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

using model chemistry: B2PLYP/aug-cc-pV(T+d)Z

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/aug-cc-pV(T+d)Z
 hartrees
Energy at 0K-548.506932
Energy at 298.15K 
HF Energy-548.279770
Nuclear repulsion energy107.348834
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/aug-cc-pV(T+d)Z
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 1135 1135 23.55 38.77 0.13 0.24
2 A1 509 509 26.85 2.43 0.60 0.75
3 B2 1343 1343 184.49 10.12 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 1493.3 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 1493.3 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/aug-cc-pV(T+d)Z
ABC
1.97585 0.33914 0.28945

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/aug-cc-pV(T+d)Z

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.365
O2 0.000 1.247 -0.365
O3 0.000 -1.247 -0.365

Atom - Atom Distances (Å)
  S1 O2 O3
S11.44481.4448
O21.44482.4931
O31.44482.4931

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 119.261
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/aug-cc-pV(T+d)Z Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 1.030      
2 O -0.515      
3 O -0.515      


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 1.645 1.645
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -21.125 0.000 0.000
y 0.000 -27.011 0.000
z 0.000 0.000 -23.019
Traceless
 xyz
x 3.891 0.000 0.000
y 0.000 -4.939 0.000
z 0.000 0.000 1.049
Polar
3z2-r22.098
x2-y25.887
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.901 0.000 0.000
y 0.000 5.136 0.000
z 0.000 0.000 3.461


<r2> (average value of r2) Å2
<r2> 43.944
(<r2>)1/2 6.629