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

using model chemistry: PBEPBE/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 PBEPBE/cc-pVTZ
 hartrees
Energy at 0K-548.384535
Energy at 298.15K-548.385420
HF Energy-548.384535
Nuclear repulsion energy105.605907
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 PBEPBE/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 1100 1092 21.49 22.32 0.18 0.30
2 A1 488 484 23.16 3.82 0.67 0.80
3 B2 1282 1274 162.69 9.37 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1434.8 cm-1
Scaled (by 0.9931) Zero Point Vibrational Energy (zpe) 1424.9 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 PBEPBE/cc-pVTZ
ABC
1.86151 0.33080 0.28089

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.376
O2 0.000 1.262 -0.376
O3 0.000 -1.262 -0.376

Atom - Atom Distances (Å)
  S1 O2 O3
S11.46951.4695
O21.46952.5243
O31.46952.5243

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 118.389
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.599      
2 O -0.300      
3 O -0.300      


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 1.644 1.644
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.810 0.000 0.000
y 0.000 -26.530 0.000
z 0.000 0.000 -22.498
Traceless
 xyz
x 3.704 0.000 0.000
y 0.000 -4.876 0.000
z 0.000 0.000 1.172
Polar
3z2-r22.344
x2-y25.720
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.272 0.000 0.000
y 0.000 4.691 0.000
z 0.000 0.000 2.870


<r2> (average value of r2) Å2
<r2> 44.559
(<r2>)1/2 6.675