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Propadienylidene anion


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:   D


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 27754 ± 20 gas D-X 338 360 Tulej, Guthe, et al., 2001


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 1776 ± 30 gas PD Tulej, Guthe, et al., 2001
4 1309 ± 30 gas PD Tulej, Guthe, et al., 2001

State:   C


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 20055 ± 5 gas C-X 445 500 Tulej, Guthe, et al., 2001


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 C3 a-stretch 1860 ± 25 gas PD Tulej, Guthe, et al., 2001
4 1245 ± 25 gas PD Tulej, Guthe, et al., 2001
b1 6 H2CC OPLA 400 ± 12 gas PD Tulej, Guthe, et al., 2001

State:   B


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 18255 ± 5 gas B-X 496 548 Tulej, Guthe, et al., 2001


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

2 C3 a-stretch 1896 ± 12 gas PD Tulej, Guthe, et al., 2001
4 1089 ± 12 gas PD Tulej, Guthe, et al., 2001
5 677 ± 12 gas PD Tulej, Guthe, et al., 2001
6 527 ± 12 gas PD Tulej, Guthe, et al., 2001
8 883 ± 12 gas PD Tulej, Guthe, et al., 2001
9 375 ± 7 gas PD Tulej, Guthe, et al., 2001

State:   ?


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

Td = 14470 ± 65 gas Oakes and Ellison, 1986
Robinson, Polak, et al., 1995

State:   A


 Energy 
 (cm-1
 Med.   Transition   «lambda»min 
 (nm) 
 «lambda»max 
 (nm) 
 References

To = 14284.420 ± 0.005 gas A-X 615 700 Yokoyama, Leach, et al., 1996


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

a1 2 C3 a-stretch 1956 gas PD Yokoyama, Leach, et al., 1996, 2
Tulej, Guthe, et al., 2001
4 C3 s-stretch 1111 gas PD Yokoyama, Leach, et al., 1996, 2
Tulej, Guthe, et al., 2001
b1 6 H2CC OPLA 221.45 gas PD Yokoyama, Leach, et al., 1996, 2
Tulej, Guthe, et al., 2001
b2 9 276.69 gas PD Yokoyama, Leach, et al., 1996, 2

State:   X


Vib. 
sym. 
 No.   Approximate 
 type of mode 
 cm-1   Med.   Method   References

b1 6 H2CC OPLA 385.43 gas PD Yokoyama, Leach, et al., 1996, 2
b2 9 309.24 gas PD Yokoyama, Leach, et al., 1996, 2

Additional references: Jacox, 1998, page 280; Jacox, 2003, page 264

Notes

oEnergy separation between the v = 0 levels of the excited and electronic ground states.
dPhotodissociation threshold

References

Go To: Top, 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.

Tulej, Guthe, et al., 2001
Tulej, M.; Guthe, F.; Pachkov, M.V.; Tikhomirov, K.; Xu, R.; Jungen, M.; Maier, J.P., Feshbach states of the propadienylidene anion H2CCCâ«8364»", Phys. Chem. Chem. Phys., 2001, 3, 21, 4674, https://doi.org/10.1039/b105415p . [all data]

Oakes and Ellison, 1986
Oakes, J.M.; Ellison, G.B., Photoelectron spectroscopy of radical anions, Tetrahedron, 1986, 42, 6263. [all data]

Robinson, Polak, et al., 1995
Robinson, M.S.; Polak, M.L.; Bierbaum, V.M.; DePuy, C.H.; Lineberger, W.C., Experimental Studies of Allene, Methylacetylene, and the Propargyl Radical: Bond Dissociation Energies, Gas-Phase Acidities, and Ion-Molecule Chemistry, J. Am. Chem. Soc., 1995, 117, 25, 6766, https://doi.org/10.1021/ja00130a017 . [all data]

Yokoyama, Leach, et al., 1996
Yokoyama, K.; Leach, G.W.; Kim, J.B.; Lineberger, W.C., Autodetachment spectroscopy and dynamics of dipole bound states of negative ions: 2A1--2B1 transitions of H2CCC-, J. Chem. Phys., 1996, 105, 24, 10696, https://doi.org/10.1063/1.472878 . [all data]

Yokoyama, Leach, et al., 1996, 2
Yokoyama, K.; Leach, G.W.; Kim, J.B.; Lineberger, W.C.; Boldyrev, A.I.; Gutowski, M., Autodetachment spectroscopy and dynamics of vibrationally excited dipole-bound states of H2CCC-, J. Chem. Phys., 1996, 105, 24, 10706, https://doi.org/10.1063/1.472879 . [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]

Jacox, 2003
Jacox, M.E., Vibrational and electronic energy levels of polyatomic transient molecules: supplement B, J. Phys. Chem. Ref. Data, 2003, 32, 1, 1-441, https://doi.org/10.1063/1.1497629 . [all data]


Notes

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