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Experimental data for Al(CH3)3 (trimethyl aluminum)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/3CH3.Al/h3*1H3; JLTRXTDYQLMHGR-UHFFFAOYSA-N C[Al](C)C
State Conformation
1A' C3H
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

Calculated vibrational frequencies for Al(CH3)3 (trimethyl aluminum).
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 Al(CH3)3 (trimethyl aluminum).
Product of moments of inertia moments of inertia
amu3Å6   0gm3 cm6
Geometric Data
picture of trimethyl aluminum

Point Group C3h


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 Al(CH3)3 (trimethyl aluminum).

Bond descriptions


Examples: C-C single bond, C=C, double bond, C#C triple bond, C:C aromatic bond
Bond Type Count
C-Al 3
H-C 9

Connectivity
Atom 1 Atom 2
Al1 C2
Al1 C3
Al1 C4
C2 H5
C2 H8
C2 H9
C3 H6
C3 H10
C3 H11
C4 H7
C4 H12
C4 H13
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 1   1A'
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 1A' C3h True           C3h 0 1
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 Al(CH3)3 (trimethyl aluminum).
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 1A' C3h True       C3h 0 1

Calculated electric quadrupole moments for Al(CH3)3 (trimethyl aluminum).

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