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

using model chemistry: HSEh1PBE/3-21G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at HSEh1PBE/3-21G*
 hartrees
Energy at 0K-545.637523
Energy at 298.15K-545.638438
HF Energy-545.637523
Nuclear repulsion energy106.234900
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 HSEh1PBE/3-21G*
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 1161 1114 24.36 16.65 0.21 0.35
2 A1 517 496 37.49 3.63 0.74 0.85
3 B2 1385 1330 120.15 8.21 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1531.4 cm-1
Scaled (by 0.9599) Zero Point Vibrational Energy (zpe) 1470.0 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 HSEh1PBE/3-21G*
ABC
1.92315 0.33273 0.28365

See section I.F.4 to change rotational constant units
Geometric Data calculated at HSEh1PBE/3-21G*

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.370
O2 0.000 1.258 -0.370
O3 0.000 -1.258 -0.370

Atom - Atom Distances (Å)
  S1 O2 O3
S11.46011.4601
O21.46012.5170
O31.46012.5170

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 119.062
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HSEh1PBE/3-21G* Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 0.783      
2 O -0.392      
3 O -0.392      


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 1.764 1.764
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -20.276 0.000 0.000
y 0.000 -26.803 0.000
z 0.000 0.000 -22.124
Traceless
 xyz
x 4.188 0.000 0.000
y 0.000 -5.604 0.000
z 0.000 0.000 1.416
Polar
3z2-r22.831
x2-y26.528
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.571 0.000 0.000
y 0.000 3.752 0.000
z 0.000 0.000 1.895


<r2> (average value of r2) Å2
<r2> 44.134
(<r2>)1/2 6.643