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All results from a given calculation for SO3 (Sulfur trioxide)

using model chemistry: PBEPBEultrafine/daug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D3H 1A1'
Energy calculated at PBEPBEultrafine/daug-cc-pVDZ
 hartrees
Energy at 0K-623.437192
Energy at 298.15K-623.439030
HF Energy-623.437192
Nuclear repulsion energy175.959875
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 PBEPBEultrafine/daug-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' 945 945 0.00 45.58 0.05 0.10
2 A2" 432 432 20.30 0.00 0.75 0.86
3 E' 1245 1245 154.11 7.50 0.75 0.86
3 E' 1245 1245 154.09 7.51 0.75 0.86
4 E' 447 447 18.38 2.87 0.75 0.86
4 E' 447 447 18.38 2.87 0.75 0.86

Unscaled Zero Point Vibrational Energy (zpe) 2380.7 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2380.7 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 PBEPBEultrafine/daug-cc-pVDZ
ABC
0.31725 0.31725 0.15862

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

Point Group is D3h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
S1 0.000 0.000 0.000
O2 0.000 1.488 0.000
O3 1.289 -0.744 0.000
O4 -1.289 -0.744 0.000

Atom - Atom Distances (Å)
  S1 O2 O3 O4
S11.48821.48821.4882
O21.48822.57762.5776
O31.48822.57762.5776
O41.48822.57762.5776

picture of Sulfur trioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 S1 O3 120.000 O2 S1 O4 120.000
O3 S1 O4 120.000
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBEultrafine/daug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 S 2.411      
2 O -0.804      
3 O -0.804      
4 O -0.804      


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 0.000 0.000
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -31.423 0.000 0.000
y 0.000 -31.423 0.000
z 0.000 0.000 -25.910
Traceless
 xyz
x -2.757 0.000 0.000
y 0.000 -2.757 0.000
z 0.000 0.000 5.513
Polar
3z2-r211.026
x2-y20.000
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 5.609 0.000 0.000
y 0.000 5.609 0.000
z 0.000 0.000 3.285


<r2> (average value of r2) Å2
<r2> 71.633
(<r2>)1/2 8.464