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

using model chemistry: B2PLYP/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at B2PLYP/cc-pVDZ
 hartrees
Energy at 0K-548.338315
Energy at 298.15K-548.339188
HF Energy-548.152774
Nuclear repulsion energy104.224391
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 B2PLYP/cc-pVDZ
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 1055 1010 16.64 21.22 0.18 0.30
2 A1 487 466 29.67 5.03 0.73 0.84
3 B2 1238 1186 119.21 11.25 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1389.7 cm-1
Scaled (by 0.9577) Zero Point Vibrational Energy (zpe) 1330.9 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 B2PLYP/cc-pVDZ
ABC
1.79061 0.32341 0.27393

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.384
O2 0.000 1.276 -0.384
O3 0.000 -1.276 -0.384

Atom - Atom Distances (Å)
  S1 O2 O3
S11.48941.4894
O21.48942.5530
O31.48942.5530

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 117.979
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.696      
2 O -0.348      
3 O -0.348      


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 1.815 1.815
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.648 0.000 0.000
y 0.000 -26.781 0.000
z 0.000 0.000 -22.352
Traceless
 xyz
x 3.919 0.000 0.000
y 0.000 -5.281 0.000
z 0.000 0.000 1.362
Polar
3z2-r22.724
x2-y26.134
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.727 0.000 0.000
y 0.000 4.363 0.000
z 0.000 0.000 2.278


<r2> (average value of r2) Å2
<r2> 45.308
(<r2>)1/2 6.731