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All results from a given calculation for O2 (Oxygen diatomic)

using model chemistry: B2PLYP/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
Energy calculated at B2PLYP/6-31G
 hartrees
Energy at 0K-150.117406
Energy at 298.15K-150.117384
HF Energy-150.024619
Nuclear repulsion energy26.411374
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/6-31G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 Σg 1234 1234 0.00 3.71 0.37 0.54

Unscaled Zero Point Vibrational Energy (zpe) 617.2 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 617.2 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/6-31G
B
1.28193

See section I.F.4 to change rotational constant units
Geometric Data calculated at B2PLYP/6-31G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.641
O2 0.000 0.000 -0.641

Atom - Atom Distances (Å)
  O1 O2
O11.2823
O21.2823

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B2PLYP/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.000      
2 O 0.000      


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 -10.007 0.000 0.000
y 0.000 -10.007 0.000
z 0.000 0.000 -10.867
Traceless
 xyz
x 0.430 0.000 0.000
y 0.000 0.430 0.000
z 0.000 0.000 -0.860
Polar
3z2-r2-1.721
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 0.393 0.000 0.000
y 0.000 0.393 0.000
z 0.000 0.000 1.927


<r2> (average value of r2) Å2
<r2> 13.006
(<r2>)1/2 3.606