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

using model chemistry: wB97X-D/CEP-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 wB97X-D/CEP-31G*
 hartrees
Energy at 0K-42.050942
Energy at 298.15K-42.051856
HF Energy-42.050942
Nuclear repulsion energy33.617032
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 wB97X-D/CEP-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 1195 1195 35.16 26.73 0.28 0.44
2 A1 514 514 37.57 4.16 0.70 0.83
3 B2 1376 1376 218.14 12.81 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1542.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1542.3 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 wB97X-D/CEP-31G*
ABC
1.87571 0.33369 0.28329

See section I.F.4 to change rotational constant units
Geometric Data calculated at wB97X-D/CEP-31G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.375
O2 0.000 1.257 -0.375
O3 0.000 -1.257 -0.375

Atom - Atom Distances (Å)
  S1 O2 O3
S11.46331.4633
O21.46332.5134
O31.46332.5134

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 118.362
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at wB97X-D/CEP-31G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.558      
2 O -0.279      
3 O -0.279      


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 1.961 1.961
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -19.895 0.000 0.000
y 0.000 -26.504 0.000
z 0.000 0.000 -21.867
Traceless
 xyz
x 4.290 0.000 0.000
y 0.000 -5.623 0.000
z 0.000 0.000 1.333
Polar
3z2-r22.666
x2-y26.609
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.936 0.000 0.000
y 0.000 4.525 0.000
z 0.000 0.000 2.433


<r2> (average value of r2) Å2
<r2> 35.693
(<r2>)1/2 5.974