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

using model chemistry: mPW1PW91/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 mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-150.340484
Energy at 298.15K-150.340482
HF Energy-150.340484
Nuclear repulsion energy28.363688
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 mPW1PW91/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 1704 1634 0.00 16.64 0.30 0.46

Unscaled Zero Point Vibrational Energy (zpe) 851.8 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 817.1 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 mPW1PW91/cc-pVTZ
B
1.47845

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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
O11.1940
O21.1940

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 mPW1PW91/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 -9.848 0.000 0.000
y 0.000 -9.848 0.000
z 0.000 0.000 -10.375
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 0.701 0.000 0.000
y 0.000 0.701 0.000
z 0.000 0.000 1.981


<r2> (average value of r2) Å2
<r2> 11.963
(<r2>)1/2 3.459

State 2 (1Δg)

Jump to S1C1
Energy calculated at mPW1PW91/cc-pVTZ
 hartrees
Energy at 0K-150.275262
Energy at 298.15K-150.275260
HF Energy-150.275262
Nuclear repulsion energy28.349929
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 mPW1PW91/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 1690 1621 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 844.9 cm-1
Scaled (by 0.9592) Zero Point Vibrational Energy (zpe) 810.4 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 mPW1PW91/cc-pVTZ
B
1.47702

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/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
O11.1946
O21.1946

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 mPW1PW91/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 -10.792 0.000 0.000
y 0.000 -9.010 0.000
z 0.000 0.000 -10.454
Traceless
 xyz
x -1.060 0.000 0.000
y 0.000 1.612 0.000
z 0.000 0.000 -0.552
Polar
3z2-r2-1.105
x2-y2-1.781
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.645 0.000 0.000
y 0.000 0.722 0.000
z 0.000 0.000 1.788


<r2> (average value of r2) Å2
<r2> 12.008
(<r2>)1/2 3.465