aluminium trihydride

• Formula: AlH₃
• Molecular weight: 30.00536
• IUPAC Standard InChI: InChI=1S/Al.3H Copy

  
• IUPAC Standard InChIKey: AZDRQVAHHNSJOQ-UHFFFAOYSA-N Copy
• CAS Registry Number: 7784-21-6
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
  The 3d structure may be viewed using Java or Javascript.
• Other names: Aluminum hydride
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• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Other data available:
  • Ion clustering data
• Data at other public NIST sites:
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  • Gas Phase Kinetics Database
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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: 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

H₂Al^- +  =

By formula: H₂Al^- + H⁺ = H₃Al

 +  = H₄Al^-

By formula: H^- + H₃Al = H₄Al^-

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 by: John E. Bartmess

De-protonation reactions

H₂Al^- +  =

By formula: H₂Al^- + H⁺ = H₃Al

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:   X

Additional references: Jacox, 1998, page 212

Notes

References

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

Hinde, 2000
Hinde, R.J., Ab initio gas-phase acidities of NaH, MgH2, and AlH3, J. Phys. Chem. A, 2000, 104, 32, 7580-7585, https://doi.org/10.1021/jp994138j . [all data]

Goebbert, Hernandez, et al., 2005
Goebbert, D.J.; Hernandez, H.; Francisco, J.S.; Wenthold, P.G., The binding energy and bonding in dialane, J. Am. Chem. Soc., 2005, 127, 33, 11684-11689, https://doi.org/10.1021/ja0424070 . [all data]

Wang, Andrews, et al., 2003
Wang, X.; Andrews, L.; Tam, S.; DeRose, M.E.; Fajardo, M.E., Infrared Spectra of Aluminum Hydrides in Solid Hydrogen: Al, J. Am. Chem. Soc., 2003, 125, 30, 9218, https://doi.org/10.1021/ja0353560 . [all data]

Chertihin and Andrews, 1993
Chertihin, G.V.; Andrews, L., Reactions of pulsed-laser ablated aluminum atoms with hydrogen: infrared spectra of aluminum hydride (AlH, AlH2, AlH3, and Al2H2) species, J. Phys. Chem., 1993, 97, 40, 10295, https://doi.org/10.1021/j100142a007 . [all data]

Kurth, Eberlein, et al., 1993
Kurth, F.A.; Eberlein, R.A.; Schnockel, H.; Downs, A.J.; Pulham, C.R., J. Chem. Soc., 1993, Chem. Commun. 1302. [all data]

Pullumbi, Bouteiller, et al., 1994
Pullumbi, P.; Bouteiller, Y.; Manceron, L.; Mijoule, C., Aluminium, gallium and indium trihydrides. an IR matrix isolation and ab initio study, Chem. Phys., 1994, 185, 1, 25, https://doi.org/10.1016/0301-0104(94)00111-1 . [all data]

Andrews and Wang, 2004
Andrews, L.; Wang, X., Infrared Spectra of Dialanes in Solid Hydrogen, J. Phys. Chem. A, 2004, 108, 19, 4202, https://doi.org/10.1021/jp037792e . [all data]

Andrews and Wang, 2003
Andrews, L.; Wang, X., The Infrared Spectrum of Al2H6 in Solid Hydrogen, Science, 2003, 299, 5615, 2049, https://doi.org/10.1126/science.1082456 . [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]

Notes

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• Symbols used in this document:
  

  ΔrG°	Free energy of reaction at standard conditions
  ΔrH°	Enthalpy of reaction at standard conditions

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