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All results from a given calculation for H2Ar (H2 Ar dimer)

using model chemistry: TPSSh/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
Energy calculated at TPSSh/6-31G
 hartrees
Energy at 0K-528.688247
Energy at 298.15K-528.688107
HF Energy-528.688247
Nuclear repulsion energy5.751590
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σ 4493 4323 0.06      
2 Σ 69 67 0.05      
3 Π 71 68 0.00      
3 Π 71 68 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2352.0 cm-1
Scaled (by 0.9621) Zero Point Vibrational Energy (zpe) 2262.8 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/6-31G
B
0.59643

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/6-31G

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ar1 0.000 0.000 0.382
H2 0.000 0.000 -3.068
H3 0.000 0.000 -3.807

Atom - Atom Distances (Å)
  Ar1 H2 H3
Ar13.44994.1885
H23.44990.7386
H34.18850.7386

picture of H2 Ar dimer state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
Ar1 H2 H3 180.000 Ar1 H3 H2 0.000
H2 Ar1 H3 0.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ar 0.001      
2 H -0.000      
3 H -0.001      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  0.000 0.000 0.023 0.023
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.240 0.000 0.000
y 0.000 0.240 0.000
z 0.000 0.000 1.282


<r2> (average value of r2) Å2
<r2> 34.875
(<r2>)1/2 5.906