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

using model chemistry: B3LYP/aug-cc-pVQZ

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 B3LYP/aug-cc-pVQZ
 hartrees
Energy at 0K-528.744205
Energy at 298.15K-528.743771
HF Energy-528.744205
Nuclear repulsion energy4.177692
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 B3LYP/aug-cc-pVQZ
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 4415 4278 0.01      
2 Σ 22 21 0.00      
3 Π 18 18 0.00      
3 Π 18 18 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 2236.6 cm-1
Scaled (by 0.9689) Zero Point Vibrational Energy (zpe) 2167.1 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 B3LYP/aug-cc-pVQZ
B
0.28657

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYP/aug-cc-pVQZ

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Ar1 0.000 0.000 0.552
H2 0.000 0.000 -4.600
H3 0.000 0.000 -5.342

Atom - Atom Distances (Å)
  Ar1 H2 H3
Ar15.15275.8947
H25.15270.7419
H35.89470.7419

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 B3LYP/aug-cc-pVQZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Ar 0.000      
2 H -0.012      
3 H 0.012      


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 0.004 0.004
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -13.859 0.000 0.000
y 0.000 -13.859 0.000
z 0.000 0.000 -13.269
Traceless
 xyz
x -0.295 0.000 0.000
y 0.000 -0.295 0.000
z 0.000 0.000 0.591
Polar
3z2-r21.181
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.423 0.000 0.000
y 0.000 2.423 0.000
z 0.000 0.000 2.762


<r2> (average value of r2) Å2
<r2> 63.729
(<r2>)1/2 7.983