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

using model chemistry: PBEPBE/LANL2DZ

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 PBEPBE/LANL2DZ
 hartrees
Energy at 0K-150.177880
Energy at 298.15K-150.177867
HF Energy-150.177880
Nuclear repulsion energy26.311401
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 PBEPBE/LANL2DZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 Σg 1365 1365 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 682.6 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 682.6 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 PBEPBE/LANL2DZ
B
1.27224

See section I.F.4 to change rotational constant units
Geometric Data calculated at PBEPBE/LANL2DZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.644
O2 0.000 0.000 -0.644

Atom - Atom Distances (Å)
  O1 O2
O11.2872
O21.2872

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at PBEPBE/LANL2DZ 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 -9.972 0.000 0.000
y 0.000 -9.972 0.000
z 0.000 0.000 -10.809
Traceless
 xyz
x 0.418 0.000 0.000
y 0.000 0.418 0.000
z 0.000 0.000 -0.837
Polar
3z2-r2-1.673
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 2.106


<r2> (average value of r2) Å2
<r2> 13.030
(<r2>)1/2 3.610