aluminium hydroxide
- Formula: AlH3O3
- Molecular weight: 78.0036
- CAS Registry Number: 21645-51-2
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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
3 (g) +
(l) = AlH3O3 (amorphous) + 3
(g)
By formula: 3H2O (g) + C6H15Al (l) = AlH3O3 (amorphous) + 3C2H6 (g)
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔrH° | -154.7 ± 1.5 | kcal/mol | RSC | Fowell, 1961 | Please also see Cox and Pilcher, 1970. Liquid triethylaluminum contains a very small molar fraction of monomer at 298 K, ca. 0.1% Smith, 1967, so that the "real" liquid should be described as [Al(Et)3]2. |
IR Spectrum
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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: Timothy J. Johnson, Tanya L. Myers, Yin-Fong Su, Russell G. Tonkyn, Molly Rose K. Kelly-Gorham, and Tyler O. Danby
Condensed Phase Spectrum
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Additional Data
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| Owner | Public domain |
|---|---|
| Origin | Pacific Northwest National Laboratory Under IARPA Contract |
| Date | March 2017 |
| State | solid |
| Instrument | Bruker Tensor 37 FTIR |
| Aperture | 6 mm |
| External diffuse reflectance accessory | A 562-G integrating sphere |
| Beam splitter | Ge on KBr |
| Diameter of detector port in sphere | 2×2 mm, 60° field of view MCT |
| Sphere diameter | 75 mm |
| Acquisition mode | double-sided, forward-backward |
| Scanner velocity | 40 kHz |
| Co-added scans | 2048 |
| Phase resolution | 32.00 |
| Phase correction | Mertz |
| Zero filling | 4× |
| Spectral range | 7,500 to 600 cm-1 saved; 7500 to 600 cm-1 reported |
| Resolution | 0.96450084 |
| Spectral resolution | 4 cm-1 |
| Wavenumber accuracy | ± 0.4 cm-1 |
| Apodization function | Blackman-Harris 3-term |
| Low-pass filter | Open |
| Switch gain on | 512 points |
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.
Fowell, 1961
Fowell, P.A.,
Ph. D. Thesis, University of Manchester, 1961. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds
in Academic Press, New York, 1970. [all data]
Smith, 1967
Smith, M.B.,
J. Phys. Chem., 1967, 71, 364. [all data]
Notes
Go To: Top, Reaction thermochemistry data, IR Spectrum, References
- Symbols used in this document:
ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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