Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

HSS anion


Reaction thermochemistry data

Go To: Top, 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

HS2- + Hydrogen cation = Dihydrogen disulfide

By formula: HS2- + H+ = H2S2

Quantity Value Units Method Reference Comment
Deltar1447. ± 15.kJ/molD-EAEntfellner and Boesl, 2009gas phase
Deltar1448. ± 13.kJ/molG+TSOhair, Depuy, et al., 1993gas phase
Quantity Value Units Method Reference Comment
Deltar1418. ± 15.kJ/molH-TSEntfellner and Boesl, 2009gas phase
Deltar1418. ± 13.kJ/molIMRBOhair, Depuy, et al., 1993gas phase

(HS2- bullet 4294967295Sulfur dimer) + Sulfur dimer = HS2-

By formula: (HS2- bullet 4294967295S2) + S2 = HS2-

Quantity Value Units Method Reference Comment
Deltar341. ± 15.kJ/molN/AEntfellner and Boesl, 2009gas phase
Deltar195. ± 15.kJ/molTherMoran and Ellison, 1988gas phase

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry 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:   ?


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

Td = 15460 ± 120 gas Moran and Ellison, 1988
Entfellner and Boesl, 2009, 2

State:   X


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

a' 3 SS stretch 610 ± 80 gas PE Moran and Ellison, 1988

Additional references: Jacox, 1994, page 53

Notes

dPhotodissociation threshold

References

Go To: Top, Reaction thermochemistry 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.

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, 2657-2662, https://doi.org/10.1039/b820174a . [all data]

Ohair, Depuy, et al., 1993
Ohair, R.A.J.; Depuy, C.H.; Bierbaum, V.M., Gas-Phase Chemistry and Thermochemistry of the Hydroxysulfide Anion, HOS-, J. Phys. Chem., 1993, 97, 30, 7955, https://doi.org/10.1021/j100132a026 . [all data]

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]

Entfellner and Boesl, 2009, 2
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]

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


Notes

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