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

using model chemistry: B3PW91/cc-pCVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3PW91/cc-pCVTZ
 hartrees
Energy at 0K-548.611104
Energy at 298.15K 
HF Energy-548.611104
Nuclear repulsion energy108.069704
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 B3PW91/cc-pCVTZ
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 1199 1199 30.99 23.44 0.18 0.31
2 A1 526 526 30.05 3.18 0.68 0.81
3 B2 1405 1405 201.79 9.03 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1564.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1564.4 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 B3PW91/cc-pCVTZ
ABC
1.99605 0.34402 0.29345

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pCVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.363
O2 0.000 1.238 -0.363
O3 0.000 -1.238 -0.363

Atom - Atom Distances (Å)
  S1 O2 O3
S11.43521.4352
O21.43522.4753
O31.43522.4753

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 119.157
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.631      
2 O -0.315      
3 O -0.315      


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 1.655 1.655
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.531 0.000 0.000
y 0.000 -26.475 0.000
z 0.000 0.000 -22.343
Traceless
 xyz
x 3.878 0.000 0.000
y 0.000 -5.038 0.000
z 0.000 0.000 1.160
Polar
3z2-r22.319
x2-y25.944
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.251 0.000 0.000
y 0.000 4.404 0.000
z 0.000 0.000 2.742


<r2> (average value of r2) Å2
<r2> 43.172
(<r2>)1/2 6.571