return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Experimental > One molecule all properties

Experimental data for Al2H6 (dialane)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/2Al.6H VRAIHTAYLFXSJJ-UHFFFAOYSA-N
InChI=1/2Al.6H/rAl2H6/c3-1-2(3)4-1/h1-2H2 VRAIHTAYLFXSJJ-UXBQRSFMNA-N
State Conformation
1AG D2H
Enthalpy of formation (Hfg), Entropy, Integrated heat capacity (0 K to 298.15 K) (HH), Heat Capacity (Cp)
Property Value Uncertainty units Reference Comment
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
8 B1u 1259   webbook       B1u switched with B2u. Renumbered
9 B1u 630   webbook       B1u switched with B2u. Renumbered
12 B2u 1935   webbook       B1u switched with B2u. Renumbered
13 B2u 835   webbook       B1u switched with B2u. Renumbered
16 B3u 1917   webbook      
17 B3u 1405   webbook      
18 B3u 705   webbook      

Calculated vibrational frequencies for Al2H6 (dialane).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment

Calculated rotational constants for Al2H6 (dialane).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of dialane

Point Group D2h


Internal coordinates
distances (r) in Å, angles (a) in degrees, dihedrals (d) in degrees
Description Value unc. Connectivity Reference Comment
Atom 1 Atom 2 Atom 3 Atom 4

Cartesians
Atom x (Å) y (Å) z (Å)

Atom - Atom Distances bond lengths
Distances in Å
 

Calculated geometries for Al2H6 (dialane).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
H-Al 8
Al-Al 1

Connectivity
Atom 1 Atom 2
Al1 Al2
Al1 H3
Al1 H4
Al1 H5
Al1 H6
Al2 H3
Al2 H4
Al2 H7
Al2 H8
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1AG
Dipole, Quadrupole and Polarizability
Electric dipole moment dipole
State Config State description Conf description Exp. min. Dipole (Debye) Reference comment Point Group Components
x y z total dipole quadrupole
1 1 1AG D2h True           D2h 0 2
Experimental dipole measurement abbreviations: MW microwave; DT Dielectric with Temperature variation; DR Indirect (usually an upper limit); MB Molecular beam
Calculated electric dipole moments for Al2H6 (dialane).
Electric quadrupole moment quadrupole
State Config State description Conf description Exp. min. Quadrupole (D Å) Reference comment Point Group Components
xx yy zz dipole quadrupole
1 1 1AG D2h True       D2h 0 2

Calculated electric quadrupole moments for Al2H6 (dialane).

References
By selecting the following links, you may be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].
squib reference DOI
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

Got a better number? Please email us at [email protected]


Browse
PreviousNext