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All results from a given calculation for SeO2 (Selenium dioxide)

using model chemistry: mPW1PW91/aug-cc-pVTZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C2V 1A1
Energy calculated at mPW1PW91/aug-cc-pVTZ
 hartrees
Energy at 0K-2552.179888
Energy at 298.15K-2552.178957
HF Energy-2552.179888
Nuclear repulsion energy192.542908
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 mPW1PW91/aug-cc-pVTZ
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 1005 963 13.32      
2 A1 380 364 25.63      
3 B2 1044 1000 132.69      

Unscaled Zero Point Vibrational Energy (zpe) 1214.6 cm-1
Scaled (by 0.9581) Zero Point Vibrational Energy (zpe) 1163.7 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 mPW1PW91/aug-cc-pVTZ
ABC
0.97050 0.29281 0.22495

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVTZ

Point Group is C2v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
Se1 0.000 0.000 0.279
O2 0.000 1.342 -0.593
O3 0.000 -1.342 -0.593

Atom - Atom Distances (Å)
  Se1 O2 O3
Se11.60001.6000
O21.60002.6830
O31.60002.6830

picture of Selenium dioxide state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
O2 Se1 O3 113.953
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVTZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 Se 1.434      
2 O -0.717      
3 O -0.717      


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 2.791 2.791
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -25.747 0.000 0.000
y 0.000 -33.862 0.000
z 0.000 0.000 -28.494
Traceless
 xyz
x 5.431 0.000 0.000
y 0.000 -6.742 0.000
z 0.000 0.000 1.311
Polar
3z2-r22.622
x2-y28.115
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 3.438 0.000 0.000
y 0.000 6.271 0.000
z 0.000 0.000 4.271


<r2> (average value of r2) Å2
<r2> 55.410
(<r2>)1/2 7.444