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

using model chemistry: PBEPBE/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 PBEPBE/cc-pCVTZ
 hartrees
Energy at 0K-548.402160
Energy at 298.15K 
HF Energy-548.402160
Nuclear repulsion energy106.447559
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 PBEPBE/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 1116 1116 22.96 22.40 0.18 0.30
2 A1 492 492 23.50 3.57 0.68 0.81
3 B2 1317 1317 165.12 8.98 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1462.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1462.2 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 PBEPBE/cc-pCVTZ
ABC
1.94550 0.33333 0.28458

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.368
O2 0.000 1.257 -0.368
O3 0.000 -1.257 -0.368

Atom - Atom Distances (Å)
  S1 O2 O3
S11.45701.4570
O21.45702.5147
O31.45702.5147

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 119.305
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.556      
2 O -0.278      
3 O -0.278      


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 1.553 1.553
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.764 0.000 0.000
y 0.000 -26.368 0.000
z 0.000 0.000 -22.455
Traceless
 xyz
x 3.648 0.000 0.000
y 0.000 -4.758 0.000
z 0.000 0.000 1.111
Polar
3z2-r22.221
x2-y25.604
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.292 0.000 0.000
y 0.000 4.608 0.000
z 0.000 0.000 2.848


<r2> (average value of r2) Å2
<r2> 44.117
(<r2>)1/2 6.642