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H2As


Reaction thermochemistry data

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

HAs- + Hydrogen cation = H2As

By formula: HAs- + H+ = H2As

Quantity Value Units Method Reference Comment
Deltar358.2 ± 2.3kcal/molD-EARackwitz, Feldman, et al., 1977gas phase

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Vibrational and/or electronic energy levels, NIST Free Links, 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

View reactions leading to AsH2+ (ion structure unspecified)

De-protonation reactions

HAs- + Hydrogen cation = H2As

By formula: HAs- + H+ = H2As

Quantity Value Units Method Reference Comment
Deltar358.2 ± 2.3kcal/molD-EARackwitz, Feldman, et al., 1977gas phase

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, NIST Free Links, 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:   A


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

To = 19909.49 gas A-X 390 650 Dixon, Duxbury, et al., 1968
Ni, Lu, et al., 1986
He and Clouthier, 2007
Zhao, Qin, et al., 2009


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

a1 1 Sym. stretch 2112.71 gas LF He and Clouthier, 2007
2 Bend 850.35 gas LF CR Dixon, Duxbury, et al., 1968
He and Clouthier, 2007
Zhao, Qin, et al., 2009

State:   X


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

a1 1 Sym. stretch 2095.1 gas LF He and Clouthier, 2007
2 Bend 981.4 gas LF CR Ni, Lu, et al., 1986
He and Clouthier, 2007
Zhao, Qin, et al., 2009

Additional references: Jacox, 1994, page 23; Jacox, 2003, page 20; Fujiwara, Kobayashi, et al., 1998; Fujiwara and Saito, 1998; Hughes, Brown, et al., 2000; Grimminger and Clouthier, 2012

Notes

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, NIST Free Links, Notes

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

Rackwitz, Feldman, et al., 1977
Rackwitz, R.; Feldman, D.; Kaiser, H.J.; Heincke, E., Photodetachment bei einigen zweiatomigen negativen hydridionen: BeH-, MgH-, CaH-, ZnH-, PH-, AsH-, Z. Naturforsch. A:, 1977, 32, 594. [all data]

Dixon, Duxbury, et al., 1968
Dixon, R.N.; Duxbury, G.; Lamberton, H.M., The Analysis of a FormulaAFormula-FormulaBFormula Electronic Band System of the AsHFormula and AsDFormula Radicals, Proc. Roy. Soc. (London) A305, 1968, 305, 1481, 271, https://doi.org/10.1098/rspa.1968.0118 . [all data]

Ni, Lu, et al., 1986
Ni, T.; Lu, Q.; Ma, X.; Yu, S.; Kong, F., The emission spectrum of AsH2(Ã2A1 --> X2B1) via uv photolysis of AsH3, Chem. Phys. Lett., 1986, 126, 5, 417, https://doi.org/10.1016/S0009-2614(86)80127-0 . [all data]

He and Clouthier, 2007
He, S.-G.; Clouthier, D.J., Laser spectroscopy and dynamics of the jet-cooled AsH[sub 2] free radical, J. Chem. Phys., 2007, 126, 15, 154312, https://doi.org/10.1063/1.2721544 . [all data]

Zhao, Qin, et al., 2009
Zhao, D.; Qin, C.; Ji, M.; Zhang, Q.; Chen, Y., Absorption spectra of AsH2 radical in 435--510nm by cavity ringdown spectroscopy, J. Mol. Spectrosc., 2009, 256, 2, 192, https://doi.org/10.1016/j.jms.2009.04.008 . [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]

Fujiwara, Kobayashi, et al., 1998
Fujiwara, H.; Kobayashi, K.; Ozeki, H.; Saito, S., Submillimeter-wave spectrum of the AsH[sub 2] radical in the [sup 2]B[sub 1] ground electronic state, J. Chem. Phys., 1998, 109, 13, 5351, https://doi.org/10.1063/1.477153 . [all data]

Fujiwara and Saito, 1998
Fujiwara, H.; Saito, S., Microwave Spectrum of the AsD2(X2B1) Radical: Harmonic Force Field and Molecular Structure, J. Mol. Spectrosc., 1998, 192, 2, 399, https://doi.org/10.1006/jmsp.1998.7708 . [all data]

Hughes, Brown, et al., 2000
Hughes, R.A.; Brown, J.M.; Evenson, K.M., Rotational Spectrum of the AsH2 Radical in Its Ground State, Studied by Far-Infrared Laser Magnetic Resonance, J. Mol. Spectrosc., 2000, 200, 2, 210, https://doi.org/10.1006/jmsp.1999.8037 . [all data]

Grimminger and Clouthier, 2012
Grimminger, R.A.; Clouthier, D.J., Toward an improved understanding of the AsH2 free radical: Laser spectroscopy, ab initio calculations, and normal coordinate analysis, J. Chem. Phys., 2012, 137, 22, 224307, https://doi.org/10.1063/1.4769778 . [all data]


Notes

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