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All results from a given calculation for SO2 (Sulfur dioxide)

using model chemistry: PBEPBEultrafine/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBEPBEultrafine/6-31G
 hartrees
Energy at 0K-548.125137
Energy at 298.15K-548.125820
HF Energy-548.125137
Nuclear repulsion energy95.232068
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 PBEPBEultrafine/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 A1 860 848 3.18      
2 A1 370 365 21.25      
3 B2 955 942 56.05      

Unscaled Zero Point Vibrational Energy (zpe) 1092.7 cm-1
Scaled (by 0.9862) Zero Point Vibrational Energy (zpe) 1077.6 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 PBEPBEultrafine/6-31G
ABC
1.35528 0.27863 0.23111

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.441
O2 0.000 1.375 -0.441
O3 0.000 -1.375 -0.441

Atom - Atom Distances (Å)
  S1 O2 O3
S11.63381.6338
O21.63382.7505
O31.63382.7505

picture of Sulfur dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 S1 O3 114.655
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.864      
2 O -0.432      
3 O -0.432      


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 2.196 2.196
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.378 0.000 0.000
y 0.000 -28.483 0.000
z 0.000 0.000 -23.316
Traceless
 xyz
x 4.522 0.000 0.000
y 0.000 -6.136 0.000
z 0.000 0.000 1.615
Polar
3z2-r23.229
x2-y27.105
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.624 0.000 0.000
y 0.000 5.420 0.000
z 0.000 0.000 2.478


<r2> (average value of r2) Å2
<r2> 51.719
(<r2>)1/2 7.192