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

using model chemistry: PBEPBEultrafine/CEP-121G

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/CEP-121G
 hartrees
Energy at 0K-41.919389
Energy at 298.15K-41.920050
HF Energy-41.919389
Nuclear repulsion energy30.116711
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/CEP-121G
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 840 840 4.72      
2 A1 356 356 21.83      
3 B2 911 911 79.06      

Unscaled Zero Point Vibrational Energy (zpe) 1053.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1053.7 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/CEP-121G
ABC
1.31774 0.27781 0.22944

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBEultrafine/CEP-121G

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.447
O2 0.000 1.377 -0.447
O3 0.000 -1.377 -0.447

Atom - Atom Distances (Å)
  S1 O2 O3
S11.64221.6422
O21.64222.7545
O31.64222.7545

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 113.998
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/CEP-121G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.728      
2 O -0.364      
3 O -0.364      


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 2.425 2.425
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.821 0.000 0.000
y 0.000 -28.475 0.000
z 0.000 0.000 -22.871
Traceless
 xyz
x 4.852 0.000 0.000
y 0.000 -6.629 0.000
z 0.000 0.000 1.777
Polar
3z2-r23.554
x2-y27.654
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.812 0.000 0.000
y 0.000 5.995 0.000
z 0.000 0.000 2.796


<r2> (average value of r2) Å2
<r2> 41.387
(<r2>)1/2 6.433