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Experimental data for Al2 (Aluminum diatomic)

22 02 02 11 45
Other names
Aluminum; dialuminum;
INChI INChIKey SMILES IUPAC name
InChI=1S/2Al QSDQMOYYLXMEPS-UHFFFAOYSA-N [Al]#[Al] dialuminum
State Conformation
3Σg D*H
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
Hfg(298.15K) enthalpy of formation   10.00 kJ mol-1 1990Fu/Lem:8420
Hfg(0K) enthalpy of formation 525.90 10.00 kJ mol-1 1990Fu/Lem:8420
Entropy (298.15K) entropy 243.84 0.30 J K-1 mol-1 Gurvich
Integrated Heat Capacity (0 to 298.15K) integrated heat capacity 10.14   kJ mol-1 Gurvich
Heat Capacity (298.15K) heat capacity 37.06   J K-1 mol-1 Gurvich
Information can also be found for this species in the NIST Chemistry Webbook
Vibrational levels (cm-1) vibrations
Mode Number Symmetry Frequency Intensity Comment Description
Fundamental(cm-1) Harmonic(cm-1) Reference (km mol-1) unc. Reference
1 Σg 284 286 1990Fu/Lem:8420      

Detailed diatomic data
ωe ωexe ωeye Be αe ZPE reference
285.8 0.9 0.17127 0.0008 142.6763 2007Iri:389
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