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

using model chemistry: PBEPBE/6-311+G(3df,2pd)

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/6-311+G(3df,2pd)
 hartrees
Energy at 0K-548.394923
Energy at 298.15K-548.395810
HF Energy-548.394923
Nuclear repulsion energy106.579175
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/6-311+G(3df,2pd)
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 1113 1102 23.31      
2 A1 489 484 22.30      
3 B2 1308 1295 185.87      

Unscaled Zero Point Vibrational Energy (zpe) 1455.2 cm-1
Scaled (by 0.99) Zero Point Vibrational Energy (zpe) 1440.6 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 PBEPBE/6-311+G(3df,2pd)
ABC
1.95127 0.33411 0.28527

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/6-311+G(3df,2pd)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.368
O2 0.000 1.256 -0.368
O3 0.000 -1.256 -0.368

Atom - Atom Distances (Å)
  S1 O2 O3
S11.45521.4552
O21.45522.5118
O31.45522.5118

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 119.321
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/6-311+G(3df,2pd) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.558      
2 O -0.279      
3 O -0.279      


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 1.559 1.559
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.173 0.000 0.000
y 0.000 -26.725 0.000
z 0.000 0.000 -22.958
Traceless
 xyz
x 3.669 0.000 0.000
y 0.000 -4.660 0.000
z 0.000 0.000 0.991
Polar
3z2-r21.982
x2-y25.552
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.873 0.000 0.000
y 0.000 5.209 0.000
z 0.000 0.000 3.486


<r2> (average value of r2) Å2
<r2> 44.310
(<r2>)1/2 6.657