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

using model chemistry: M06-2X/aug-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 M06-2X/aug-cc-pCVTZ
 hartrees
Energy at 0K-548.639046
Energy at 298.15K 
HF Energy-548.639046
Nuclear repulsion energy108.812684
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-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 1253 1253 39.24 33.50 0.15 0.26
2 A1 540 540 35.25 1.91 0.61 0.76
3 B2 1453 1453 260.12 8.71 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1623.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1623.2 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 M06-2X/aug-cc-pCVTZ
ABC
2.00080 0.34992 0.29783

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

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.363
O2 0.000 1.227 -0.363
O3 0.000 -1.227 -0.363

Atom - Atom Distances (Å)
  S1 O2 O3
S11.42581.4258
O21.42582.4544
O31.42582.4544

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 118.791
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at M06-2X/aug-cc-pCVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.189      
2 O -0.595      
3 O -0.595      


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 1.817 1.817
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.899 0.000 0.000
y 0.000 -27.072 0.000
z 0.000 0.000 -22.771
Traceless
 xyz
x 4.022 0.000 0.000
y 0.000 -5.236 0.000
z 0.000 0.000 1.214
Polar
3z2-r22.429
x2-y26.172
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.809 0.000 0.000
y 0.000 4.805 0.000
z 0.000 0.000 3.280


<r2> (average value of r2) Å2
<r2> 43.039
(<r2>)1/2 6.560