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

using model chemistry: B3PW91/6-31G*

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 B3PW91/6-31G*
 hartrees
Energy at 0K-150.262541
Energy at 298.15K-150.262538
HF Energy-150.262541
Nuclear repulsion energy28.037199
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 B3PW91/6-31G*
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 1698 1624 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 848.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 812.2 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 B3PW91/6-31G*
B
1.44461

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.604
O2 0.000 0.000 -0.604

Atom - Atom Distances (Å)
  O1 O2
O11.2079
O21.2079

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 B3PW91/6-31G* 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 0.000 0.000 0.000 0.000


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.795 0.000 0.000
y 0.000 -9.795 0.000
z 0.000 0.000 -10.244
Traceless
 xyz
x 0.225 0.000 0.000
y 0.000 0.225 0.000
z 0.000 0.000 -0.449
Polar
3z2-r2-0.898
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 0.630 0.000 0.000
y 0.000 0.630 0.000
z 0.000 0.000 1.844


<r2> (average value of r2) Å2
<r2> 12.048
(<r2>)1/2 3.471

State 2 (1Δg)

Jump to S1C1
Energy calculated at B3PW91/6-31G*
 hartrees
Energy at 0K-150.197992
Energy at 298.15K-150.197989
HF Energy-150.197992
Nuclear repulsion energy27.997276
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 B3PW91/6-31G*
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 1680 1607 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 839.9 cm-1
Scaled (by 0.9567) Zero Point Vibrational Energy (zpe) 803.6 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 B3PW91/6-31G*
B
1.44050

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/6-31G*

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.605
O2 0.000 0.000 -0.605

Atom - Atom Distances (Å)
  O1 O2
O11.2097
O21.2097

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 B3PW91/6-31G* 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 -8.961 0.000 0.000
y 0.000 -10.708 0.000
z 0.000 0.000 -10.282
Traceless
 xyz
x 1.535 0.000 0.000
y 0.000 -1.087 0.000
z 0.000 0.000 -0.448
Polar
3z2-r2-0.895
x2-y21.748
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.661 0.000 0.000
y 0.000 0.564 0.000
z 0.000 0.000 1.677


<r2> (average value of r2) Å2
<r2> 12.089
(<r2>)1/2 3.477