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

using model chemistry: PBEPBEultrafine/6-311G**

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/6-311G**
 hartrees
Energy at 0K-548.338538
Energy at 298.15K-548.339410
HF Energy-548.338538
Nuclear repulsion energy105.067019
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/6-311G**
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 1074 1065 24.04      
2 A1 480 476 29.65      
3 B2 1256 1244 158.40      

Unscaled Zero Point Vibrational Energy (zpe) 1405.0 cm-1
Scaled (by 0.9909) Zero Point Vibrational Energy (zpe) 1392.2 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/6-311G**
ABC
1.87373 0.32582 0.27756

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/6-311G**

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.375
O2 0.000 1.272 -0.375
O3 0.000 -1.272 -0.375

Atom - Atom Distances (Å)
  S1 O2 O3
S11.47651.4765
O21.47652.5435
O31.47652.5435

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 118.935
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/6-311G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.732      
2 O -0.366      
3 O -0.366      


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 1.770 1.770
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.853 0.000 0.000
y 0.000 -27.291 0.000
z 0.000 0.000 -22.620
Traceless
 xyz
x 4.102 0.000 0.000
y 0.000 -5.554 0.000
z 0.000 0.000 1.452
Polar
3z2-r22.904
x2-y26.437
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.867 0.000 0.000
y 0.000 4.585 0.000
z 0.000 0.000 2.424


<r2> (average value of r2) Å2
<r2> 45.111
(<r2>)1/2 6.717