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

using model chemistry: ROHF/CEP-121G

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 ROHF/CEP-121G
 hartrees
Energy at 0K-31.231184
Energy at 298.15K-31.231182
HF Energy-31.231184
Nuclear repulsion energy15.686838
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 ROHF/CEP-121G
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 1813 1647 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 906.4 cm-1
Scaled (by 0.9085) Zero Point Vibrational Energy (zpe) 823.5 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 ROHF/CEP-121G
B
1.42925

See section I.F.4 to change rotational constant units
Geometric Data calculated at ROHF/CEP-121G

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.607
O2 0.000 0.000 -0.607

Atom - Atom Distances (Å)
  O1 O2
O11.2144
O21.2144

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at ROHF/CEP-121G 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 -11.194
Traceless
 xyz
x 0.593 0.000 0.000
y 0.000 0.593 0.000
z 0.000 0.000 -1.187
Polar
3z2-r2-2.373
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 0.000 0.000 0.000
y 0.000 0.000 0.000
z 0.000 0.000 0.000


<r2> (average value of r2) Å2
<r2> 10.922
(<r2>)1/2 3.305