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HS2


Reaction thermochemistry data

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

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

Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.

Individual Reactions

S2- + Hydrogen cation = HS2

By formula: S2- + H+ = HS2

Quantity Value Units Method Reference Comment
Deltar329.9 ± 3.7kcal/molD-EAMoran and Ellison, 1988gas phase
Quantity Value Units Method Reference Comment
Deltar>344.60kcal/molIMRBGoodings, Bohme, et al., 1986gas phase; S- deprotonates H2S, Sn- for n>=2, does not.

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, References, Notes

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

De-protonation reactions

S2- + Hydrogen cation = HS2

By formula: S2- + H+ = HS2

Quantity Value Units Method Reference Comment
Deltar329.9 ± 3.7kcal/molD-EAMoran and Ellison, 1988gas phase
Quantity Value Units Method Reference Comment
Deltar>344.60kcal/molIMRBGoodings, Bohme, et al., 1986gas phase; S- deprotonates H2S, Sn- for n>=2, does not.

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, References, Notes

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:   B?


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

gas 307 380 Porter, 1950
Strausz, Donovan, et al., 1968
Gosavi, deSorgo, et al., 1973


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

a' 1 SH stretch 2500 T gas AB Gosavi, deSorgo, et al., 1973
2 Bend 900 T gas AB Gosavi, deSorgo, et al., 1973
3 SS stretch 600 T gas AB Gosavi, deSorgo, et al., 1973

State:   A


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

To = 7254.04 gas A-X 950 2100 Holstein, Fink, et al., 1985
Ashworth and Fink, 2007
Entfellner and Boesl, 2009


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

a' 1 SH stretch 2550 ± 200 gas PE Entfellner and Boesl, 2009
2 Bend 808 ± 10 gas CL Ashworth and Fink, 2007
3 SS stretch 504.53 gas CL Holstein, Fink, et al., 1985
Ashworth and Fink, 2007

State:   X


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

a' 1 SH stretch 2688 ± 10 gas CL Ashworth and Fink, 2007
1 SH stretch 2463 T Ar IR Isoniemi, Khriachtchev, et al., 1999
1 SH stretch 2460 T Ar IR Isoniemi, Khriachtchev, et al., 1999
2 Bend 892 ± 10 gas CL Holstein, Fink, et al., 1985
Ashworth and Fink, 2007
2 Bend 903 T Ar IR Isoniemi, Khriachtchev, et al., 1999
3 SS stretch 596.28 gas CL Holstein, Fink, et al., 1985
Ashworth and Fink, 2007

Additional references: Jacox, 1994, page 50; Jacox, 1998, page 154; Jacox, 2003, page 44; Yamamoto and Saito, 1994; Ashworth, Evenson, et al., 1995; Tanimoto, Klaus, et al., 2000

Notes

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

References

Go To: Top, Reaction thermochemistry data, 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.

Moran and Ellison, 1988
Moran, S.; Ellison, G.B., Photoelectron Spectroscopy of Sulfur Ions, J. Phys. Chem., 1988, 92, 7, 1794, https://doi.org/10.1021/j100318a021 . [all data]

Goodings, Bohme, et al., 1986
Goodings, J.M.; Bohme, D.K.; Elguindi, K.; Fox, A., Sulphur Anion Chemistry in Hydrocarbon Flames with H2S, OCS, and SO2 Additives, Can. J. Chem., 1986, 64, 4, 689, https://doi.org/10.1139/v86-110 . [all data]

Porter, 1950
Porter, G., The absorption spectroscopy of substances of short life, Discuss. Faraday Soc., 1950, 9, 60, https://doi.org/10.1039/df9500900060 . [all data]

Strausz, Donovan, et al., 1968
Strausz, O.P.; Donovan, R.J.; deSorgo, M., Ber. Bunsenges. Phys. Chem., 1968, 72, 253. [all data]

Gosavi, deSorgo, et al., 1973
Gosavi, R.K.; deSorgo, M.; Gunning, H.E.; Strausz, O.P., The UV absorption spectrum and geometry of the HS2 radical, Chem. Phys. Lett., 1973, 21, 2, 318, https://doi.org/10.1016/0009-2614(73)80145-9 . [all data]

Holstein, Fink, et al., 1985
Holstein, K.J.; Fink, E.H.; Wildt, J.; Zabel, F., Ã2A´ » X2A´' emission spectrum of the HS2 radical, Chem. Phys. Lett., 1985, 113, 1, 1, https://doi.org/10.1016/0009-2614(85)85001-6 . [all data]

Ashworth and Fink, 2007
Ashworth, S.H.; Fink, E.H., The high resolution Fourier-transform chemiluminescence spectrum of the HS, Mol. Phys., 2007, 105, 5-7, 715, https://doi.org/10.1080/00268970601146880 . [all data]

Entfellner and Boesl, 2009
Entfellner, M.; Boesl, U., Photodetachment-photoelectron spectroscopy of disulfanide: the ground and first excited electronic state of HS2 and DS2, Phys. Chem. Chem. Phys., 2009, 11, 15, 2657, https://doi.org/10.1039/b820174a . [all data]

Isoniemi, Khriachtchev, et al., 1999
Isoniemi, E.; Khriachtchev, L.; Pettersson, M.; Rasanen, M., Infrared spectroscopy and 266 nm photolysis of H2S2 in solid Ar, Chem. Phys. Lett., 1999, 311, 1-2, 47, https://doi.org/10.1016/S0009-2614(99)00756-3 . [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]

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]

Yamamoto and Saito, 1994
Yamamoto, S.; Saito, S., Microwave spectrum and molecular structure of the HS, Can. J. Phys., 1994, 72, 11-12, 954, https://doi.org/10.1139/p94-125 . [all data]

Ashworth, Evenson, et al., 1995
Ashworth, S.H.; Evenson, K.M.; Brown, J.M., Identification and Analysis of the Far-Infrared Laser Magnetic Resonance Spectrum of the HS2 Radical, J. Mol. Spectrosc., 1995, 172, 1, 282, https://doi.org/10.1006/jmsp.1995.1176 . [all data]

Tanimoto, Klaus, et al., 2000
Tanimoto, M.; Klaus, T.; Muller, H.S.P.; Winnewisser, G., Rotational Spectra of the Thiosulfeno Radical, HSS and DSS, between 0.3 and 0.9 THz, J. Mol. Spectrosc., 2000, 199, 1, 73, https://doi.org/10.1006/jmsp.1999.7990 . [all data]


Notes

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