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
• Permanent link for this species. Use this link for bookmarking this species for future reference.
• Information on this page:
  • Reaction thermochemistry data
  • Gas phase ion energetics data
  • Ion clustering data
  • Vibrational and/or electronic energy levels
  • References
  • Notes
• Data at other public NIST sites:
  • Computational Chemistry Comparison and Benchmark Database
  • Gas Phase Kinetics Database
• Options:
  • Switch to calorie-based units

Reaction thermochemistry data

Go To: Top, Gas phase ion energetics data, Ion clustering 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

H₂Al^- +  =

By formula: H₂Al^- + H⁺ = H₃Al

 +  = H₄Al^-

By formula: H^- + H₃Al = H₄Al^-

Gas phase ion energetics data

Go To: Top, Reaction thermochemistry data, Ion clustering 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

H₂Al^- +  =

By formula: H₂Al^- + H⁺ = H₃Al

Ion clustering data

Go To: Top, Reaction thermochemistry data, 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. Searches may be limited to ion clustering reactions. A general reaction search form is also available.

Clustering reactions

 +  = H₄Al^-

By formula: H^- + H₃Al = H₄Al^-

Vibrational and/or electronic energy levels

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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:   X

Additional references: Jacox, 1998, page 212

Notes

References

Go To: Top, Reaction thermochemistry data, Gas phase ion energetics data, Ion clustering 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.

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

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

• 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
• The National Institute of Standards and Technology (NIST) uses its best efforts to deliver a high quality copy of the Database and to verify that the data contained therein have been selected on the basis of sound scientific judgment. However, NIST makes no warranties to that effect, and NIST shall not be liable for any damage that may result from errors or omissions in the Database.
• Customer support for NIST Standard Reference Data products.