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

using model chemistry: HF/6-31G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes D*H 3Σg
2 1 yes D*H 1Δg

State 1 (3Σg)

Jump to S2C1
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-149.545838
Energy at 298.15K-149.545836
HF Energy-149.545838
Nuclear repulsion energy28.344963
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 HF/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 1769 1598 0.00 57.48 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 884.7 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 798.8 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 HF/6-31G
B
1.47650

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.597
O2 0.000 0.000 -0.597

Atom - Atom Distances (Å)
  O1 O2
O11.1948
O21.1948

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/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 0.000 0.000 0.000 0.000
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.953 0.000 0.000
y 0.000 -9.953 0.000
z 0.000 0.000 -11.219
Traceless
 xyz
x 0.633 0.000 0.000
y 0.000 0.633 0.000
z 0.000 0.000 -1.266
Polar
3z2-r2-2.532
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 0.380 0.000 0.000
y 0.000 0.380 0.000
z 0.000 0.000 2.382


<r2> (average value of r2) Å2
<r2> 12.191
(<r2>)1/2 3.492

State 2 (1Δg)

Jump to S1C1
Energy calculated at HF/6-31G
 hartrees
Energy at 0K-149.461725
Energy at 298.15K-149.461723
HF Energy-149.461725
Nuclear repulsion energy28.380265
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 HF/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 1763 1592 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 881.4 cm-1
Scaled (by 0.9029) Zero Point Vibrational Energy (zpe) 795.8 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 HF/6-31G
B
1.48018

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

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.597
O2 0.000 0.000 -0.597

Atom - Atom Distances (Å)
  O1 O2
O11.1933
O21.1933

picture of Oxygen diatomic state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at HF/6-31G Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 O 0.000      
2 O 0.000      


Electric dipole moments


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.205 0.000 0.000
y 0.000 -10.782 0.000
z 0.000 0.000 -11.269
Traceless
 xyz
x 1.821 0.000 0.000
y 0.000 -0.545 0.000
z 0.000 0.000 -1.275
Polar
3z2-r2-2.551
x2-y21.577
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.435 0.000 0.000
y 0.000 0.242 0.000
z 0.000 0.000 1.914


<r2> (average value of r2) Å2
<r2> 12.204
(<r2>)1/2 3.493