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

using model chemistry: PBE1PBE/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at PBE1PBE/daug-cc-pVDZ
 hartrees
Energy at 0K-548.323780
Energy at 298.15K-548.324680
HF Energy-548.323780
Nuclear repulsion energy105.366375
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 PBE1PBE/daug-cc-pVDZ
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 1143 1143 25.85 35.02 0.13 0.23
2 A1 498 498 27.64 2.27 0.60 0.75
3 B2 1306 1306 213.54 8.77 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1473.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1473.4 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 PBE1PBE/daug-cc-pVDZ
ABC
1.80906 0.33170 0.28030

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBE1PBE/daug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.382
O2 0.000 1.260 -0.382
O3 0.000 -1.260 -0.382

Atom - Atom Distances (Å)
  S1 O2 O3
S11.47361.4736
O21.47362.5209
O31.47362.5209

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 117.598
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBE1PBE/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.198      
2 O -0.599      
3 O -0.599      


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 1.831 1.831
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.116 0.000 0.000
y 0.000 -27.158 0.000
z 0.000 0.000 -22.973
Traceless
 xyz
x 3.949 0.000 0.000
y 0.000 -5.114 0.000
z 0.000 0.000 1.164
Polar
3z2-r22.329
x2-y26.042
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.926 0.000 0.000
y 0.000 5.324 0.000
z 0.000 0.000 3.499


<r2> (average value of r2) Å2
<r2> 44.915
(<r2>)1/2 6.702