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All results from a given calculation for CO (Carbon monoxide)

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

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes C*V 1Σ
2 1 yes C*V 3Π

State 1 (1Σ)

Jump to S2C1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-113.293979
Energy at 298.15K-113.292727
HF Energy-113.293979
Nuclear repulsion energy22.078798
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 BLYP/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 Σ 2106 2089 53.38      

Unscaled Zero Point Vibrational Energy (zpe) 1052.8 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 1044.7 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 BLYP/6-31G**
B
1.85771

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.657
O2 0.000 0.000 0.493

Atom - Atom Distances (Å)
  C1 O2
C11.1504
O21.1504

picture of Carbon monoxide state 1 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.151      
2 O -0.151      


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 0.145 0.145
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.894 0.000 0.000
y 0.000 -9.894 0.000
z 0.000 0.000 -11.939
Traceless
 xyz
x 1.023 0.000 0.000
y 0.000 1.023 0.000
z 0.000 0.000 -2.045
Polar
3z2-r2-4.090
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 1.196 0.000 0.000
y 0.000 1.196 0.000
z 0.000 0.000 1.911


<r2> (average value of r2) Å2
<r2> 11.143
(<r2>)1/2 3.338

State 2 (3Π)

Jump to S1C1
Energy calculated at BLYP/6-31G**
 hartrees
Energy at 0K-113.083245
Energy at 298.15K-113.081989
HF Energy-113.083245
Nuclear repulsion energy20.619872
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 BLYP/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 Σ 1697 1684 2.84      

Unscaled Zero Point Vibrational Energy (zpe) 848.4 cm-1
Scaled (by 0.9923) Zero Point Vibrational Energy (zpe) 841.9 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 BLYP/6-31G**
B
1.62032

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

Point Group is C∞v

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.000 -0.704
O2 0.000 0.000 0.528

Atom - Atom Distances (Å)
  C1 O2
C11.2318
O21.2318

picture of Carbon monoxide state 2 conformation 1
More geometry information
Electronic energy levels

Electronic state

Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at BLYP/6-31G** Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.226      
2 O -0.226      


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 -1.212 1.212
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -9.781 0.000 0.000
y 0.000 -11.259 0.000
z 0.000 0.000 -9.749
Traceless
 xyz
x 0.723 0.000 0.000
y 0.000 -1.494 0.000
z 0.000 0.000 0.771
Polar
3z2-r21.542
x2-y21.478
xy0.000
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 1.237 0.000 0.000
y 0.000 1.553 0.000
z 0.000 0.000 2.411


<r2> (average value of r2) Å2
<r2> 11.613
(<r2>)1/2 3.408