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

using model chemistry: M06-2X/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 M06-2X/aug-cc-pVTZ
 hartrees
Energy at 0K-548.619472
Energy at 298.15K-548.620414
HF Energy-548.619472
Nuclear repulsion energy108.091068
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 M06-2X/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 1235 1180 36.72 34.33 0.14 0.25
2 A1 535 512 34.84 2.01 0.61 0.75
3 B2 1419 1356 254.29 9.02 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1594.5 cm-1
Scaled (by 0.9557) Zero Point Vibrational Energy (zpe) 1523.9 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 M06-2X/aug-cc-pVTZ
ABC
1.92595 0.34785 0.29464

See section I.F.4 to change rotational constant units
Geometric Data calculated at M06-2X/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.370
O2 0.000 1.231 -0.370
O3 0.000 -1.231 -0.370

Atom - Atom Distances (Å)
  S1 O2 O3
S11.43611.4361
O21.43612.4617
O31.43612.4617

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 117.980
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.983      
2 O -0.491      
3 O -0.491      


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 1.910 1.910
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.941 0.000 0.000
y 0.000 -27.207 0.000
z 0.000 0.000 -22.807
Traceless
 xyz
x 4.066 0.000 0.000
y 0.000 -5.333 0.000
z 0.000 0.000 1.267
Polar
3z2-r22.534
x2-y26.266
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.815 0.000 0.000
y 0.000 4.907 0.000
z 0.000 0.000 3.311


<r2> (average value of r2) Å2
<r2> 43.391
(<r2>)1/2 6.587