HCOOH+

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:   E
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 45580 ± 20 gas Brundle, Turner, et al., 1969
Kimura, Katsumata, et al., 1975
Leach, Schwell, et al., 2003
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' CO stretch 1896 ± 20 gas PE Leach, Schwell, et al., 2003
CO stretch 1307 ± 20 gas PE Brundle, Turner, et al., 1969
Watanabe, Yokoyama, et al., 1973
Leach, Schwell, et al., 2003
916 ± 20 gas PE Leach, Schwell, et al., 2003
615 ± 20 gas PE Leach, Schwell, et al., 2003

State:   D
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 45050 ± 20 gas Leach, Schwell, et al., 2003

State:   C
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 32470 T gas Brundle, Turner, et al., 1969
Kimura, Katsumata, et al., 1975
Leach, Schwell, et al., 2003
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 940 gas PE Brundle, Turner, et al., 1969
Leach, Schwell, et al., 2003

State:   B
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 22790 T gas Brundle, Turner, et al., 1969
Kimura, Katsumata, et al., 1975
Leach, Schwell, et al., 2003
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 1260 T gas PE Brundle, Turner, et al., 1969
Leach, Schwell, et al., 2003

State:   A
 Energy 
 (cm-1) 		  Med.   Transition   λmin 
 (nm) 		  λmax 
 (nm) 		  References
To = 8495 ± 25 gas Brundle, Turner, et al., 1969
Kimura, Katsumata, et al., 1975
Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 3232 ± 20 T gas PE Leach, Schwell, et al., 2003
CO stretch 2343 ± 20 T gas PE Brundle, Turner, et al., 1969
Watanabe, Yokoyama, et al., 1973
Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
1398 ± 20 gas PE Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
1029 ± 20 gas PE Brundle, Turner, et al., 1969
Watanabe, Yokoyama, et al., 1973
Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
574 ± 20 gas PE Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003

State:   X

Vib. 
sym. 		  No.   Approximate 
 type of mode 		  cm-1   Med.   Method   References
a' 1 OH stretch 3412.0 Ne IR Forney, Jacox, et al., 2003
3 CO stretch 1495 ± 20 gas PE Brundle, Turner, et al., 1969
Watanabe, Yokoyama, et al., 1973
Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
3 CO stretch 1497.7 Ne IR Forney, Jacox, et al., 2003
5 1196 ± 20 gas PE Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
6 1143.7 Ne IR Forney, Jacox, et al., 2003
7 510 ± 20 gas PE Schwell, Leach, et al., 2001
Leach, Schwell, et al., 2003
a 9 679.3 Ne IR Forney, Jacox, et al., 2003

Additional references: Jacox, 1994, page 257; Jacox, 2003, page 268

Notes

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

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.

Brundle, Turner, et al., 1969
Brundle, C.R.; Turner, D.W.; Robin, M.B.; Basch, H., Photoelectron spectroscopy of simple amides and carboxylic acids, Chem. Phys. Lett., 1969, 3, 292. [all data]

Kimura, Katsumata, et al., 1975
Kimura, K.; Katsumata, S.; Yamazaki, T.; Wakabayashi, H., UV photoelectron spectra and sum rule consideration; out-of-plane orbitals of unsaturated compounds with planar-skeleton structure, J. Electron Spectrosc. Relat. Phenom., 1975, 6, 41. [all data]

Leach, Schwell, et al., 2003
Leach, S.; Schwell, M.; Talbi, D.; Berthier, G.; Hottmann, K.; Jochims, J.-W.; Baumgartel, H., He I photoelectron spectroscopy of four isotopologues of formic acid: HCOOH, HCOOD, DCOOH and DCOOD, Chem. Phys., 2003, 286, 1, 15, https://doi.org/10.1016/S0301-0104(02)00917-5 . [all data]

Watanabe, Yokoyama, et al., 1973
Watanabe, I.; Yokoyama, Y.; Ikeda, S., Vibrational structures in the photoelectron spectrum of formic acid, Chem. Phys. Lett., 1973, 19, 406. [all data]

Schwell, Leach, et al., 2001
Schwell, M.; Leach, S.; Hottmann, K.; Jochims, H.-W.; Baumgartel, H., He I photoelectron spectroscopy of formic acid isotopomers HCOOH and DCOOD, Chem. Phys., 2001, 272, 1, 77, https://doi.org/10.1016/S0301-0104(01)00443-8 . [all data]

Forney, Jacox, et al., 2003
Forney, D.; Jacox, M.E.; Thompson, W.E., Infrared spectra of trans-HOCO, HCOOH[sup +], and HCO[sub 2][sup -] trapped in solid neon, J. Chem. Phys., 2003, 119, 20, 10814, https://doi.org/10.1063/1.1621382 . [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, 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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