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

using model chemistry: B1B95/6-31G**

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 B1B95/6-31G**
 hartrees
Energy at 0K-150.279182
Energy at 298.15K-150.279180
HF Energy-150.279182
Nuclear repulsion energy28.159562
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 B1B95/6-31G**
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 1729 1651 0.00 14.29 0.30 0.47

Unscaled Zero Point Vibrational Energy (zpe) 864.5 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 825.4 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 B1B95/6-31G**
B
1.45725

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.601
O2 0.000 0.000 -0.601

Atom - Atom Distances (Å)
  O1 O2
O11.2027
O21.2027

picture of Oxygen diatomic state 1 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** 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 -9.779 0.000 0.000
y 0.000 -9.779 0.000
z 0.000 0.000 -10.232
Traceless
 xyz
x 0.226 0.000 0.000
y 0.000 0.226 0.000
z 0.000 0.000 -0.453
Polar
3z2-r2-0.906
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 0.626 0.000 0.000
y 0.000 0.626 0.000
z 0.000 0.000 1.828


<r2> (average value of r2) Å2
<r2> 11.988
(<r2>)1/2 3.462

State 2 (1Δg)

Jump to S1C1
Energy calculated at B1B95/6-31G**
 hartrees
Energy at 0K-150.215925
Energy at 298.15K-150.215922
HF Energy-150.215925
Nuclear repulsion energy28.142081
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 B1B95/6-31G**
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 1716 1638 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 857.9 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 819.1 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 B1B95/6-31G**
B
1.45544

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/6-31G**

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.602
O2 0.000 0.000 -0.602

Atom - Atom Distances (Å)
  O1 O2
O11.2034
O21.2034

picture of Oxygen diatomic state 2 conformation 1
More geometry information
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at B1B95/6-31G** 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 -10.682 0.000 0.000
y 0.000 -8.952 0.000
z 0.000 0.000 -10.272
Traceless
 xyz
x -1.070 0.000 0.000
y 0.000 1.525 0.000
z 0.000 0.000 -0.455
Polar
3z2-r2-0.911
x2-y2-1.730
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.562 0.000 0.000
y 0.000 0.657 0.000
z 0.000 0.000 1.664


<r2> (average value of r2) Å2
<r2> 12.019
(<r2>)1/2 3.467