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

using model chemistry: B1B95/6-31G(2df,p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B1B95/6-31G(2df,p)
 hartrees
Energy at 0K-548.618919
Energy at 298.15K-548.619851
HF Energy-548.618919
Nuclear repulsion energy108.287425
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 B1B95/6-31G(2df,p)
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 1215 1163 28.70 21.48 0.17 0.29
2 A1 527 505 29.01 2.35 0.67 0.80
3 B2 1428 1368 174.96 7.36 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1584.9 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1517.9 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 B1B95/6-31G(2df,p)
ABC
1.99937 0.34565 0.29470

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G(2df,p)

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.363
O2 0.000 1.235 -0.363
O3 0.000 -1.235 -0.363

Atom - Atom Distances (Å)
  S1 O2 O3
S11.43241.4324
O21.43242.4695
O31.43242.4695

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 119.081
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G(2df,p) Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.354      
2 O -0.177      
3 O -0.177      


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 1.554 1.554
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.404 0.000 0.000
y 0.000 -25.787 0.000
z 0.000 0.000 -22.037
Traceless
 xyz
x 3.508 0.000 0.000
y 0.000 -4.566 0.000
z 0.000 0.000 1.059
Polar
3z2-r22.117
x2-y25.383
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.296 0.000 0.000
y 0.000 4.136 0.000
z 0.000 0.000 2.659


<r2> (average value of r2) Å2
<r2> 42.816
(<r2>)1/2 6.543