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

using model chemistry: B1B95/SDD

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/SDD
 hartrees
Energy at 0K-548.450578
Energy at 298.15K-548.451341
HF Energy-548.450578
Nuclear repulsion energy98.686322
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/SDD
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 945 945 5.67      
2 A1 415 415 34.08      
3 B2 1044 1044 80.77      

Unscaled Zero Point Vibrational Energy (zpe) 1202.0 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1202.0 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/SDD
ABC
1.39640 0.30356 0.24935

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/SDD

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.434
O2 0.000 1.318 -0.434
O3 0.000 -1.318 -0.434

Atom - Atom Distances (Å)
  S1 O2 O3
S11.57831.5783
O21.57832.6351
O31.57832.6351

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 113.193
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/SDD Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.052      
2 O -0.526      
3 O -0.526      


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 2.743 2.743
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.184 0.000 0.000
y 0.000 -29.765 0.000
z 0.000 0.000 -23.516
Traceless
 xyz
x 5.457 0.000 0.000
y 0.000 -7.416 0.000
z 0.000 0.000 1.959
Polar
3z2-r23.917
x2-y28.582
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.462 0.000 0.000
y 0.000 5.540 0.000
z 0.000 0.000 2.345


<r2> (average value of r2) Å2
<r2> 49.318
(<r2>)1/2 7.023