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

using model chemistry: B1B95/cc-pVTZ

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/cc-pVTZ
 hartrees
Energy at 0K-150.337818
Energy at 298.15K-150.337816
HF Energy-150.337818
Nuclear repulsion energy28.366219
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/cc-pVTZ
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 1702 1629 0.00 16.21 0.30 0.46

Unscaled Zero Point Vibrational Energy (zpe) 850.8 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 814.3 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/cc-pVTZ
B
1.47872

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

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
O11.1939
O21.1939

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/cc-pVTZ 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 -9.841 0.000 0.000
y 0.000 -9.841 0.000
z 0.000 0.000 -10.369
Traceless
 xyz
x 0.264 0.000 0.000
y 0.000 0.264 0.000
z 0.000 0.000 -0.528
Polar
3z2-r2-1.056
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 0.698 0.000 0.000
y 0.000 0.698 0.000
z 0.000 0.000 1.967


<r2> (average value of r2) Å2
<r2> 11.958
(<r2>)1/2 3.458

State 2 (1Δg)

Jump to S1C1
Energy calculated at B1B95/cc-pVTZ
 hartrees
Energy at 0K-150.275707
Energy at 298.15K-150.275704
HF Energy-150.275707
Nuclear repulsion energy28.370538
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/cc-pVTZ
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 1692 1619 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 845.8 cm-1
Scaled (by 0.9571) Zero Point Vibrational Energy (zpe) 809.5 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 B1B95/cc-pVTZ
B
1.47917

See section I.F.4 to change rotational constant units
Geometric Data calculated at B1B95/cc-pVTZ

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
O11.1938
O21.1938

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/cc-pVTZ 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 -10.777 0.000 0.000
y 0.000 -9.008 0.000
z 0.000 0.000 -10.447
Traceless
 xyz
x -1.049 0.000 0.000
y 0.000 1.604 0.000
z 0.000 0.000 -0.554
Polar
3z2-r2-1.109
x2-y2-1.769
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.643 0.000 0.000
y 0.000 0.719 0.000
z 0.000 0.000 1.785


<r2> (average value of r2) Å2
<r2> 11.994
(<r2>)1/2 3.463