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

using model chemistry: B1B95/aug-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 B1B95/aug-cc-pVDZ
 hartrees
Energy at 0K-548.623490
Energy at 298.15K-548.624391
HF Energy-548.623490
Nuclear repulsion energy105.560764
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/aug-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 1148 1100 26.06 32.80 0.14 0.25
2 A1 498 477 28.55 2.50 0.61 0.76
3 B2 1313 1257 211.85 9.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1479.2 cm-1
Scaled (by 0.9579) Zero Point Vibrational Energy (zpe) 1416.9 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/aug-cc-pVDZ
ABC
1.81304 0.33307 0.28138

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/aug-cc-pVDZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.381
O2 0.000 1.258 -0.381
O3 0.000 -1.258 -0.381

Atom - Atom Distances (Å)
  S1 O2 O3
S11.47091.4709
O21.47092.5157
O31.47092.5157

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 117.549
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.135      
2 O -0.567      
3 O -0.567      


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 1.879 1.879
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.996 0.000 0.000
y 0.000 -27.146 0.000
z 0.000 0.000 -22.927
Traceless
 xyz
x 4.041 0.000 0.000
y 0.000 -5.185 0.000
z 0.000 0.000 1.144
Polar
3z2-r22.288
x2-y26.150
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.743 0.000 0.000
y 0.000 5.206 0.000
z 0.000 0.000 3.367


<r2> (average value of r2) Å2
<r2> 44.763
(<r2>)1/2 6.690