Van Zee, et al., 1996
To = 1756.9 ± 0.3 Ar Li, Van Zee, et al., 1996
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1' 1 Breathing 315 ± 15 gas PE Villalta and Leopold, 2009
1 Breathing 319 ± 2 Ne IR Li, Van Zee, et al., 1996
1 Breathing 317 Ar IR Li, Van Zee, et al., 1996
e' 2 Deformation 197 ± 10 gas PE Villalta and Leopold, 2009

State:   ?

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
1 270.6 gas MPI Fu, Lemire, et al., 1988

State:   ?

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
2 205 gas MPI Fu, Lemire, et al., 1988

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a1' 1 Breathing 357 ± 10 gas PE Villalta and Leopold, 2009
e' 2 Deformation 240 ± 10 gas PE Villalta and Leopold, 2009
2 Deformation 245 ± 2 Ne IR Li, Van Zee, et al., 1996
2 Deformation 245 Ar IR Li, Van Zee, et al., 1996

Additional references: Jacox, 1994, page 62; Jacox, 1998, page 162; Hamrick, Van Zee, et al., 1992

Notes

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

References

Go To: Top, Gas phase ion energetics data, Vibrational and/or electronic energy levels, Notes

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

Villalta and Leopold, 2009
Villalta, P.W.; Leopold, D.G., A study of the ground and excited states of Al-3 and Al-3(-). I. 488 nm anion photoelectron spectrum, J. Chem. Phys., 2009, 130, 2, 024303, https://doi.org/10.1063/1.2973625 . [all data]

Wu, Li, et al., 1998
Wu, H.; Li, X.; Wang, X.-B.; Ding, C.-F.; Wang, L.-S., Al3Oy (y=0-5) Clusters: Sequential Oxidation, Metal-to-oxide Transformation, and Photoisomerization., J. Chem. Phys., 1998, 109, 2, 449, https://doi.org/10.1063/1.476583 . [all data]

Taylor, Pettiette, et al., 1988
Taylor, K.J.; Pettiette, C.L.; Craycraft, M.J.; Chesnovsky, O.; Smalley, R.E., Ultraviolet Photoelectron Spectroscopy of Negative Aluminum Clusters, Chem. Phys. Lett., 1988, 152, 4-5, 347, https://doi.org/10.1016/0009-2614(88)80104-0 . [all data]

Gantef÷r, Meiwes-Broer, et al., 1988
Gantef÷r, G.; Meiwes-Broer, K.H.; Lutz, H.O., Photodetachment Spectroscopy of Cold Aluminum Cluster Anions, Phys. Rev. A, 1988, 37, 7, 2716, https://doi.org/10.1103/PhysRevA.37.2716 . [all data]

Cha, Ganteför, et al., 1994
Cha, C.-Y.; Ganteför, G.; Eberhardt, W., The Development of the 3p and 4p Valence Band of Small Aluminum and Gallium Clusters, J. Chem. Phys., 1994, 100, 2, 995, https://doi.org/10.1063/1.466582 . [all data]

Hettich, 1989
Hettich, R., Structural Investigations of Aluminum Cluster Ions, Aln- (n=3-50), J. Am. Chem. Soc., 1989, 111, 23, 8582, https://doi.org/10.1021/ja00205a004 . [all data]

Gantefoer, Gause, et al., 1988
Gantefoer, G.; Gause, G.; Meiwes-Broer, K.H.; Lutz, H.O., Photoelectron Spectroscopy of Jet-cooled Aluminium Cluster Anions, Z. Phys. D, 1988, 9, 3, 253, https://doi.org/10.1007/BF01438297 . [all data]

Fu, Lemire, et al., 1988
Fu, Z.; Lemire, G.W.; Hamrick, Y.M.; Taylor, S.; Shui, J.-C.; Morse, M.D., Spectroscopic studies of the jet-cooled aluminum trimer, J. Chem. Phys., 1988, 88, 6, 3524, https://doi.org/10.1063/1.453900 . [all data]

Li, Van Zee, et al., 1996
Li, S.; Van Zee, R.J.; Weltner, W., Jr., Infrared observations of the B3 and Al3 molecules in inert-gas matrices at 4 K, Chem. Phys. Lett., 1996, 262, 3-4, 298, https://doi.org/10.1016/0009-2614(96)01094-9 . [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]

Hamrick, Van Zee, et al., 1992
Hamrick, Y.M.; Van Zee, R.J.; Weltner, W., Jr., Electron-spin resonance and ground states of the boron and aluminum trimers, J. Chem. Phys., 1992, 96, 3, 1767, https://doi.org/10.1063/1.462132 . [all data]

Notes

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