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

using model chemistry: B3PW91/aug-cc-pVTZ

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/aug-cc-pVTZ
 hartrees
Energy at 0K-548.597966
Energy at 298.15K-548.598888
HF Energy-548.597966
Nuclear repulsion energy107.221566
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/aug-cc-pVTZ
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 1176 1135 28.55 33.58 0.14 0.24
2 A1 519 501 28.38 2.14 0.60 0.75
3 B2 1361 1314 213.49 8.99 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1528.0 cm-1
Scaled (by 0.9651) Zero Point Vibrational Energy (zpe) 1474.6 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/aug-cc-pVTZ
ABC
1.90769 0.34160 0.28972

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.372
O2 0.000 1.242 -0.372
O3 0.000 -1.242 -0.372

Atom - Atom Distances (Å)
  S1 O2 O3
S11.44751.4475
O21.44752.4841
O31.44752.4841

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 118.197
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.105      
2 O -0.553      
3 O -0.553      


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 1.742 1.742
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.872 0.000 0.000
y 0.000 -26.864 0.000
z 0.000 0.000 -22.761
Traceless
 xyz
x 3.940 0.000 0.000
y 0.000 -5.047 0.000
z 0.000 0.000 1.107
Polar
3z2-r22.214
x2-y25.992
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.861 0.000 0.000
y 0.000 5.066 0.000
z 0.000 0.000 3.413


<r2> (average value of r2) Å2
<r2> 43.781
(<r2>)1/2 6.617