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

using model chemistry: B3LYPultrafine/CEP-121G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B3LYPultrafine/CEP-121G*
 hartrees
Energy at 0K-42.065154
Energy at 298.15K-42.066042
HF Energy-42.065154
Nuclear repulsion energy33.335670
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 B3LYPultrafine/CEP-121G*
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 1122 1088 30.68      
2 A1 492 477 33.28      
3 B2 1302 1262 200.29      

Unscaled Zero Point Vibrational Energy (zpe) 1458.1 cm-1
Scaled (by 0.9694) Zero Point Vibrational Energy (zpe) 1413.5 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 B3LYPultrafine/CEP-121G*
ABC
1.84787 0.32797 0.27853

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3LYPultrafine/CEP-121G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.378
O2 0.000 1.268 -0.378
O3 0.000 -1.268 -0.378

Atom - Atom Distances (Å)
  S1 O2 O3
S11.47561.4756
O21.47562.5352
O31.47562.5352

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 118.421
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B3LYPultrafine/CEP-121G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.632      
2 O -0.316      
3 O -0.316      


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 1.918 1.918
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.048 0.000 0.000
y 0.000 -26.467 0.000
z 0.000 0.000 -21.907
Traceless
 xyz
x 4.139 0.000 0.000
y 0.000 -5.489 0.000
z 0.000 0.000 1.350
Polar
3z2-r22.701
x2-y26.419
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.119 0.000 0.000
y 0.000 4.743 0.000
z 0.000 0.000 2.658


<r2> (average value of r2) Å2
<r2> 36.094
(<r2>)1/2 6.008