Germylene

• Formula: GeH₂
• Molecular weight: 74.66
• IUPAC Standard InChI: InChI=1S/GeH2/h1H2 Copy

  
• IUPAC Standard InChIKey: MWRNXFLKMVJUFL-UHFFFAOYSA-N Copy
• CAS Registry Number: 24968-55-6
• Chemical structure:
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Data at other public NIST sites:
  • Electron-Impact Ionization Cross Sections (on physics web site)
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Reaction thermochemistry data

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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: José A. Martinho Simões

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

 (g) =  (g) +  (g)

By formula: H₃Ge (g) = H (g) + H₂Ge (g)

 (g) = HGe (g) +  (g)

By formula: H₂Ge (g) = HGe (g) + H (g)

Gas phase ion energetics data

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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 as indicated in comments:
LL - Sharon G. Lias and Joel F. Liebman
B - John E. Bartmess

View reactions leading to H₂Ge⁺ (ion structure unspecified)

Electron affinity determinations

Ionization energy determinations

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:   A

State:   X

Additional references: Jacox, 1994, page 20; Jacox, 1998, page 132; Jacox, 2003, page 18; Smith and Guillory, 1972; Lloret, Oria, et al., 1991

Notes

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.

Ruscic, Schwarz, et al., 1990
Ruscic, B.; Schwarz, M.; Berkowitz, J., Photoionization studies of GeH_n(n = 2-4), J. Chem. Phys., 1990, 92, 1865. [all data]

Miller, Miller, et al., 1986
Miller, T.M.; Miller, A.E.S.; Lineberger, W.C., Electron Affinities of Ge and Sn, Phys. Rev. A, 1986, 33, 5, 3558, https://doi.org/10.1103/PhysRevA.33.3558 . [all data]

Saito and Obi, 1993
Saito, K.; Obi, K., The first observation of the à 1B1-X 1A1 transition of GeH2 and GeD2 radicals, Chem. Phys. Lett., 1993, 215, 1-3, 193, https://doi.org/10.1016/0009-2614(93)89287-R . [all data]

Saito and Obi, 1994
Saito, K.; Obi, K., The excited state dynamics of the Ã1B1 state of GeH2 and GeD2 radicals, Chem. Phys., 1994, 187, 3, 381, https://doi.org/10.1016/0301-0104(94)89020-X . [all data]

Karolczak, Harper, et al., 1995
Karolczak, J.; Harper, W.W.; Grev, R.S.; Clouthier, D.J., The structure, spectroscopy, and excited state predissociation dynamics of GeH2, J. Chem. Phys., 1995, 103, 8, 2839, https://doi.org/10.1063/1.470520 . [all data]

Campargue and Escribano, 1999
Campargue, A.; Escribano, R., Room temperature absorption spectroscopy of GeH2 near 585 nm, Chem. Phys. Lett., 1999, 315, 5-6, 397, https://doi.org/10.1016/S0009-2614(99)01237-3 . [all data]

Smith, Clouthier, et al., 2000
Smith, T.C.; Clouthier, D.J.; Sha, W.; Adam, A.G., Laser optogalvanic and jet spectroscopy of germylene (GeH[sub 2]): New spectroscopic data for an important semiconductor growth intermediate, J. Chem. Phys., 2000, 113, 21, 9567, https://doi.org/10.1063/1.1319936 . [all data]

Wang, Andrews, et al., 2002
Wang, X.; Andrews, L.; Kushto, G.P., Infrared Spectra of the Novel Ge, J. Phys. Chem. A, 2002, 106, 24, 5809, https://doi.org/10.1021/jp020219v . [all data]

Wang and Andrews, 2003
Wang, X.; Andrews, L., Infrared Spectra of Group 14 Hydrides in Solid Hydrogen: Experimental Observation of PbH, J. Am. Chem. Soc., 2003, 125, 21, 6581, https://doi.org/10.1021/ja029862l . [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]

Smith and Guillory, 1972
Smith, G.R.; Guillory, W.A., Products of the Vacuum-Ultraviolet Photolysis of Germane Isolated in an Argon Matrix, J. Chem. Phys., 1972, 56, 4, 1423, https://doi.org/10.1063/1.1677383 . [all data]

Lloret, Oria, et al., 1991
Lloret, A.; Oria, M.; Seoudi, B.; Abouaf-Marguin, L., Infrared detection by the matrix-isolation technique of radicals produced in deposition plasmas: germane, Chem. Phys. Lett., 1991, 179, 4, 329, https://doi.org/10.1016/0009-2614(91)85161-O . [all data]

Notes

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• Symbols used in this document:
  

  EA	Electron affinity
  ΔrH°	Enthalpy of reaction at standard conditions

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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