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

using model chemistry: HF/SDD

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 HF/SDD
 hartrees
Energy at 0K-149.589573
Energy at 298.15K-149.589571
HF Energy-149.589573
Nuclear repulsion energy28.055196
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 HF/SDD
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 1767 1591 0.00 79.08 0.34 0.51

Unscaled Zero Point Vibrational Energy (zpe) 883.4 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 795.4 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 HF/SDD
B
1.44647

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

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
O11.2072
O21.2072

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 HF/SDD 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 -9.968 0.000 0.000
y 0.000 -9.968 0.000
z 0.000 0.000 -11.198
Traceless
 xyz
x 0.615 0.000 0.000
y 0.000 0.615 0.000
z 0.000 0.000 -1.230
Polar
3z2-r2-2.460
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 0.378 0.000 0.000
y 0.000 0.378 0.000
z 0.000 0.000 2.617


<r2> (average value of r2) Å2
<r2> 12.311
(<r2>)1/2 3.509

State 2 (1Δg)

Jump to S1C1
Energy calculated at HF/SDD
 hartrees
Energy at 0K-149.504782
Energy at 298.15K-149.504780
HF Energy-149.504782
Nuclear repulsion energy28.125930
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 HF/SDD
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 1768 1592 0.00      

Unscaled Zero Point Vibrational Energy (zpe) 883.8 cm-1
Scaled (by 0.9004) Zero Point Vibrational Energy (zpe) 795.8 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 HF/SDD
B
1.45377

See section I.F.4 to change rotational constant units
Geometric Data calculated at HF/SDD

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
O11.2041
O21.2041

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 HF/SDD 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 -10.773 0.000 0.000
y 0.000 -9.225 0.000
z 0.000 0.000 -11.280
Traceless
 xyz
x -0.520 0.000 0.000
y 0.000 1.801 0.000
z 0.000 0.000 -1.281
Polar
3z2-r2-2.562
x2-y2-1.547
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 0.230 0.000 0.000
y 0.000 0.431 0.000
z 0.000 0.000 2.051


<r2> (average value of r2) Å2
<r2> 12.312
(<r2>)1/2 3.509