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Experimental data for AlH+ (aluminum monohydride cation)

22 02 02 11 45
INChI INChIKey SMILES IUPAC name
InChI=1S/Al.H/q+1; BSDSLUUQUQGTMP-UHFFFAOYSA-N [AlH+]
InChI=1/Al.H/q+1;/rAlH/h1H/q+1 BSDSLUUQUQGTMP-SDLXDVTNNA-N [AlH+]
State Conformation
2Σ C*V
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
1 Σ   1620 webbook      

vibrational zero-point energy:   cm-1 (from fundamental vibrations)
Calculated vibrational frequencies for AlH+ (aluminum monohydride cation).
Rotational Constants (cm-1) rotational constants
See section I.F.4 to change rotational constant units
A B C reference comment
  6.76300   webbook

Calculated rotational constants for AlH+ (aluminum monohydride cation).
Product of moments of inertia moments of inertia
2.492626amu Å2   4.139169E-40gm cm2
Geometric Data
picture of aluminum monohydride cation

Point Group C∞v


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
rAlH 1.602   1 2 webbook re

Cartesians
Atom x (Å) y (Å) z (Å)
Al1 0.0000 0.0000 0.0000
H2 0.0000 0.0000 1.6018

Atom - Atom Distances bond lengths
Distances in Å
  Al1 H2
Al1   1.6018
H2 1.6018  

Calculated geometries for AlH+ (aluminum monohydride cation).

Bond descriptions


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

Connectivity
Atom 1 Atom 2
Al1 H2
Electronic energy levels (cm-1)
Energy (cm-1) Degeneracy reference description
0 2   2Σ
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 2Σ C∞v True           C∞v 1 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 AlH+ (aluminum monohydride cation).
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 2Σ C∞v True       C∞v 1 1

Calculated electric quadrupole moments for AlH+ (aluminum monohydride cation).

References
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squib reference DOI
webbook NIST Chemistry Webbook (http://webbook.nist.gov/chemistry) 10.18434/T4D303

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