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

using model chemistry: B3PW91/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 B3PW91/cc-pVTZ
 hartrees
Energy at 0K-150.321814
Energy at 298.15K-150.321811
HF Energy-150.321814
Nuclear repulsion energy28.245419
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/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 1671 1607 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 835.5 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 803.4 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 B3PW91/cc-pVTZ
B
1.46615

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.600
O2 0.000 0.000 -0.600

Atom - Atom Distances (Å)
  O1 O2
O11.1990
O21.1990

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/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 -9.863 0.000 0.000
y 0.000 -9.863 0.000
z 0.000 0.000 -10.387
Traceless
 xyz
x 0.262 0.000 0.000
y 0.000 0.262 0.000
z 0.000 0.000 -0.523
Polar
3z2-r2-1.047
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 0.702 0.000 0.000
y 0.000 0.702 0.000
z 0.000 0.000 1.985


<r2> (average value of r2) Å2
<r2> 12.020
(<r2>)1/2 3.467

State 2 (1Δg)

Jump to S1C1
Energy calculated at B3PW91/cc-pVTZ
 hartrees
Energy at 0K-150.258104
Energy at 298.15K-150.258100
HF Energy-150.258104
Nuclear repulsion energy28.227992
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/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 1656 1592 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 827.9 cm-1
Scaled (by 0.9616) Zero Point Vibrational Energy (zpe) 796.1 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 B3PW91/cc-pVTZ
B
1.46434

See section I.F.4 to change rotational constant units
Geometric Data calculated at B3PW91/cc-pVTZ

Point Group is D∞h

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.000 0.000 0.600
O2 0.000 0.000 -0.600

Atom - Atom Distances (Å)
  O1 O2
O11.1998
O21.1998

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/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 -10.814 0.000 0.000
y 0.000 -9.020 0.000
z 0.000 0.000 -10.463
Traceless
 xyz
x -1.072 0.000 0.000
y 0.000 1.618 0.000
z 0.000 0.000 -0.546
Polar
3z2-r2-1.093
x2-y2-1.793
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.646 0.000 0.000
y 0.000 0.725 0.000
z 0.000 0.000 1.797


<r2> (average value of r2) Å2
<r2> 12.066
(<r2>)1/2 3.474